Update other GUI via BackgroundWorker thread?

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- Previous
  - 1
    - Insert key How can I put a textbox in overtype mode? Using the insert key on a webform works fine, but it does not do anything on a winform textbox. -- Arne Garvander Certified Geek Professional Data Dude Tag: Update other GUI via BackgroundWorker thread? Tag: 116239
  - 2
    - Numeric textbox How can a write a filter for a textbox that only accepts numeric input? I tried the maskedTextBox, but i did not like it. -- Arne Garvander Certified Geek Professional Data Dude Tag: Update other GUI via BackgroundWorker thread? Tag: 116238
  - 3
    - Need advice on a similar control to tablelayoutpanel! Hello There, I'm looking for a control exactly like TableLayoutPanel but it needs to support resizing cells by mouse on run-time (It's so sad that this control supports this feature in design-time but not in run-time). Does anybody know any enhanced TableLayoutPanel control or a third party similar control? Thanks, Özden Tag: Update other GUI via BackgroundWorker thread? Tag: 116234
  - 4
    - .NET Mass Downloader Version 1.2 Released We have improved the proxy support and added more samples of usage for 2005 , 2008 and Visual Studio Express Editions. You can get your copy from http://www.codeplex.com/netmassdownloader .NET Mass Downloader Welcome to the .NET Mass Downloader project. While it's great that Microsoft has released the .NET Reference Source Code, you can only get it one file at a time while you're debugging. If you'd like to batch download it for reading or to populate the cache, you'd have to write a program that instantiated and called each method in the Framework Class Library. Fortunately, .NET Mass Downloader comes to the rescue! Using .NET Mass Downloader Open a command or PowerShell prompt and navigate to where you extracted the current release. The tool itself is NetMassDownloader.exe and when run without parameters shows the following help screen: .Net Mass Downloader 1.0.0.0 - (c) 2008 by Kerem Kusmezer, John Robbins Batch download the Microsoft .NET Reference Source code. Usage: NetMassDownloader [-file <file>] [-directory <directory] [-output <directory>] [-vsver <version>] [-force] [-nologo] [-verbose] [-?] -file - Download an individual file's PDB and source code. You can specify multiple file parameters. (Short -f). -directory - Download all the found PDB and source code for all files in the specified directory. You can specify multiple directory parameters (Short -d). -output - The output directory for PDB and source files. The default directory is the cache directory set in Visual Studio 2008. By using the cache directory, you'll have the PDB and source files available to Visual Studio 2008. However, to use the .NET Reference Source Code with VS 2005, use the - output switch and in the Options dialog, Debugging, Symbols property page, add the specified output directory to the "Symbol file (.pdb) locations." Also, add the directory to the Solution Properties, Common Properties, Debug Source Files, Directories containing source code location. The Visual Studio 2005 debugger will automatically load the source code. (Short -o) -vsver - The Visual Studio version number to use for finding the cache directory. The default is Visual Studio 2008, but if you want to use the cache directory for Visual Studio 2005, you would pass '-vsver 8.0' (without quotes) (Short -vs) -force - If specified, forces the downloading the PDB files into the symbol server. When downloading to a symbol server if the PDB exists, it's not downloaded. Using the -output switch will always download and process the PDB. (Short -fo) -nologo - Don't show the logo information. (Short -n) -verbose - Do verbose output. May be worth turning on as the downloading source code can take a long time. (Short -v) -? - This help message. The only required arguments are -file or -directory, both of which can be specified as many times as you'd like. When you specify a directory, only the .DLL and .EXE files from that directory will be processed. If you wanted to download all the source code from binaries in the .NET 2.0 32-bit and 64-bit directories, the command line you'd pass is: -d C:\Windows\Microsoft.NET\Framework\v2.0.50727 -d C:\Windows \Microsoft.NET\Framework64\v2.0.50727. The main purpose of Net Mass Downloader is to populate the source code download cache for debugging, the default download location is the cache you specified to Visual Studio 2008. The -vsver switch to account for future Visual Studio versions so Mass Downloader could work with future CTPs and versions. While it's great to see the .NET Reference Source Code in Visual Studio 2008, there are a lot of developers out there who can't upgrade yet, but would love to be able to debug into the .NET Reference Source Code. If you specify the -output parameter, the PDB and .NET Reference Source Code will be written to the specified directory. In Visual Studio 2005, place that directory in the Options dialog, Debugging, Symbols property page. In the "Symbol file (.pdb) locations" list box as the first item. Also in the Options dialog, Debugging, General property page, uncheck "Require source files to exactly match the original version." Finally, in each Visual Studio 2005 project go into the solution property pages, Common Properties, Debugging Source Files, and in the "Directories containing source code" add the output directory to the top of the list. That's enough for Visual Studio 2005 to debug into the .NET Reference Source Code. When you first run Net Mass Downloader, you will be prompted with the current EULA for accessing the source code. If you don't agree with the Microsoft EULA, clicking the Decline button will not download the source code. The code download includes a detailed documentation about whole steps required to use it with VS2005 If none of the files can be downloaded please download and install the rtm version of the RTM Version of the .NET Framework 3.5 According to the Shawns Blog The Following Dll Are Enabled For Now: Mscorlib.DLL System.DLL System.Data.DLL System.Drawing.DLL System.Web.DLL System.Web.Extensions.DLL System.Windows.Forms.DLL System.XML.DLL WPF (UIAutomation.dll, System.Windows.DLL, System.Printing.DLL, System.Speech.DLL, WindowsBase.DLL, WindowsFormsIntegration.DLL, Presentation.dll, some others) Microsoft.VisualBasic.DLL But our framework supports additional versions without update if microsoft doesn't change the download engine. The original framework anouncement can be found here: Shawns Announcement Acknowledgements Thanks to the Developer Division at Microsoft. First they released the .NET Reference Source Code, and second for allowing a couple of developers to have some fun and provide a utility for the community. Thank you for using .NET Mass Downloader. We just ask that you log any bugs and features into the project Issue Tracker. Contact Information You can reach us via the discussions or you can directly mail me at keremskusmezer@gmail.com Development Details If you have questions about particular pieces of the code, Kerem Kusmezer did the following parts: the PE (Portable Executable) Parser, the PDB Parser, the Webclient Class. and the SrcSrv class. John Robbins did the console driver, testing, and served as Kerem's code monkey. Tag: Update other GUI via BackgroundWorker thread? Tag: 116233
  - 5
    - Invisible MessageBox? On grid DoubleClick I call MessageBox.Show to display some information. The instruction will be executed but the dialog box is nowhere on the screen!!. The main application is now disabled, pressing ESC "closes" invisible dialog box and focus returns to the application. I added a button and on Click I do what DoubleClick should and all is OK. How the hell MessageBox can be invisible or outside the screen? MH Tag: Update other GUI via BackgroundWorker thread? Tag: 116232
  - 6
    - Dynamic Menus + Click Event Hello, I am trying to create a contextmenustrip with drop downs dynamically. I have everything visually working. Each menu appears across the screen as well as each of their corresponding sub (drop down) menus. My problems has become that I need to put some sort of onclick event on these drop down items so that they actually do something. I can't for the life of me figure out how to do this. Any advice? Please help ! I have posted my code below. Private fruitContextMenuStrip(30) As ContextMenuStrip Private fruitToolStripDropDownButton(30) As ToolStripDropDownButton Private Sub Form3_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load 'TODO: This line of code loads data into the 'DataSet11.tblProcessStepType' table. You can move, or remove it, as needed. Me.TblProcessStepTypeTableAdapter.Fill(Me.DataSet11.tblProcessStepType) 'TODO: This line of code loads data into the 'DataSet11.tblProcessStep' table. You can move, or remove it, as needed. Me.TblProcessStepTableAdapter.Fill(Me.DataSet11.tblProcessStep) ' This code example demonstrates how to handle the Opening event. ' It also demonstrates dynamic item addition and dynamic ' SourceControl determination with reuse. Dim strMenu1(30) As String Dim i As Integer Dim dr As DataRow Dim dr2 As DataRow For Each dr In Me.DataSet11.tblProcessStep.Rows dr2 = Me.DataSet11.Tables.Item("tblProcessStep").Rows(i) strMenu1(i) = dr2("ProcessStep") i = i + 1 Next For i = 0 To UBound(strMenu1) If strMenu1(i) <> "" Then fruitContextMenuStrip(i) = New ContextMenuStrip() End If Next ' Create a new ContextMenuStrip control. 'fruitContextMenuStrip = New ContextMenuStrip() ' Attach an event handler for the ' ContextMenuStrip control's Opening event. For i = 0 To UBound(strMenu1) If strMenu1(i) <> "" Then AddHandler fruitContextMenuStrip(i).Opening, AddressOf cms_Opening End If Next ' Create a new ToolStrip control. Dim ts As New ToolStrip() ' Create a ToolStripDropDownButton control and add it ' to the ToolStrip control's Items collections. For i = 0 To UBound(strMenu1) If strMenu1(i) <> "" Then fruitToolStripDropDownButton(i) = New ToolStripDropDownButton(strMenu1(i), Nothing, Nothing, strMenu1(i)) End If Next For i = 0 To UBound(strMenu1) If strMenu1(i) <> "" Then ts.Items.Add(fruitToolStripDropDownButton(i)) End If Next ' Dock the ToolStrip control to the top of the form. ts.Dock = DockStyle.Top ' Assign the ContextMenuStrip control as the ' ToolStripDropDownButton control's DropDown menu. For i = 0 To UBound(strMenu1) If strMenu1(i) <> "" Then fruitToolStripDropDownButton(i).DropDown = fruitContextMenuStrip(i) End If Next ' Add the ToolStrip control to the Controls collection. Me.Controls.Add(ts) End Sub Sub cms_Opening(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Dim strMenu(2, 30) As String Dim strMenu2(2, 30) As String Dim i As Integer Dim j As Integer Dim dr As DataRow Dim dr2 As DataRow i = 0 For Each dr In Me.DataSet11.tblProcessStep.Rows dr2 = Me.DataSet11.Tables.Item("tblProcessStep").Rows(i) strMenu(0, i) = dr2("ProcessStep") strMenu(1, i) = dr2("P_ProcessStepID") i = i + 1 Next i = 0 For Each dr In Me.DataSet11.tblProcessStepType.Rows dr2 = Me.DataSet11.Tables.Item("tblProcessStepType").Rows(i) strMenu2(0, i) = dr2("ProcessStepType") strMenu2(1, i) = dr2("F_ProcessStepID") i = i + 1 Next For i = 0 To UBound(strMenu, 2) If strMenu(0, i) <> "" Then ' Acquire references to the owning control and item. Dim c As Control = fruitContextMenuStrip(i).SourceControl Dim tsi As ToolStripDropDownItem = fruitContextMenuStrip(i).OwnerItem ' Clear the ContextMenuStrip control's ' Items collection. fruitContextMenuStrip(i).Items.Clear() ' Populate the ContextMenuStrip control with its default items. For j = 0 To UBound(strMenu2, 2) If strMenu(1, i) = strMenu2(1, j) Then fruitContextMenuStrip(i).Items.Add(strMenu2(0, j)) End If Next End If Next ' Set Cancel to false. ' It is optimized to true based on empty entry. e.Cancel = False End Sub Tag: Update other GUI via BackgroundWorker thread? Tag: 116229
  - 7
    - MDI Parent Child Maximize form issue Hi, I have a situation where I have a MDI Parent form that contains a menuStrip control at the top. When I launch a Child Form I specify: frmChild.WindowState = FormWindowState.Maximized; The problem is that the maximize/minimize buttons on the Child Form appear above the MDI Parent's menuStrip...not below it where I would expect it. Is there a setting that I can set to maximize the Child Form in the space below the menuStrip? Thanks! Ron Tag: Update other GUI via BackgroundWorker thread? Tag: 116226
  - 8
    - Relative path that works in development and after deployment I was wondering if somebody could show me on how to use relative path in windows application that will work during DEVELOPMENT as well as after DEPLOYMENT. In short, here's my situation. During development the files in my project are located as follows: MyProject\bin\Release\MyApplication.exe MyProject\Settings\MyXMLFile.xml During development I use this syntax to load to MyXMLFile.xml from the .exe: xmlDocument.Load(@"..\..\Settings\MyXMLFile.xml"); Everything was fine until after I deployed the project whereas the file location now changed to: C:\Program Files\MyProject\MyApplication.exe C:\Program Files\MyProject\Settings\MyXMLFile.xml Now I started to get an error message stating that file 'C:\Settings\MyXMLFile.xml doesn't exist'. Please keep in mind these limitations: 1. I do not want to hard-code the relative path in app.config, I just want to use relative path. 2. I cannot use resource file because I need to change the MyXMLFile.xml during runtime. 3. Basically what I need is the relative path that can point to the project folder instead of the .exe, much like ~ sign to point to application root folder in web application. Thanks, P_Prdn Tag: Update other GUI via BackgroundWorker thread? Tag: 116224
  - 9
    - Fast control for bus monitor I am writing a bus monitor / protocol analyzer using VS 2005 C++/CLI. Currently I am using a RichTextBox to display the messages. I am adding each message with AppendText. This seems to be very slow; the RichTextBox cannot keep up with the speed at which the messages come in. Is there a faster way to append new strings to the RichTextBox? Alternatively is there a better control to use? The ListView seems to update a little quicker but does not scroll as smoothly as the messages are added. TIA, KK Tag: Update other GUI via BackgroundWorker thread? Tag: 116222
  - 10
    - NumericUpDown ValueChanged not firing - scrollwheel+shift key pres Hello, really hope you guys can help. I'm using a standard NumericUpDown control on a form, and trying to change the increment depending if a Control.ModifierKeys is pressed when the mouse scrollwheel is moved. Default increment is 0.5 When Keys.Control is pressed and I roll the mousewheel, the increment is adjusted to 5 and the ValueChanged event firest. Great. But when Keys.Shift is pressed and I roll the mousewheel, the increment is adjust to 1 BUT ValueChanged does not fire, so the value in NumericUpDown doesn't get adjusted. Not so great. I'm really confused as to why Shift would not cause ValueChanged to fire. Here's the little bit of code : private System.Windows.Forms.NumericUpDown numPrice; this.numPrice = new System.Windows.Forms.NumericUpDown(); private void numPrice_MouseWheel(object sender, System.Windows.Forms.MouseEventArgs e) { //check it's capturing if (Control.ModifierKeys == Keys.Shift) { numPrice.Increment = 1; } else if (Control.ModifierKeys == Keys.Control) { numPrice.Increment = 5; } } I guess I can manually fire ValueChanged after Shift and bodge it in some way? Really starting to lose my mind over this... Tag: Update other GUI via BackgroundWorker thread? Tag: 116221
  - 11
    - problem with excel hi, i'm facing a strange problem.. In my requirement , I'm suppose to load the data from datagrid into excel file. make the required changes in the file and load the file back into the datagrid. i'm able to export to excel but after i make changes in the excel and load it into grid, my changes are not visible..i'm getting null values.. i've datetime columns,decimal columns in my file...The values are visible in the file but when i load into grid..i'm seeing blanks spaces.. has anyone encountered such problem.? How can load from excel to datagrid Tag: Update other GUI via BackgroundWorker thread? Tag: 116220
  - 12
    - TabControl stealing focus I have some code in the form that processes a change event for a textbox. It modifies a property of an object which causes a separate visible TabControl to rebuild the tab pages. The tabcontol is calling rebuilding the tab page collection for the new object generated based on the property change. The problem is when I remove or clear the tabs my textbox loses focus and the TabControl gets focus. Is there anyway I can prevent this? I tried filtering out WM_SetFocus messages while the tabs are being contructed but that doesn't seem to fix my problem. Thanks, Brian Tag: Update other GUI via BackgroundWorker thread? Tag: 116214
  - 13
    - Textbox overtype How can I put a textbox in override/overtype mode ? -- Arne Garvander Certified Geek Professional Data Dude Tag: Update other GUI via BackgroundWorker thread? Tag: 116211
  - 14
    - Users Picture Hi, I need to identify the pictures associated to the Users on a PC, like the ones you find on the start session screen where you have to pick the user for the session... I'd love to do that in C# and I already tryed these lines but unsuccessfully: public Image GetUserImage(){ String ImagePath=""; String TempPath = Environment.GetEnvironmentVariable("TEMP"); String UserName = Environment.GetEnvironmentVariable("USERNAME"); String AppPath = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData); if (Environment.OSVersion.Version.Major < 6){ ImagePath = String.Format("{0}\\{1}.bmp", TempPath, UserName); }else{ ImagePath = String.Format("{0}\\{1}.bmp", TempPath, UserName); } string userName = System.Environment.GetEnvironmentVariable("USERNAME"); string userLocal = System.Environment.GetEnvironmentVariable("USERPROFILE"); string userPicture = userLocal + "\\Local Settings\\Temp\\" + userName + ".bmp"; if (System.IO.File.Exists(userPicture)) {//ImagePath return Image.FromFile(String.Format("{0}\\{1}.bmp", TempPath, UserName)); } else{ return null; } } Regards, Stef Tag: Update other GUI via BackgroundWorker thread? Tag: 116210
  - 15
    - datagrid to excel Hi, I;ve a requirement wherein the need to export the data from grid to excel file using .net 1.1.. While I do the export to file, sfew columns in teh excel file should be locked, in the sense..use shouldn't be able to edit the values in those columns... is this possible thru C#? any samples Tag: Update other GUI via BackgroundWorker thread? Tag: 116209
  - 16
    - DragDrop from one dataGridView to another (C#) Hello, I have a form with two similar DataGridViews. They have identical fields. I want to drag multiple selected rows from one to the other. I have spent the evening looking for sample code for this with no success in finding a complete sample. I have tried for hours to work together incomplete samples to make one work for me without success. Could someone direct me to a working sample or provide one for me? It is not important where in the second dgv that the new rows are placed. It will start empty and be used like a shopping cart. Thank you very much, Douglas Tag: Update other GUI via BackgroundWorker thread? Tag: 116207
  - 17
    - What is the best way to display a bunch of text with links and Is it web browser control or richtextbox? This is for display only. Also I need to handle link clicks and perform custom actions based on that. Thank you! Tag: Update other GUI via BackgroundWorker thread? Tag: 116200
  - 18
    - DataGridView column autoresize hangs application I tried to use DisplayedCellsExceptHeader column resize mode in DataGridView. Clicking in column separator line causes application to stop responding. Grid reads all rows for unknown reason. How to implement column autorisize so that only displayed columns are used for autoresize ? Andrus. Steps to reproduce: 1. Run code below 2. Double click in grid header in separation line between columns 1 ja 2 Observed: CPU usage goes to 100% for a long time. using System; using System.Windows.Forms; using System.Collections.Generic; class test { [STAThreadAttribute()] public static void Main() { Application.Run(new VirtualModeForm()); } } class VirtualModeForm : Form { private List<DataObject> m_Data = new List<DataObject>(); private List<bool> m_Visited = new List<bool>(); DataGridView m_Grid = new DataGridView(); public VirtualModeForm() { Controls.Add(m_Grid); m_Grid.CellValueNeeded += OnCellValueNeeded; InitData(); InitGrid(); } private void InitData() { for (int i = 0; i < 1000001 + 1; i++) { m_Visited.Add(false); DataObject obj = new DataObject(); obj.Id = i; obj.Val = 2 * i; m_Data.Add(obj); } } private void InitGrid() { m_Grid.Dock = DockStyle.Fill; m_Grid.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.DisplayedCellsExceptHeader); m_Grid.VirtualMode = true; m_Grid.ReadOnly = true; m_Grid.ColumnCount = 3; m_Grid.Rows.Add(); m_Grid.Rows.AddCopies(0, 1000000); } private void OnCellValueNeeded(object sender, DataGridViewCellValueEventArgs e) { m_Visited[e.RowIndex] = true; if (e.ColumnIndex == 0) { e.Value = m_Data[e.RowIndex].Id; } else if (e.ColumnIndex == 1) { e.Value = m_Data[e.RowIndex].Val; } else if (e.ColumnIndex == 2) { Random rand = new Random(); e.Value = rand.Next(); } } } public class DataObject { private int m_Id; private int m_Val; public int Val { get { return m_Val; } set { m_Val = value; } } public int Id { get { return m_Id; } set { m_Id = value; } } } Tag: Update other GUI via BackgroundWorker thread? Tag: 116197
  - 19
    - WPF or Windows Forms Hi If I have a choice of WPF or Windows Form versions of a control which one should I purchase? Thanks Regards Tag: Update other GUI via BackgroundWorker thread? Tag: 116182
  - 20
    - NGen questions Hi 1. Has ngen been improved in vs2008 from previous versions? 2. How can I included ngen with setup file created by vs 2008 so the setup runs the ngen at target machine after installation? Thanks Regards Tag: Update other GUI via BackgroundWorker thread? Tag: 116179
  - 21
    - Opening a form hidden Hi I have searched for answer to this question on the net but surprisingly no clear answer has come up. How can I open a form hidden in vb.net? Thanks Regards Tag: Update other GUI via BackgroundWorker thread? Tag: 116165
  - 22
    - Reducing app start-up time Hi I am looking to reduce app loading time. My question is, if I use the splash screen feature from App Properties->Application->Splash Screen does it add to the app loading time and am I better of running the splash screen using the background worker? Thanks Regards Tag: Update other GUI via BackgroundWorker thread? Tag: 116161
  - 23
    - Initial opening speed Hi My vb.net seems to be slow on initial loading. My clients are not impressed as they had used the ms access version of the app previously and think that the old app is faster in loading. I understand .net apps need to compile themselves before execution. Is there any way I can speed up this process or in general do anything else to speed up initial loading of the vb.net app? Thanks Regards Tag: Update other GUI via BackgroundWorker thread? Tag: 116157
  - 24
    - Formatting PrintDocument This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C87491.D2C9CE60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Can someone post a link to more indepth samples of formatting a = PrintDocument. I've found some info for the ReportViewer, but not for = the PrintDocument. Specifically, I'm looking for a code example of how to underline text in = the middle of a document; how to draw a horizontal line and how to draw = a box around text. My guess is that I'm going about this all wrong. Below is a snippet of = how I'm setting up the page. Thanks, Ross dim line as string line =3D line & Microsoft.VisualBasic.Space(Col1) & = Microsoft.VisualBasic.UCase(RTrim(Me.CityStateZipTextBox.Text)) line =3D line & vbCrLf & vbCrLf & vbCrLf & vbCrLf & vbCrLf & vbCrLf Do While detCntr <=3D detCNT line =3D line & Me.ShippingLogDetailDataGridView.Rows(detCntr - = 1).Cells(4).Value line =3D line & Microsoft.VisualBasic.Space(13) Select Case RTrim(Me.ShippingLogDetailDataGridView.Rows(detCntr - = 1).Cells(1).Value.ToString) Case "F" line =3D line & "STAINLESS FITTINGS & FLANGES" & = Microsoft.VisualBasic.Space(36) Case "P", "T" line =3D line & "STAINLESS PIPE" & = Microsoft.VisualBasic.Space(50) Case "V" line =3D line & "STAINLESS VALVES" & = Microsoft.VisualBasic.Space(48) End Select detCntr =3D detCntr + 1 Loop line =3D line & Microsoft.VisualBasic.Space(Col1) & = Microsoft.VisualBasic.Space(15) & "Customer PO #: " & = Microsoft.VisualBasic.UCase(RTrim(Me.CustPOTextBox.Text)) & vbCrLf line =3D line & Microsoft.VisualBasic.Space(Col1) & = Microsoft.VisualBasic.Space(15) & "Tag #: " & = Microsoft.VisualBasic.UCase(RTrim(Me.CustomersCustomersPONOTextBox.Text))= & vbCrLf & vbCrLf yPos =3D topMargin + count * printFont.GetHeight(ev.Graphics) ev.Graphics.DrawString(line, printFont, Brushes.Black, leftMargin, yPos, = New StringFormat()) ------=_NextPart_000_0006_01C87491.D2C9CE60 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.6000.16608" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY> <DIV><FONT face=3DArial size=3D2>Can someone post a link to more indepth = samples of=20 formatting a PrintDocument.  I've found some info for the = ReportViewer, but=20 not for the PrintDocument.</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Specifically, I'm looking for a code = example of how=20 to underline text in the middle of a document; how to draw a horizontal = line and=20 how to draw a box around text.</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>My guess is that I'm going about this = all=20 wrong.  Below is a snippet of how I'm setting up the = page.</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Thanks,</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Ross</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>dim line as = string</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>line =3D line &=20 Microsoft.VisualBasic.Space(Col1) &=20 Microsoft.VisualBasic.UCase(RTrim(Me.CityStateZipTextBox.Text))</FONT></D= IV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>line =3D line & = vbCrLf & vbCrLf=20 & vbCrLf & vbCrLf & vbCrLf & vbCrLf</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>Do While detCntr = <=3D=20 detCNT</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2> line =3D line = &=20 Me.ShippingLogDetailDataGridView.Rows(detCntr - = 1).Cells(4).Value</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2> line =3D line = &=20 Microsoft.VisualBasic.Space(13)</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2> Select Case=20 RTrim(Me.ShippingLogDetailDataGridView.Rows(detCntr -=20 1).Cells(1).Value.ToString)</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>    =  Case=20 "F"</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>    =    =20  line =3D line & "STAINLESS FITTINGS & FLANGES" &=20 Microsoft.VisualBasic.Space(36)</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>    =  Case "P",=20 "T"</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>    =    =20  line =3D line & "STAINLESS PIPE" &=20 Microsoft.VisualBasic.Space(50)</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>    =  Case=20 "V"</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>    =    =20  line =3D line & "STAINLESS VALVES" &=20 Microsoft.VisualBasic.Space(48)</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>    =  End=20 Select</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2></FONT> </DIV> <DIV><FONT face=3DArial color=3D#0000ff = size=3D2>     detCntr=20 =3D detCntr + 1</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>Loop</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>line =3D line &=20 Microsoft.VisualBasic.Space(Col1) & Microsoft.VisualBasic.Space(15) = &=20 "Customer PO #: " &=20 Microsoft.VisualBasic.UCase(RTrim(Me.CustPOTextBox.Text)) &=20 vbCrLf</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>line =3D line &=20 Microsoft.VisualBasic.Space(Col1) & Microsoft.VisualBasic.Space(15) = &=20 "Tag #: " &=20 Microsoft.VisualBasic.UCase(RTrim(Me.CustomersCustomersPONOTextBox.Text))= &=20 vbCrLf & vbCrLf</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff size=3D2>yPos =3D topMargin + = count *=20 printFont.GetHeight(ev.Graphics)</FONT></DIV> <DIV><FONT face=3DArial color=3D#0000ff = size=3D2>ev.Graphics.DrawString(line,=20 printFont, Brushes.Black, leftMargin, yPos, New=20 StringFormat())</FONT></DIV></BODY></HTML> ------=_NextPart_000_0006_01C87491.D2C9CE60-- Tag: Update other GUI via BackgroundWorker thread? Tag: 116150
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    - UserControls? I am a web developer by trade, but have done a little with winforms. How can I add a winforms user control to an application without having to create a separate project for each control? From what I have been reading, you need to create a project for the user control, build it, and then add it to the tool box. Once it is in the tool box you can drag it onto the form or other control. I want the user controls to be part of the base project and add them to the forms without having to build them each time I make a change. Can I modify the designer.vb file to do what I need? Daniel Tag: Update other GUI via BackgroundWorker thread? Tag: 116147
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  - 1
    - DataGridView & TabPages Hi, This is my first message to this group. I've already search the web, google, this group, found some clues to my problem but found no solution or workaround. So please let me explain my problem: I'm developing an application, which has custom UserControls containing DataGridView controls being put inside TabPages of a TabControl at runtime (I hope this made sense). Well, those are being added dinamically at runtime simply because VisualStudio keeps deleting my controls due to a bug in the designer. This is a issue, but the problem I'm facing now is other. Please check those images: http://www.comp.ufscar.br/~cesarsouza/archive/CSharp/bug/ The first image is of my application, windowed, in normal mode, with the DataGridView loaded. Then, the window is maximized in the second image, and you can notice the grid didn't resize itself. Now, the third image reveals that the 'gap' produced is indeed not being redraw at all. The DataGridView is anchored on the four directions inside the UserControl, which is set to DockStyles.Fill inside the tab page. An interesting thing is, everything happens normally _before_ the data has been loaded and the data is bound. The same occurs backwards, i.e. If I load the data when the window is maximized and then resize it, the DataGridView gets bigger than its container control and becomes corrupted. I'm pretty sure this is a bug in the framework (I'm using 2.0) dealing with DataGridViews being put inside TabPages. If someone has already face this problem, please let me know. If nothing else works, I would like to know how I could force a complete redraw, or a re-bind after I completed a resize move. Just calling dataGridView.Refresh(), Invalidate, Redraw, or whatever seems to have no effect. Thanks in advance, Cesar Souza Tag: Update other GUI via BackgroundWorker thread? Tag: 116146
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    - DataGrid Template. This is a multi-part message in MIME format. ------=_NextPart_000_018C_01C874C6.4A8EAC70 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Web form's datagrid has itemtemplate to define no of columns, which = control need to be show on particular column (Like textbox, radio = button...). Is there any way to define Template in WindowsForms?. I want one column = should show radio button and another one need to show NumericUpDown. -- Rajesh A +91-9886124372 S7 Software Solutions "NOTHING IS IMPOSSIBLE. IMPOSSIBLE IT SELF CONTAIN POSSIBLE." ------=_NextPart_000_018C_01C874C6.4A8EAC70 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type = content=3Dtext/html;charset=3Diso-8859-1> <META content=3D"MSHTML 6.00.6000.16609" name=3DGENERATOR></HEAD> <BODY id=3DMailContainerBody=20 style=3D"PADDING-RIGHT: 10px; PADDING-LEFT: 10px; PADDING-TOP: 15px"=20 bgColor=3D#ffffff leftMargin=3D0 topMargin=3D0 CanvasTabStop=3D"true"=20 name=3D"Compose message area"> <DIV><FONT face=3DArial color=3D#003366 size=3D2>Web form's datagrid has = itemtemplate=20 to define no of columns, which control need to be show on particular = column=20 (Like textbox, radio button...).</FONT></DIV> <DIV><FONT face=3DArial size=3D2><FONT color=3D#003366>Is there any way = to define=20 Template in <STRONG>WindowsForms</STRONG>?. I want one column should = show radio=20 button and another one need to show NumericUpDown.</FONT></FONT></DIV> <DIV><STRONG><FONT face=3DArial color=3D#003366 = size=3D2></FONT></STRONG><SPAN=20 style=3D"FONT-SIZE: 12px; COLOR: #1f497d"><BR><STRONG>--<BR>Rajesh=20 A<BR>+91-9886124372<BR></STRONG><A=20 title=3D"http://www.s7software.com/
      CTRL + Click to follow link"=20 href=3D"http://www.s7software.com/"><STRONG>S7 Software=20 Solutions</STRONG></A><BR></SPAN><STRONG><SPAN=20 style=3D"FONT-SIZE: 12px; COLOR: red">"NOTHING IS IMPOSSIBLE.</SPAN> = <SPAN=20 style=3D"FONT-SIZE: 12px; COLOR: green">IMPOSSIBLE IT SELF CONTAIN=20 POSSIBLE."</SPAN><BR></DIV></STRONG><BR></BODY></HTML> ------=_NextPart_000_018C_01C874C6.4A8EAC70-- Tag: Update other GUI via BackgroundWorker thread? Tag: 116145
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    - Transparent frame? I need to use a control that is just a border, like transparent System.Windows.Forms.Panel (I need to display form's background image). Can you advice on what I can use or how to make Panel transparent? Thank you. Tag: Update other GUI via BackgroundWorker thread? Tag: 116140
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    - Table Adapter parameters I was successfully calling a TableAdapter.Fill command in code which was tied to an SQL stored procedure. I changed the stored procedure to include two additional parameters and it stopped working in code. The stored procedure works when previewing it in the dataset designer. But the line of code comes up with an error stating 'Expression Expected' and the comma after the first parameter is underlined. Can't find the problem. I only added three additional parameters in the stored procedure which I include on the line of code but no dice. Any ideas? Here is the line of code: Me.SpWPJOs_TableAdapter.Fill(Me.DsWPJOs.spWPJOs, 'Pending', blWPsCompleted, '1/1/2007', '12/31/2007') Tag: Update other GUI via BackgroundWorker thread? Tag: 116139
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    - Save user preferences? I know this has been discussed before, but I really need a good example of how this works. I am developing an application that houses some user preferences and also will allow the user to save the entire project to a file. Instead of creating XML files that will be saved to a directory, what is the best way to combine all that information into one binary file? I have read about IsolatedStorage and Serialization, but the examples I have seen are too vague or don't apply to what I am doing. Any help is appreciated. Daniel Tag: Update other GUI via BackgroundWorker thread? Tag: 116137
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    - Dynamic event handlers Hi, I am trying to dynamically generate a menu, based on entries on a text or xml file. The text file contains the "tree" after which the menu will need to be created. Something like the following: Level 1 -- Level 2 -- Level 2 Level 1 -- Level 2 ---- Level 3 I can read the file and generate each menu item definition, with the corresponding "nesting", without a problem. What I'm having difficulties with is deciding on how to handle the events for each of the menu items. Generating the full menu dynamically would mean having to create the event handlers dynamically, unless I have a fixed amount of event handlers, which I'm not sure is the best approach. I might be wrong here... 1. What's the best way to generate event handlers dynamically? I've read about runtime IL generation, which makes sense but is a bit complex. 2. Using regular event handlers (hard coded), can I capture which of the menu items is being clicked and what component is the menu being displayed on? i.e., if the menu is being displayed after a right click on a button or a picture box, can I: 1) know if it's the picture box or the button displaying the menu? and 2) can I know what menu/sub menu is being clicked? Any ideas will be greatly appreciated. Thanks, </edwin> Tag: Update other GUI via BackgroundWorker thread? Tag: 116136
  - 7
    - Windows on top Is there a way that I can determine if my windows form has focus, is acitve or is on top? -- Arne Garvander Certified Geek Professional Data Dude Tag: Update other GUI via BackgroundWorker thread? Tag: 116135
  - 8
    - Online timesheet 100$ for unlimited users Online web based timesheet 100$ for unlimited users Source code is available in just US$250 by http://www.livetecs.com TimeLive Web timesheet suite is integrated suite for time record, time tracking and time billing software. The TimeLive suite of products deliver a time tracking solution for professional service providers. Each of our products has been designed to meet the time tracking needs of specific segments of the service provider market, including both time tracking and time and billing applications. TimeLive on-demand timesheet solution helps organizations eliminate the paperwork and manual processes associated with time collection. TimeLive is available in two different flavors. Hosted version and downloadable version. Downloadable version required certain system requirement to install on local server. Whereas hosted version is already installed on our fully managed server on state of art datacenter. Free Lite version is available in both hosted and installable version. Here are some key features of "TimeLive": Online TimeSheet ------------------- - Track your contractor and employee's timesheet using full featured and easy to use Time Entry tool. You can then use detailed and summarized view of all time records using different tools. - Time Entry Day View for entering full day timesheet in just one server hit. - Time Entry Week View for entering full week timesheet in just one server hit. - Organization setup like Departments, Locations, Roles - Different type of Off day monitoring like Sick Days, Vacations etc. - Client Setup with multiple client contacts and departments. - Project Setup - Task setup with multiple assignees for single task. - Audit Trail - EMail notification of different timesheet related activities to users. - Different billing type setup like Hourly / Task based / Call based - Timesheet approval - Customizable Timesheet Approval Paths (None,Administrator,Project,TeamLead, External User (Client)) - Reports with all possible filter selection to get your required output. - Detail Timesheet Report - Different timesheet summary reports for based on Client, Project, Employee, Date - Timesheet Approval status report - Reminders to employee for their pending entries. - Role wise billing rates. Billing ------- - Different billing rate pick option like employee own billing rate, role based billing rate, project specific billling rate. - Billing rate history - Billable / non billable hour tracking - Different billing related reports Attendance ------------ - Web based Attendance system to record and monitor all employee attendance using simple / fully featured tool. - Time In - Time Out - Off Day reporting for different purpose like Sick leave, vacation etc - Working Day setup - Daily Attendance report - Summary reports for employee off days to track employee Sick leave,vacation etc. - Detail report employee off days. Expenses Tracking ------------------ - Manage and monitor your project expenses with easy to use integrated TimeLive Expense management tools. - Expense entry view for employee to enter their expenses occurred on project. - Billable / Unbillable expenses. - Detail Reports for monitoring expenses - Different summarize report by Project / Employee / Expenses. - Customizable Approval of Expenses with different approval options. -- Team Lead -- Project Manager -- Administrator. -- Client (External User) - Expenses approval monitoring. Project Monitoring --------------------- - Full featured tool to manage your projects and their task with single integrated tool. - Nested Task with task hierarchy. - Tracking of project status - Assigning of projects to multiple employee - Tracking of project tasks - Different dashboard view for Project Manager, Team Lead and Team Member. - Different report to track and monitor overall project status. Other Features ---------------- - Exportable reports in Word, PDF and XLS file. - Downloadable / Hosted version - Free full featured basic version upto 5 users - Unlimited disk space for all plans - International date formats supported. - Role based security. - Multiple currency support. - Fully customizable UI with ability of changing company logo. Developed in ASP.Net 2, Microsoft ASP.Net Ajax 1.0, SQL Server 2005 Tag: Update other GUI via BackgroundWorker thread? Tag: 116134
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    - managed Multimedia development I may be missing something, so I'm making this a general question. I need to do some multimedia work. Essentially display a movie image (or two in one windw) plus some text and overlay text. For the overlays to work I'll need to be able to identify the movie frame being shown (ideally via an event). I expect to use Windows Media Video 9 movies as a minimum, though Flash support would also be nice, and Quicktime support nicer still. The end devie will be semi-embedded, and run on XPe at least, though I'd love to be able to compile onto the .NET CF and run under CE6.0. I've been working with the Quartz library and a public domain managed code wrapper for that library. To the question - there must be a better way than this! Have I completely missed some .NET class? Yes, I've messed with the Media Player DLL but that just doesn't have the fine control of the Quartz functions .. but the Quartz functions are not managed and the process of calling it from a .NET environment is .. well .. kludgy. Any help or advice appreciated. Phil Tag: Update other GUI via BackgroundWorker thread? Tag: 116133
  - 10
    - String Format Hi All, 1. This is my string "The description of the problem ERIndia_Bharti / 2/19/2008 8:37:00 PM last comment only ER_Kista / 2/19/2008 9:45:00 AM last comment only ER_Kista / 2/19/2008 9:45:59 AM last comment only ER_Kista / 2/19/2008 9:47:00 AM" I want to extract all those dates in this(here count is 4) and wants to change them in the format say 2008-02-19T09:45:00(FOR 2/19/2008 9:45:00 AM e.g.) and 2008-02-19T20:37:00Z(FOR 2/19/2008 8:37:00 PM) ,means 24 hours time and then wants to store them in their postitions like "The description of the problem ERIndia_Bharti / 2008-02-19T20:37:00Z last comment only ER_Kista / 2008-02-19T09:45:00Z last comment only ER_Kista / 2008-02-19T09:45:59 last comment only ER_Kista / 2008-02-19T09:47:00Z" Where T and Z are just a aplphabet which needs to be concat. How is this possible?This string has many dates like above in the sentence but format will remian same(i.e. m/dd/yyyy h:mm:ss) so solution should be general Kindly help me 2. the other string wil be in the below format e.g. say ER_Kista , 2/19/2008 9:47:50 PM i want it to be printed as 2008-02-19T21:47:50Z Where T and Z are just a aplphabet which needs to be concat. Kindly assist me. Thanks in advande for your work on this issue, Deepak Tag: Update other GUI via BackgroundWorker thread? Tag: 116124
  - 11
    - VS2005 - disable main form until splash has closed? Hi everybody, I am using a form (predefined template) as a splash screen which is being displayed for a couple of seconds. Other than with older versions of VS I don't have to fiddle around with timers and threads to display that form - it seems that the template is implementing that behaviour behind the scenes for me. However, I need to keep the main form deactivated until the splash form has closed. How can I achieve that? Cheers & TIA, Olaf Tag: Update other GUI via BackgroundWorker thread? Tag: 116115
  - 12
    - Targeting for fw 2.0 Hi I have upgraded a vs2003 app into vs2008. How can I tell vs2008 to target this app for framework 2.0 instead of 3.5? I can't seem to find this option anywhere. Thanks Regards Tag: Update other GUI via BackgroundWorker thread? Tag: 116107
  - 13
    - Capturing hot keys Hi How can my main form capture key strokes and pass them to various controls on the form? Thanks Regards Tag: Update other GUI via BackgroundWorker thread? Tag: 116106
  - 14
    - ComboBox binding trouble In a contacts app I have a company combobox setup like this: DataSource = ds.Company DisplayMember = "CompanyName" ValueMember = "CompanyID" The SelectedValue property is bound to the Contact table Company field. companyComboBox.DataBindings.Add( "SelectedValue", contactBindingSource, "Company"); The problem is the CompanyID is not being set in the Contact table's Company column. Company.CompanyID and Contact.Company are both type int I've check it over several times... I'm not seeing what I'm doing wrong. Tag: Update other GUI via BackgroundWorker thread? Tag: 116105
  - 15
    - DNS-less Connection String Using VS2K5 Datasource Connection Wizard The quick question is: when creating an SQLdatasource using the wizard in VS2K5 which requires a new connection, does VS2K5 create a DNS-less connection or not? The long question is: I've been told that DNS connections strings (Datasource=DNSName) are old news and that I should be using a DNS-less connection string (like Datasource=ServerName); however, none of my connection strings created with the wizard work anymore now that I've deleted the DNS ODBC connection with the same name as the SQL Server. Can anyone shed some light on this for me? Thanks, Ross Tag: Update other GUI via BackgroundWorker thread? Tag: 116104
  - 16
    - Copying data between two forms, allocated memory continues to grow Hi, I have a simple memory problem with two forms on a MDI project. The first form (MainForm) open a second one (ImageForm). Both the forms have an instance to a dataset (DataSet1). On the ImageForm Form_Load event, I wrote code to copy all the records from the MainForm.DataSet1.TB_Images dataTable to the ImageForm.DataSet1.TB_Images dataTable. Note that TB_Images has an Image Field. I can't understand why opening and closing ImageForm many times, the allocated memory continues to grow. This is the code: ' the MainForm opens the ImageForm: Private Sub OpenImageForm() Dim f As New ImageForm If f.ShowDialog(Me.ParentForm) = Windows.Forms.DialogResult.OK Then 'do stuff (or do nothing, the problem doesn't change) End If f = Nothing End Sub 'the Form_Load event of the ImageForm Private Sub ImageForm_Load(ByVal sender As System.Object, ByVal e As _ System.EventArgs) Handles MyBase.Load Me.DataSet1.TB_Images.Clear() For Each rwImages As DataSet1.TB_ImagesRow In _ CType(Me.Owner, MDIParent)._MainForm.DataSet1.TB_Images Me.DataSet1.TB_Images.ImportRow(rwImages) Next End Sub Any help appreciated! Tag: Update other GUI via BackgroundWorker thread? Tag: 116101
  - 17
    - DataGridView Column Resizing Just Quit On Me?? I have a DataGridView "grid" filling a splitter panel and have set: grid.AllowUserToResizeColumns = true; Until just recently the column resize worked perfectly when I drug a header column divider. Now, it has just stopped allowing me to grab the column divider? I can still reorder the columns by dragging them around ... so that feature is still working. The sorting by column feature works too. Any clues? How do you troubleshoot such a problem? I've been working on various other portions of the program ... but none of that work should impact the grid's settings. I am really stumped here. :( Any suggestions much appreciated. Thanks. -- Tom Tag: Update other GUI via BackgroundWorker thread? Tag: 116100
  - 18
    - UserPaint problem with TextBox Hi, I am deriving my user control from TextBox . As I want to do some drawing within the textbox , I am doing the following :- 1) SetStyle(ControlStyles.UserPaint , true ); 2) Overriding OnPaint The drawing stuff works fine in OnPaint . The problem happens with the font ; Though I have set the font property to "Arial", 12 pt . the effect is not there when ==> SetStyle(ControlStyles.UserPaint , true ); I want to have the Arial font as well I need to do the drawing. I tried with WM_PRINT , and PRF_CLIENT but it did not work . Please let me know how to acheive the above . Thanks in advance. Sujay -- Sujay Ghosh Bangalore, INDIA Tag: Update other GUI via BackgroundWorker thread? Tag: 116099
  - 19
    - Error running app in production Hi I created a setup file of my app and remotely installed it on a clients machine. The app bombs at start-up with the error; Error while initializing application: Retrieving the COM class factory for component with CLSID {0006F03A-0000-0000-C000-000000000046} failed due to the following error: 8007007e. The application also gave a stack trace which is given below at the end. What's more there is no JIT debugger on the target system. What is the problem and how can I proceed from here specially when I have little or now way to debug the app on the target system. Many Thanks Regards Stack Trace ======== See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. ************** Exception Text ************** System.NullReferenceException: Object reference not set to an instance of an object. at EMS.frmClients.RefrshDropDowns(Boolean FirstTime) at EMS.frmClients.BindFieldstoDataSource() at EMS.frmClients.frmClients_Load(Object sender, EventArgs e) at System.Windows.Forms.Form.OnLoad(EventArgs e) at System.Windows.Forms.Form.OnCreateControl() at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at System.Windows.Forms.Control.CreateControl() at System.Windows.Forms.Control.SetVisibleCore(Boolean value) at System.Windows.Forms.Form.SetVisibleCore(Boolean value) at System.Windows.Forms.Control.Show() at EMS.frmMain.OpenForm(String x, Int32 id) at EMS.frmMain.frmMain_Load(Object sender, EventArgs e) at System.EventHandler.Invoke(Object sender, EventArgs e) at System.Windows.Forms.Form.OnLoad(EventArgs e) at System.Windows.Forms.Form.OnCreateControl() at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at System.Windows.Forms.Control.CreateControl() at System.Windows.Forms.Control.WmShowWindow(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ScrollableControl.WndProc(Message& m) at System.Windows.Forms.ContainerControl.WndProc(Message& m) at System.Windows.Forms.Form.WmShowWindow(Message& m) at System.Windows.Forms.Form.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) ************** Loaded Assemblies ************** mscorlib Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.1433 (REDBITS.050727-1400) CodeBase: file:///C:/WINDOWS/Microsoft.NET/Framework/v2.0.50727/mscorlib.dll ---------------------------------------- IV Assembly Version: 1.0.2968.12064 Win32 Version: 1.0.2968.12064 CodeBase: file:///C:/Program%20Files/IV/Events%20Manager%202008/IV.exe ---------------------------------------- Microsoft.VisualBasic Assembly Version: 8.0.0.0 Win32 Version: 8.0.50727.1433 (REDBITS.050727-1400) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/Microsoft.VisualBasic/8.0.0.0__b03f5f7f11d50a3a/Microsoft.VisualBasic.dll ---------------------------------------- System Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.1433 (REDBITS.050727-1400) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System/2.0.0.0__b77a5c561934e089/System.dll ---------------------------------------- System.Windows.Forms Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.1433 (REDBITS.050727-1400) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Windows.Forms/2.0.0.0__b77a5c561934e089/System.Windows.Forms.dll ---------------------------------------- System.Drawing Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.1433 (REDBITS.050727-1400) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Drawing/2.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll ---------------------------------------- System.Configuration Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.1433 (REDBITS.050727-1400) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Configuration/2.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll ---------------------------------------- System.Xml Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.1433 (REDBITS.050727-1400) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Xml/2.0.0.0__b77a5c561934e089/System.Xml.dll ---------------------------------------- System.Runtime.Remoting Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.1433 (REDBITS.050727-1400) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Runtime.Remoting/2.0.0.0__b77a5c561934e089/System.Runtime.Remoting.dll ---------------------------------------- Infragistics2.Win.v7.3 Assembly Version: 7.3.20073.38 Win32 Version: 7.3.20073.38 CodeBase: file:///C:/Program%20Files/Information%20Vision/Events%20Manager%202008/Infragistics2.Win.v7.3.DLL ---------------------------------------- Infragistics2.Shared.v7.3 Assembly Version: 7.3.20073.38 Win32 Version: 7.3.20073.38 CodeBase: file:///C:/Program%20Files/Information%20Vision/Events%20Manager%202008/Infragistics2.Shared.v7.3.DLL ---------------------------------------- Infragistics2.Win.UltraWinToolbars.v7.3 Assembly Version: 7.3.20073.38 Win32 Version: 7.3.20073.38 CodeBase: file:///C:/Program%20Files/Information%20Vision/Events%20Manager%202008/Infragistics2.Win.UltraWinToolbars.v7.3.DLL ---------------------------------------- Infragistics2.Win.UltraWinExplorerBar.v7.3 Assembly Version: 7.3.20073.38 Win32 Version: 7.3.20073.38 CodeBase: file:///C:/Program%20Files/Information%20Vision/Events%20Manager%202008/Infragistics2.Win.UltraWinExplorerBar.v7.3.DLL ---------------------------------------- Infragistics2.Win.UltraWinStatusBar.v7.3 Assembly Version: 7.3.20073.38 Win32 Version: 7.3.20073.38 CodeBase: file:///C:/Program%20Files/Information%20Vision/Events%20Manager%202008/Infragistics2.Win.UltraWinStatusBar.v7.3.DLL ---------------------------------------- Infragistics2.Win.Misc.v7.3 Assembly Version: 7.3.20073.38 Win32 Version: 7.3.20073.38 CodeBase: file:///C:/Program%20Files/Information%20Vision/Events%20Manager%202008/Infragistics2.Win.Misc.v7.3.DLL ---------------------------------------- System.Design Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.1433 (REDBITS.050727-1400) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Design/2.0.0.0__b03f5f7f11d50a3a/System.Design.dll ---------------------------------------- Accessibility Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.1433 (REDBITS.050727-1400) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/Accessibility/2.0.0.0__b03f5f7f11d50a3a/Accessibility.dll ---------------------------------------- System.Data Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.1433 (REDBITS.050727-1400) CodeBase: file:///C:/WINDOWS/assembly/GAC_32/System.Data/2.0.0.0__b77a5c561934e089/System.Data.dll ---------------------------------------- Interop.Outlook Assembly Version: 9.0.0.0 Win32 Version: 9.0.0.0 CodeBase: file:///C:/Program%20Files/Information%20Vision/Events%20Manager%202008/Interop.Outlook.DLL ---------------------------------------- Zip Assembly Version: 1.0.0.0 Win32 Version: 1.0.0.0 CodeBase: file:///C:/Program%20Files/Information%20Vision/Events%20Manager%202008/Zip.DLL ---------------------------------------- System.Transactions Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.1433 (REDBITS.050727-1400) CodeBase: file:///C:/WINDOWS/assembly/GAC_32/System.Transactions/2.0.0.0__b77a5c561934e089/System.Transactions.dll ---------------------------------------- System.EnterpriseServices Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.1433 (REDBITS.050727-1400) CodeBase: file:///C:/WINDOWS/assembly/GAC_32/System.EnterpriseServices/2.0.0.0__b03f5f7f11d50a3a/System.EnterpriseServices.dll ---------------------------------------- Infragistics2.Win.UltraWinGrid.v7.3 Assembly Version: 7.3.20073.38 Win32 Version: 7.3.20073.38 CodeBase: file:///C:/Program%20Files/Information%20Vision/Events%20Manager%202008/Infragistics2.Win.UltraWinGrid.v7.3.DLL ---------------------------------------- Infragistics2.Win.UltraWinTabControl.v7.3 Assembly Version: 7.3.20073.38 Win32 Version: 7.3.20073.38 CodeBase: file:///C:/Program%20Files/Information%20Vision/Events%20Manager%202008/Infragistics2.Win.UltraWinTabControl.v7.3.DLL ---------------------------------------- Infragistics2.Win.UltraWinEditors.v7.3 Assembly Version: 7.3.20073.38 Win32 Version: 7.3.20073.38 CodeBase: file:///C:/Program%20Files/Information%20Vision/Events%20Manager%202008/Infragistics2.Win.UltraWinEditors.v7.3.DLL ---------------------------------------- ************** JIT Debugging ************** To enable just-in-time (JIT) debugging, the .config file for this application or computer (machine.config) must have the jitDebugging value set in the system.windows.forms section. The application must also be compiled with debugging enabled. For example: <configuration> <system.windows.forms jitDebugging="true" /> </configuration> When JIT debugging is enabled, any unhandled exception will be sent to the JIT debugger registered on the computer rather than be handled by this dialog box. Tag: Update other GUI via BackgroundWorker thread? Tag: 116079
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  - 25
    - BackgroundWorker and ListView cross-thread exception Hi, I am writing an application which displays a list of computers on a network and then pings each one and displays the result. To keep the UI responsive, I am doing the ping operation using a BackgroundWorker component. The Ping method loops through a list of Computer business objects, pings the name of the computer and stores the result in a property of the Computer object called Result. The Computer object also implements INotifyPropertyChanged interface, which raises a PropertyChanged event when the Result property is modified. I have an event handler in my form class which listens for the Computer.PropertyChanged event, and attempts to update the corresponding ListViewItem with the result of the ping. However, as soon as I reference the ListView control, or any of the items, I get: Cross-thread operation not valid: Control 'ComputerListView' accessed from a thread other than the thread it was created on. How can I ensure the ListView gets updated? Regards, James Tag: Update other GUI via BackgroundWorker thread? Tag: 116032

Hi,

I know that you should not update the applications GUI with code running in
the BackgroundWorker thread (or any other thread). But is it OK to
construct, show and update new Forms inside the thread? The difference I'm
trying to point out is that you don't update any existing GUI, but instead,
create (of example) a new small form with a progress indicator, OK?

regards

Carl

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RE: Update other GUI via BackgroundWorker thread? by Rob

Rob
Fri Feb 29 11:16:06 CST 2008

"Carl" wrote:
> I know that you should not update the applications GUI with code running in
> the BackgroundWorker thread (or any other thread). But is it OK to
> construct, show and update new Forms inside the thread? The difference I'm
> trying to point out is that you don't update any existing GUI, but instead,
> create (of example) a new small form with a progress indicator, OK?

Yes and no.

Yes: WinForms GUI objects are bound to the thread they are created on and
can be updated from that thread. It doesn't matter if that thread is the
main UI thread or a secondary thread, so long as the thread is consistent.

No: This can't be done on a BackgroundWorker thread. WinForms UI needs to
be on an STA thread, and BackgroundWorkers are MTA. Any UI thread will have
to pump messages, so the thread will need to call Application.Run or
Form.ShowDialog to activate a message pump.

In general, it's best to keep the UI on the main thread and have the
BackgroundWorker periodically call ReportProgress to let the UI thread know
to update the progress bar.

--Rob

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Re: Update other GUI via BackgroundWorker thread? by Carl

Carl
Mon Mar 03 01:33:07 CST 2008

Thanks for your great answer!

regards,

Carl

"Rob" <Rob@discussions.microsoft.com> wrote in message
news:F0EDE161-85AC-4515-B7BC-CF9C4BC99674@microsoft.com...
> "Carl" wrote:
>> I know that you should not update the applications GUI with code running
>> in
>> the BackgroundWorker thread (or any other thread). But is it OK to
>> construct, show and update new Forms inside the thread? The difference
>> I'm
>> trying to point out is that you don't update any existing GUI, but
>> instead,
>> create (of example) a new small form with a progress indicator, OK?
>
> Yes and no.
>
> Yes: WinForms GUI objects are bound to the thread they are created on and
> can be updated from that thread. It doesn't matter if that thread is the
> main UI thread or a secondary thread, so long as the thread is consistent.
>
> No: This can't be done on a BackgroundWorker thread. WinForms UI needs to
> be on an STA thread, and BackgroundWorkers are MTA. Any UI thread will
> have
> to pump messages, so the thread will need to call Application.Run or
> Form.ShowDialog to activate a message pump.
>
> In general, it's best to keep the UI on the main thread and have the
> BackgroundWorker periodically call ReportProgress to let the UI thread
> know
> to update the progress bar.
>
> --Rob
>

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