Draft font printing

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  - 1
    - Autoscroll scrollbar thumb position being reset upon focus change Given the following Form with a panel with autoscroll set to true and with enough controls at different locations to cause autoscrolling to be visibly on, there is a slight annoyance with the behavior of the scrollbar upon switching focus to another window -- the scrollbar thumb position automatically gets reset to zero upon the Form getting the focus back. When I open standard windows apps like Microsoft Word and scroll down a document and then lose focus by switching to another application and then regain the focus on that Word document, the scrollbar thumb position is same as it was upon losing focus. Is this a bug/feature that I need to work around by saving off the thumb position in the Control.LostFocus event handler and restore in the Control.GotFocus event handler? Or is there some super simple way like a property setting - (the more I learn C#, the more I realize that some things are ridiculously simple if you know what property to use -- e.g. using Control.UseWaitCursor property of a container control instead of having to worry about setting the Cursor property to WaitCursor for each control contained by that container). <code> using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; namespace autoScrollTest { public partial class Form1 : Form { public Form1() { Panel p = new Panel(); this.Controls.Add(p); p.AutoScroll = true; for (int i = 0; i < 1000; i++) { Button btn = new Button(); btn.Visible = true; btn.Text = "Button " + i; btn.Location = new Point(0,i * btn.Height); p.Controls.Add(btn); } } } } </code> Tag: Draft font printing Tag: 90086
  - 2
    - Resources Hi, I am developing a Windows Form app, that has graphical buttons. Obviously I use the same button more than once throuout the application, but Visual Studio would appear to embed a set of images for each button into the program resources, instead of using a commen one. If I can make it use a common copy, I could reduce the size of my final exe file quite considerably. Is there a way I can edit this, and what is the best way to do it? Thanks. Paul Tag: Draft font printing Tag: 90083
  - 3
    - Developing Windows App for different screen resolutions Hi, Our project requirement is to develop app for 2 different screen resolutions 1024x768 and .. 800x600.so basically I want my forms loaded with controls behave expectedly when screen resolution changes..how can this be done? thanks Tag: Draft font printing Tag: 90080
  - 4
    - Drag/Drop an Image from a Web Browset I've implemented a drag & drop operation which allows an image (or a file containing an image) to be dropped onto a custom control. This works fine on dragging an image file already on my hard drive, but on dragging an Image from any web page in a web browser, I'm getting an "Out of memory" exception thrown, but there appears to be plenty of memory left. Why could this be happening ? NB. On dragging a web image, files[0] contains a reference to the image in my web cache (in short directory format), for example: "C:\\DOCUME~1\\JEREMYB\\LOCALS~1\\TEMP\\DisplayBannerImage.gif" Could this be why ? If so how CAN I implement dragging an image from a web browser ? Here's the relevant sections of code: public Form1() { InitializeComponent(); AlbumControl ac = new AlbumControl(p, atype, AutoLookup, cwidth /*, false*/); ac.AllowDrop = true; ac.DragDrop += new DragEventHandler(ac_DragDrop); ac.DragEnter += new DragEventHandler(ac_DragEnter); } private void ac_DragDrop(object sender, DragEventArgs e) { Image droppedImage = null; // Handle FileDrop data. if (e.Data.GetDataPresent(DataFormats.FileDrop)) { // Assign the file names to a string array, in // case the user has selected multiple files. string[] files = (string[])e.Data.GetData(DataFormats.FileDrop); try { // Assign the first image to the picture variable. droppedImage = Image.FromFile(files[0]); } catch (Exception ex) { MessageBox.Show(ex.Message); return; } } AlbumControl ac = (AlbumControl)sender; if (droppedImage != null) { // DO SOMETHING WITH IMAGE !! ac.MainImage = droppedImage; } // Force the control to be redrawn with the image. ac.Invalidate(); } private void ac_DragEnter(object sender, DragEventArgs e) { // If the data is a file or a bitmap, display the copy cursor. if (e.Data.GetDataPresent(DataFormats.FileDrop)) { e.Effect = DragDropEffects.Copy; } else { e.Effect = DragDropEffects.None; } } Tag: Draft font printing Tag: 90079
  - 5
    - visual demo idea to shut up a mac developer?.... I'm porting a Mac application to window. Regularly I have comment like that: - (me): hum.. there is no shadow object in .NET's Graphic's object. - (him): what? but that's standart (mac) stuff!!! or - (me): well, the default RichTextBox doesn't handle kerning (character spacing). - (him): what? but that standart feature of Text editor! and that goes on...... that kind of irk me as well. I'm thinking.. well and what about code security? nice introspection, reflection & documented serialization? display control in a web page? strongly typed code collection? exception? remoting? (DO is crap) memory corruption free code? developer productivity? But he might not even realized what I'm speaking of.... (and the last one he said: ha, like java!) Grrmmrrbll.... I wonder, does any one has any idea of a simple visual demo .NET to shut this Mac gnagnagna? well, we browse through all the controls to look for an idea.. Tag: Draft font printing Tag: 90078
  - 6
    - render an Rtf string I have a text editor which returns me an Rtf string and I want to draw on my control. My control il a bit like a drawing program, with various shape. I can't put a RichTextBox on (or many for that matter) So, is there anyway, tutorial to render Rtf? Tag: Draft font printing Tag: 90077
  - 7
    - Multiple Main Menus using VB.NET Code on WinForm Can someone post the vb.net code which creates dynamic multiple main menus on WinForm. In MSDN help, it gives codes which just creats only one Main Menu from the Code. I am looking for code to have Multiple Main Menus like given below. File Edit View Exit mnuFileItem1 mnuEditItem1 mnuViewItem1 mnuFileItem2 mnuEditItem2 mnuViewItem1 Tag: Draft font printing Tag: 90076
  - 8
    - Listview, reselect previous item, Delegates, Invokes Win32, Postmessage etc. I've got a listview on a form in report style. It's populated with 40 items. I want to prevent the user clicking on some items, and if the user clicks on one of these items I want the selection to revert back to the old selection, hideselection property if false, listview is single select. In the OnSelectedChange() handler I test to see if the newly selected item is a selectable one, if it's not, I try to change the selection like so. private void OnSelectedItemChanged(object sender, System.EventArgs e) { if( listView1.SelectedItems.Count != 0 ) { int idx = listView1.SelectedItems[0].Index; bool ret = execScript.isExecutable(idx); if(ret == false) { listView1.Items[execScript.getCurrentExecNum()].Selected = true; listView1.Select(); listView1.EnsureVisible(execScript.getCurrentExecNum()); listView1.Focus(); } } This doesn't work. Neither does posting a user message to this function by overriding the WndProc and calling Win32 [DllImport("user32.Dll")] public static extern Int32 PostMessage(IntPtr Handle, Int32 ConnectionType, IntPtr wParam, IntPtr lParam); ResetSelection() { listView1.Items[execScript.getCurrentExecNum()].Selected = true; listView1.Select(); listView1.EnsureVisible(execScript.getCurrentExecNum()); listView1.Focus(); } Neither does using a delegate like this listView1.BeginInvoke(new OnSelectedItemChangedDelegate(ResetSelection),null); Neither does adding a filter on to the listview control and trapping the LVN_ITEMCHANGING or LVN_ITEMCHANGED message in the WM_NOTIFY. Interesting to note though if I add a button to the form and call my ResetSelection() function it works fine. Three days I've spent on this. Can anyone help? Thanks Youngie... Tag: Draft font printing Tag: 90073
  - 9
    - Accessing merge fields Word doc via VB.Net Given the following merge fields defined on a word document how can I acccess them via a Word document object in VB.NET? The data I want to subsititute is in a dataset. {MERGEFIELD "FirstName"} for example I would place row.FirstName in this field {MERGEFIELD "Picture1"} Here I want to place a picture loaded from a path for example contained in row.PhotoPath Any help would be appreciated. WR Tag: Draft font printing Tag: 90068
  - 10
    - Listbox event for add/remove item? I want to enable/disable buttons depending on whether items exist in a listbox. I thought fore sure there would be an event anytime an item was added/removed from a listbox...and I could register for it to change my button status. But...I can't seem to find these events? Am I missing something? Is there any event that I could use? Amil Tag: Draft font printing Tag: 90065
  - 11
    - PropertyGrid and UITypeEditor Hi! So I've created a custom class and I'm working on creating editor support for it. I've created and bound a custom UITypeEditor to it and everything. Here's the thing though: At design time, the property editor shows the little ... button next to a property of my type. I can clikc the button and a dialog pops up which I created. This is good and works as I expected. Here's the problem - at run time, I have a property grid control and I have SelectedObject set to an instance of an object which has a member of my type. However, when I select the property at run time using a propertygrid control on my form, the property is greyed out as if it was readonly, and the ... box doesn't show up. What do I need to do to be able to edit my control at runtime? Tag: Draft font printing Tag: 90063
  - 12
    - PowerPoint and .NET - looking for components - do you know any? Hi I'm looking for a .NET commercial component that would allow me to create/edit ppt files, especially to handle emedded graphs - so far without a result. Do you whether such a component exists? TIA Simon Tag: Draft font printing Tag: 90059
  - 13
    - How to force a datagrid to redraw? Hi, I've a datagrid bound to a dataview, the problem is when I cancel the row delete, one of the rows in the datagrid disppears. If there is only one row in the grid that row disappears. If there are three rows and I cancel the deletion of the first row then the last row will disappear. The funniest part is the row will reappear if I click on the column header to sort it. I read another post in this forum which mentioned forcing the grid to redraw after cancelling the delete will solve the problem, but I can't find a way to force the redraw. I've tried grid.refresh, currencymanager.refresh, even cleared the databinding and rebound the grid, nothing happens. Can someone help me please. Thanks in advance, Debi ******************************************* Private Sub OnGrid_RowDeleting(ByVal sender As Object, ByVal e As DataRowChangeEventArgs) Try If Not Deleterow(sender, e) Then bUnDelete = True End If Catch ex As Exception WriteToErrorLog(ex.Message & "----" & ex.StackTrace) Finally End Try End Sub Private Sub OnGrid_RowDeleted(ByVal sender As Object, ByVal e As DataRowChangeEventArgs) Try If bUnDelete Then e.Row.RejectChanges() '''''''''''''''''''''''Redraw here???????????? End If Catch ex As Exception WriteToErrorLog( ex.Message & "----" & ex.StackTrace) Finally End Try End Sub Tag: Draft font printing Tag: 90058
  - 14
    - restricting maximising child form in MDI app Hi, iam facing a small probelm ... iam creating an MDI application in .net ver 2 and IDE is vb.net 2005 express. whenever i creates a form i sets the formborderstyle as "fixedtoolwindow" so that only close button will be there. No maximise and minimise buttons. but at the runtime if i double click on the titlebar of the childwindow it maximising itself to fill itself in the MDI app. i want to avoid this situation. can canybody help me how to do stop this ??... thanks in advance -- Deepson Thomas Tag: Draft font printing Tag: 90057
  - 15
    - setting datagrid column width according to data without looping Hi all, can anybody tell me any way to set the column width of all columns of a datagrid according the data. one thing i can do is check the whole data in acolumn and find the longest text and set the column width as the length of text. but if the number of rows and colums is more this solution not sounds good. basically i want to know any way to do this task without any loops ...iam using vb.net 2 in VS 2005 express beta 2. winforms. thanks in advance -- Deepson Thomas Tag: Draft font printing Tag: 90055
  - 16
    - Datagrid column Resizing event Hi all, iam currently working on winforms and iam using a a datagrid. in that when i click on the border of a column it adjusts itz width itself according to the data of that column. What i want to know is what even is fireing when i double click on the column border thanks in advance -- Deepson Thomas Tag: Draft font printing Tag: 90053
  - 17
    - Keeping track of checked nodes in treeview Hi I have a treeview where I want to perform some actions on only the checked nodes. I don't really want to have to traverse the entire tree every time, since it's a pretty big tree, so what I was trying to do was keep a list of all the checked nodes - I handle the aftercheck event so that every time a node is checked I add it to my list, and when it's unchecked I remove it from my list. This can become clumsy, though - for example, if I want to programmatically uncheck some nodes, I can't just iterate through my list and uncheck them, since that will modify the collection that I'm enumerating through. Is there a better approach that I'm missing? Tag: Draft font printing Tag: 90051
  - 18
    - Graphing tool Hello there Can any one please direct me to a site where i can purchase a graphing tool. The tool should have features engineering graphs, probability, youzooming and dynamic views. Thank you Tag: Draft font printing Tag: 90046
  - 19
    - How to lock CheckState in CheckedListBox? I have a CheckedListBox where some of the items are checked and some are not. I want the CheckState to be Read Only. Unfortunately, the Locked property doesn't seem to prevent the user from changing the CheckState. The CheckedListBox is on a Tab Control if that makes any difference. Any help is greatly appreciated. carl Tag: Draft font printing Tag: 90038
  - 20
    - Which form event to use? I want to show or hide controls on the form based on the value of an exiting public boolean value. Me.btnAddRow.Visible = bDataEntry Which form event does this belong in? putting it in the Form_Load event does not work. Should it be put in just after the initialize component? (I have verified that the boolean has the value.) Tag: Draft font printing Tag: 90037
  - 21
    - gdi+ book? Hi, there doesn't appear to be to many books on the topic. A couple of books had bad reviews on amazon. Im not wanting to get into really advanced gdi+ programming. I probably just use it to create controls. Nothing really advanced. Does Chris Sells book on Windows Forms go into enough detail with GDI+ Or do you need another book? If so which book would you recommend? Is " .NET Graphics and Printing: A Comprehensive Tutorial and Reference for Developers " any good? thanks, Brent Tag: Draft font printing Tag: 90032
  - 22
    - Console window appear when starting a win forms inside IE We have a winforms application that is started from IE. When we start the application with the URL (like www.myapp.com/OurApp.exe), a console window appear before the first form of our application. The console window stay until the application is close. Why this window is here ? The project property of the exe is -Output type --> Windows Application -Startup Object --> CoucheClient.ApplicationEit (this is a class within the assembly. She as a Sub Main function. -Root namespace --> Mtq.Eit. Thanks for your help ! Tag: Draft font printing Tag: 90028
  - 23
    - owner drawn ListBox repaint issues I am using variable height owner-drawn ListBox using new Visual Studio 2005 Beta. It appears to not repaint items in ListBox until I actually select them. In the constructor of my ListBox I call the following code: <code> this.DrawMode = DrawMode.OwnerDrawVariable; this.DrawItem += new DrawItemEventHandler(HandleDrawItem); this.MeasureItem += new MeasureItemEventHandler(HandleMeasureItem); this.HorizontalScrollbar = true; this.MouseDown += new MouseEventHandler(HandleMouseDown); this.MouseUp += new MouseEventHandler(HandleMouseUp); this.SetStyle(ControlStyles.ResizeRedraw | ControlStyles.OptimizedDoubleBuffer | ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint, true); this.UpdateStyles(); </code> Then in the DrawItem and MeasureItem code I do the following: <code> public void HandleDrawItem(Object sender,DrawItemEventArgs e) { if (e.Index < 0) return; e.DrawBackground(); //Draw control onto bitmap Control ctrl = (Control)this.Items[e.Index]; //using (Image tmpImg = new Bitmap(ctrl.Bounds.Width, ctrl.Bounds.Height)) //{ // using (Graphics g = Graphics.FromImage(tmpImg)) // { // Utils.ControlPainter.PaintControl(g, ctrl); // } // ////map ctrl location to viewport coordinates // //Point loc = ctrl.Location; // ////top left of viewport corresponds to // ////location of topCtrl // //Control topCtrl = (Control)this.Items[this.TopIndex]; // //loc.Offset(-topCtrl.Location.X, -topCtrl.Location.Y); // //g.TranslateTransform(loc.X, loc.Y); // e.Graphics.DrawImage(tmpImg, e.Bounds); //} e.Graphics.DrawString("item: " + e.Index, this.Font, Brushes.Blue, e.Bounds); e.DrawFocusRectangle(); } public void HandleMeasureItem(Object sender,MeasureItemEventArgs e) { if (e.Index >= this.Items.Count) { return; } Control ctrl = (Control)this.Items[e.Index]; ctrl.Location = nextLocation; e.ItemHeight = ctrl.Height; nextLocation.Y += e.ItemHeight; e.ItemWidth = ctrl.Width; HorizontalExtent = Math.Max(e.ItemWidth, HorizontalExtent); } </code> However, the painting doesn't appear to be done until I actually select the item. Do I need to invalidate the whole listbox initially and then every time I scroll? Tag: Draft font printing Tag: 90027
  - 24
    - *insert curse here* Hi I have a simple app where the user is prompted with a password dialog. When the password is being entered, the cursor is hidden as I assume is default XP behavior. The problem is when the user closes the dialog pressing the enter key (without any mouse movements done) the cursor will only reappear again when a mouse button has been clicked, not only by mouse movements. I have tried putting a Application.DoEvents() after the dialog closes but that only solves the problem when the cursor is located above the parent form. If the cursor is outside, it still won't reappear when moved back over the form. Any known reason for this? /Andreas Zita Tag: Draft font printing Tag: 90024
  - 25
    - MAPISendMail Hangs Hello Group! MAPISendMail hangs forever. It only works if in the VS.NET debugger I hit a breakpoint anywhere *after* MAPILogon and *before* MAPISendMail. Without breakpoint the app hangs forever on MAPISendMail. Funny thing is, if the app starts a minimised Notepad just before MAPISendMail, it (MAPI) will continue after which the app kills the Notepad proces. This is a very ugly trick. This problem occurs in a large MDI app but not in a small test Windows.Forms app! (If the MAPI calls are put on a separate thread then MAPILogin fails). What could be the reason and fix? Thanx in advance for any pointers, Marius. ----------------------- Some code snippets: ' hwnd = IntPtr.Zero or MDI.Handle: No difference ' flags = MAPI_LOGON_UI+MAPI_NEW_SESSION: No difference ' no problem dim result as Integer = MAPILogon(hwnd, Nothing, Nothing, MAPI_LOGON_UI, 0, session) Dim msg as MapiMessage msg.Subject = subject msg.NoteText = body msg.MessageType = "" msg.RecipCount = 1 Dim recip As MapiRecip recip.RecipClass = MAPI_TO recip.Name = toEmail size = Marshal.SizeOf(recip.GetType) ptr = Marshal.AllocHGlobal(size) Marshal.StructureToPtr(recip, ptr, False) msg.Recips = ptr ' *BLOCK* if no 'pause' msg = MAPISendMail(session, hwnd , msg, MAPI_LOGON_UI, 0) ' log off --- <DllImport("mapi32.dll")> _ Public Shared Function MAPILogon(ByVal hwnd As IntPtr, _ ByVal username As String, _ ByVal password As String, _ ByVal flags As Integer, _ ByVal reserved As Integer, _ ByRef session As IntPtr) As Integer End Function <DllImport("mapi32.dll")> _ Public Shared Function MAPILogoff(ByVal session As IntPtr, _ ByVal hwnd As IntPtr, _ ByVal flags As Integer, _ ByVal reserved As Integer) As Integer End Function <DllImport("mapi32.dll")> _ Public Shared Function MAPISendMail(ByVal session As IntPtr, _ ByVal hwnd As IntPtr, _ ByRef message As MapiMessage, _ ByVal flags As Integer, _ ByVal reserved As Integer) As Integer End Function <StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Ansi)> _ Private Structure MapiMessage Public Reserved As Integer Public Subject As String Public NoteText As String Public MessageType As String Public DateReceived As String Public ConversationID As String Public Flags As Integer Public originator As IntPtr Public RecipCount As Integer Public Recips As IntPtr Public FileCount As Integer Public Files As IntPtr End Structure <StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Ansi)> _ Private Structure MapiRecipient Public Reserved As Integer Public RecipClass As Integer Public Name As String Public Address As String Public EIDSize As Integer Public EntryID As IntPtr End Structure <StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Ansi)> _ Private Structure MapiFile Public Reserved As Integer Public Flags As Integer Public Position As Integer Public PathName As String Public FileName As String Public FileType As IntPtr End Structure -------- Tag: Draft font printing Tag: 90022
- Next
  - 1
    - Adobe Acrobat won't close I have the following code in VB.Net 2003 to open up a PDF document using Adobe Acrobat 5.0. It opens up and closes pdf document and Acrobat application fine at the first time but the second time Acrobat's File->Exit or clicking on X to close Acrobat won't close application. The document is able to close and I have to use Task Manager to close application. Any suggestions? Dim AcroApp As Acrobat.CAcroApp Dim PDDoc As Acrobat.CAcroPDDoc Dim avDoc As Acrobat.CAcroAVDoc AcroApp = CreateObject("AcroExch.App") PDDoc = CreateObject("AcroExch.PDDoc") If PDDoc.Open(MyPdfFile.pdf) Then 'PDDoc.Magnification(200) AcroApp.Show() AcroApp.Maximize(100) avDoc = PDDoc.OpenAVDoc("") Else MsgBox("Unable to open the PDF file", vbInformation) End If avDoc = Nothing PDDoc = Nothing AcroApp = Nothing Tag: Draft font printing Tag: 90016
  - 2
    - Serializing changes made to control via custom designer to source Got a custom designer that changes the arrangement of subcontrols in a custom control. It works fine, but if I save the form/rebuild the solution, exit out, and re-open the form, the subcontrols are back to their original place. I know I have to change how the custom control is serialized back to the code, and I believe it has something to do with Type Converters, but all I can find is information on how to serialize properties. Since this is not a property, but the order subcontrols are added to the custom control, I don't know how to deal with this. How do I go about doing this? TIA. Tag: Draft font printing Tag: 90014
  - 3
    - How can I remove the System Menu? I have a mdiparent form without any controls. It contains one midchild form. When the mdichild form maximizes, its System Menu appears (in upper left and right corners) and the system menu occupies part of the mdiparent form. Is there any way to remove the system menu and the part occupied? Thank you very much. Tag: Draft font printing Tag: 90012
  - 4
    - Siziing UserControls via a custom ControlDesigner We need to know which edge of a UserControl is being stretched when in design mode. We've created our own CustomControlDesigner, derived from ControlDesigner for our UserControl. We can't find a way to determine which edge of the Designer/Control is being stretched when the control is being resized in design mode. We want to resize different fields within the UserControl, based on the edge being dragged. There does not appear to be a way to get a mouse-down event before the resize to see which edge the user is being dragged. Any Ideas? Thanks Tag: Draft font printing Tag: 90011
  - 5
    - Can I Word document in a Windows Form in .NET? I have tried the Microsoft Web Browser Control (shdocvw.dll) but there are a few issues with this such as the missing toolbar buttons and so on. Has anyone created or know of a control that wraps Word but leaves all of it's power intact? Thanks. Tag: Draft font printing Tag: 90005
  - 6
    - Another 'The variable is either undeclared or was never assigned' Hi all, I've created an user control with an 'Enum' property in a windows lkibrary (dll), like this public enum ComboBoxTypes { Null, Task, Content, Language, Format, SectorType } private ComboBoxTypes comboBoxType = ComboBoxTypes.Null; // default public ComboBoxTypes ComboBoxType { get { return comboBoxType; } set { comboBoxType = value; } } So I've created new WinApplication and I've try to add my control to mainform, and by design set ComboBoxType property Now everytime I try to open mainform in design mode message "The variable 'ComboBoxTypes' is either undeclared or was never assigned." appears and inside InitializeComponent() function mycontrol.ComboBoxType resets to ComboBoxTypes.Null Why??? Thanks al lot Edo Tag: Draft font printing Tag: 90002
  - 7
    - Reference to "My Pictures" folder From within a C# windows application, how can I get a reference (full path) to the current user's "My Pictures" or "My Documents" folder ? Please include any namespace references I'll need. Thanks. Tag: Draft font printing Tag: 90001
  - 8
    - StackOverflowException when creating a new object Hi all. I am creating an apliction dll for my project. the call lib use a custom class, when i try to create a new object of the class it wiill generate a StackOverflowException. i am not using any Recurse function in the class. the exception occures even befor exicuting the objects constructor. please help me Tag: Draft font printing Tag: 90000
  - 9
    - LongHorn Style Windows Form Hi Guys, After seeing a longhorn screen shot, I got excited by its windows style. The form of it is half transparent, and the client area is opaque. Did anyone successfully implement this style of form? I tried many ways, but can find the road to it. Kit Tag: Draft font printing Tag: 89999
  - 10
    - .NET - MDI - Container - (Internet Explorer) ActiveX loses parent Hi everyone, We are currently developing an application in C# which has MDI forms. Each MDI form has a detach-button which removes the form from its parent and displays it as a regular form. In .NET, you can use the System.Windows.Forms.Form.MdiParent property. Everything seems to work when regular .NET controls are part of the MDI form. However, if there's an ActiveX control on the form, it loses its parent and gets drawn somewhere on the screen, floating, not part of the MDI parent and not part of the MDI form. This is the case with for example the Internet Explorer ActiveX (shdocvw), the Remote Desktop ActiveX (msrdp) and probably a lot of others. We did not have that problem with a third-party component, which seems to remember its direct parent. I guess we forgot something in the approach on how to handle the microsoft ActiveXs. Has anybody a clue for this problem? We already checked every property of the AxHost and Form (container, toplevelcontrol, toplevel, parent, ...) but they're all updated correctly after the detach. We also tried to toy with the SetChildIndex function... Here are the important snippets of a sample application, full source upon request. Project consists of 2 forms, MainForm (the MDI parent) and ChildForm (the MDI child). --- MainForm Load event : Start --- this.IsMdiContainer = true; ChildForm child = new ChildForm(); child.MdiParent = this; child.ShowInTaskbar = false; child.Show(); child.ChangeUrl(); --- MainForm Load event : Stop --- ChildForm has one button (DetachButton) and an Internet Explorer ActiveX (Microsoft Web Browser from the Microsoft Internet Controls) --- ChildForm : DetachButton event : Start --- private void DetachButton_Click(object sender, System.EventArgs e) { this.MdiParent = null; this.ShowInTaskbar = true; ChangeUrl(); } --- ChildForm : DetachButton event : Stop --- --- ChildForm : Public method : Start --- public void ChangeUrl() { axWebBrowser1.Navigate("http://www.microsoft.com"); } --- ChildForm : Public method : Stop --- Run the application and the MDI form will show the microsoft-website. Click detach and the form will be detached from its parent. The ActiveX starts floating and is not part of the ChildForm anymore. Thanks for your time! Wim Verbeke Tag: Draft font printing Tag: 89996
  - 11
    - Howto :: Multiline DataGridView :: More precisely a Multiline DataGridViewTextBoxColumn Hi, I found less in the docs about a Multiline DataGridView. More precisely a Multiline DataGridViewTextBoxColumn --------------- I found the following infos: multiline datagridview cells? ... http://forums.microsoft.com/msdn/ShowPost.aspx?PostID=4334 DataGridViewCellStyle.WrapMode Property ... http://whidbey.msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/P_System_Windows_Forms_DataGridViewCellStyle_WrapMode.asp Sizing Options in the Windows Forms DataGridView Control ... http://msdn2.microsoft.com/library/74b2wakt(en-us,vs.80).aspx --------------- This example works for me, but does anyone have any suggestion for improvement? dgv.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.AllCells; DataGridViewCellStyle cellStyle = new DataGridViewCellStyle(); cellStyle.WrapMode = DataGridViewTriState.True; dgv.Columns["LongText"].DefaultCellStyle = cellStyle; Greetings Gordian Tag: Draft font printing Tag: 89994
  - 12
    - Performance of Panel.Control.Clear Hello folks, for showing data from my database i use a Master-Panel which have added Detail-Panels for each row of the dataset. Inserting the Detail-Panels running this code disDetails.Controls.Clear() For Each r As DataRow In myDataSet Dim p As myDetailPanel p = New myDetailPanel(r) p.Dock = DockStyle.Top disDetails.Controls.Add(p) p.SendToBack() Next If i chance to the next Masterrecord and displaying the new Detailrows (maximum 15 rows) i have to wait 1-5 seconds. Cause of this bad performance I inserted "Debug.Writeline(Datetime.now.ticks)" and found that most of this time (80%) will used for running the Controls.Clear() statement. Thanks in advance for any help to get a better performance. Niels Tag: Draft font printing Tag: 89993
  - 13
    - Howto :: Multiline DataGridView :: More precisely a Multiline DataGridViewTextBoxColumn Hi, I found less in the docs about a Multiline DataGridView. More precisely a Multiline DataGridViewTextBoxColumn --------------- I found the following infos: multiline datagridview cells? ... http://forums.microsoft.com/msdn/ShowPost.aspx?PostID=4334 DataGridViewCellStyle.WrapMode Property ... http://whidbey.msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/P_System_Windows_Forms_DataGridViewCellStyle_WrapMode.asp Sizing Options in the Windows Forms DataGridView Control ... http://msdn2.microsoft.com/library/74b2wakt(en-us,vs.80).aspx --------------- This example works for me, but does anyone have any suggestion for improvement? dgv.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.AllCells; DataGridViewCellStyle cellStyle = new DataGridViewCellStyle(); cellStyle.WrapMode = DataGridViewTriState.True; dgv.Columns["LongText"].DefaultCellStyle = cellStyle; Greetings Gordian Tag: Draft font printing Tag: 89992
  - 14
    - Not sure of the subject... I have an app that allows users to supply custom values for various calculations; about 43 of them. I use checkboxes to identify the use or lack there of, of a custom value. I need to be able to tell when the check state changes. Instead of coding for each one of the 43 check boxes and text boxes, I'd like to have one sub that checks. I thought I would just add the name of the textbox to the checkbox tag and ctype it but I get an invalid cast exception. Here's what I am trying to accomplish: Private Sub chkFlightBlock_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles chkFlightBlock.CheckedChanged, ...., ...., chkAnotherCustom Dim ctl As TextBox ctl = CType(sender, CheckBox).Tag ctl.Enabled = CType(sender, CheckBox).Checked If CType(sender, CheckBox).Checked Then ctl.BackColor = System.Drawing.SystemColors.Window Else ctl.BackColor = System.Drawing.SystemColors.Control End If End Sub In essence, I'd like to store the name of the textbox in the checkbox and handle my code in one area instead of many different subs. Any help would be great. Thanks, Brian Tag: Draft font printing Tag: 89990
  - 15
    - How to run method on Form Load? The method I want to run when my (Windows Forms app) form loads is an event triggered by a radio button selection: private void optColors_CheckedChanged(object sender, EventArgs e) But when the form is loading, there is no sender - so the below code fails: RadioButton opt = (RadioButton)sender; //exception if (opt.Checked) { string strOpt = opt.Name; setCbo(strOpt); } What I need to do is somehow check if the sender is there, and if not, set strOpt to a default value - something like this: if (sender) //pseudo code { RadioButton opt = (RadioButton)sender; } else { //code to run on Form Load only RadioButton opt = this.optColors; } if (opt.Checked) { string strOpt = opt.Name; setCbo(strOpt); } How do I check for a valid sender? Do I check for EventArgs e instead? Thanks in advance. Tag: Draft font printing Tag: 89983
  - 16
    - Validating grid data Hi, I am using the winforms datagrid and want to validate the data in the cells as I leave them. If the data is invalid I want to notify the user and focus him back on that cell. I have a number of textbox columns and one combobox column. I configured those fine with the column grid styles and have validation code hooked up to them. My problem is getting back to the cell that was just validated. I use the CurrentCellChanged event to capture the cell change but the CurrentCell property indicates the new cell. I would like to set the focus back to the cell that failed validation but I can't seem to figure out where that information might be saved. I can kludge the recording of the cell prior to the cell change, but it isn't convenient. Also, the validation event doesn't get triggered unless the column changes. Is there a way to get the validation event going in this case? I'm brute-forcing a call to it from the CurrentCellChanged event. It seems to me that there must be a better way. Thanks in advance for all your help. -George Tag: Draft font printing Tag: 89982
  - 17
    - REPOST - How to Detect Windows is in Fullscreen Mode? I still haven't found an answer for this. I'd thought I'd try the group again. I have a system tray app that makes visible a windows form based on a timer. I want to override the timer and not have the windows form pop up if a user is in full-screen mode, i.e. a Powerpoint Presentation or a full-screen video. Does anybody know how my application might detect when the user is in full-screen video mode? Other popular windows programs do this effectively, like the Outlook incomming message pop-up and Instant Messenger. Thanks in advance. Tag: Draft font printing Tag: 89981
  - 18
    - ClickOnce after MSI Deployment I have a customer who wants to leverage ClickOnce for a WinForms app deployment from an IIS server. Some of their users are remote and only occasionally connected to the internet. As a result, they would like to have an alternate MSI installer for the app for those users who cannot get to the IIS server. My question: is there any way to take an app that is deployed via MSI and then point it at a ClickOnce publication after the fact? (and be brought up to the latest version of the published app?) Thanks, -- Darren Shaffer .NET Compact Framework MVP Principal Architect Connected Innovation www.connectedinnovation.com Tag: Draft font printing Tag: 89980
  - 19
    - Drag drop is driving me INSANE! Why is it that: e.Data.GetDataPresent("WindowsForms10PersistentObject") returns true, and e.Data.GetData("WindowsForms10PersistentObject") returns null? Is it Friday yet? Tag: Draft font printing Tag: 89977
  - 20
    - VB.Net Calling VB Form Hello All, I have a application that has a VB.Net form with search text box, a listview and a button. Once the user clicks on a button, it will populate the listview with some results. Once the user double clicks on a result, it will open up a VB6 form. The form is still VB6 because the .Net piece is not written yet. Anyways, the VB6 form has a "Tab Control" on it. Here is my problem. Once I click on the tab control on my VB6 form. Then if I click back to the .Net search form using the bottom task bar. Once I try to enter in a new search. My VB6 form will set focus back to itself and appear on top. Any Suggestions!!!!! Thanks, Mark Tag: Draft font printing Tag: 89975
  - 21
    - OnClosing event doesn't close form Hi Group, I raise OnClosing event in a handler of a menu item. It invokes the OnClosing registered delegate but it doesnot close the form. But if i click on the close icon [X] of the form it invokes the OnClosing registered delegate and then closes the form. Can anyone help why same event handler (OnClosing) have different behaviour when invoked from code or clicked on from close button [X]. // Following is the menu event handler raising OnClosing event. private void miExit_Click(object sender, System.EventArgs e) {base.OnClosing(new CancelEventArgs(false)); } Thanks. Tag: Draft font printing Tag: 89972
  - 22
    - Command Line Paramater Is there a way to add a paramater to opening the application? For instance. If I have a windows form that will modify a registry value, and I'd like to set it up so that it either closes after it runs, or it stays open. What I'd like to do is add a paramater to the command line that will indicat this. Like: c:\editreg.exe -close and the "-close" paramater would be passed into a variable somehow that would allow me to program it so that the program would automatically close when it's finished running... Any other ways I can accomplish this? Tag: Draft font printing Tag: 89969
  - 23
    - UI Cues not updating in designer Got a custom container control that contains other custom subcontrols that have a custom designer. The subcontrol's designer has a couple verbs that fire off events that changes the order of that subcontrol in the parent custom control. It's another version of the collapsible panel bar, where in designer you can right click on a panel and move it up or down in the panel bar. The problem I'm having is that when I move a panel, the UI cues don't get updated. The panels will move, but the selection highlight will not move with the panel. It appears that a different control is selected than actually is. Clicking on a different panel will update the cues (except when you click on the control that is highlighted incorrectly -- the cues already indicate it is selected, so no change appears to have been made). I can't find any information on how to refresh the cues. I've tried Invalidate and Refresh in the custom container control, but they don't work. TIA. Tag: Draft font printing Tag: 89966
  - 24
    - how to add editable unbound checkbox to windows form bound datagrid I need to add an editable unbound checkbox to a windows form bound datagrid using vb.net. Help! Tag: Draft font printing Tag: 89965
  - 25
    - Asynchronous Drag and Drop I am trying to implement Asynchronously Drag and Drop from my windows application developed in c#. I 'd like a behavoir like winzip i.e. : when I drop on the target (a folder or the desktop) my file is not yet available and I want to start an asynchronous filetransfer managed from my application. At the end of this transfer, the drop target take the control and call the dodrop method and store the file. >From MSDN (http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/shell/programmersguide/shell_basics/shell_basics_programming/transferring/datascenarios.asp) I understand that this scenario is possible with a class that implement IDataObject and IASyncOperation interface. .NET give us the DataObject class that implement IDataObject but I can't find nothing about IASyncOperation (it isn't in shell32.dll). How can I implement it? Anyone has suggestions? Why it's so hard to find example about asynchronous D&D in .NET Thanks Tag: Draft font printing Tag: 89959

Does someone know how to print draft font using plain c# (PrintDocument) ?
or some 3 party NET component ?
I have an Intermec termal printer and wuold like to print a small report
using printer fonts (for barcode).
I can do this easily with msaccess using a label and selecting installed
intermec printer specific fonts. But these fonts doesn't seem to be
available on c# (using Font class).

Some hint ?
Thanks in advance

Top

Re: Draft font printing by Bob

Bob
Sat Jul 16 04:36:02 CDT 2005

This should get you going...

http://support.microsoft.com/?kbid=322091

--
Bob Powell [MVP]
Visual C#, System.Drawing

Ramuseco Limited .NET consulting
http://www.ramuseco.com

Find great Windows Forms articles in Windows Forms Tips and Tricks
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"Andrea" <Andrea@nospam.it> wrote in message
news:ugGUExUiFHA.1416@TK2MSFTNGP09.phx.gbl...
> Does someone know how to print draft font using plain c# (PrintDocument) ?
> or some 3 party NET component ?
> I have an Intermec termal printer and wuold like to print a small report
> using printer fonts (for barcode).
> I can do this easily with msaccess using a label and selecting installed
> intermec printer specific fonts. But these fonts doesn't seem to be
> available on c# (using Font class).
>
> Some hint ?
> Thanks in advance
>
>
>

Top