Using tabs within a window

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  - 1
    - Form Loses AcceptButton Property I have a windows form that has an OK and Cancel button. I have set them as the form's AcceptButton and CancelButton respectively. Every now and again when I run my program I find that they do not work when I hit Enter and Esc. I go back to Visual Studio and I see that the AcceptButton and CancelButton properties are no longer set. Any idea what may be causing this? Tag: Using tabs within a window Tag: 107094
  - 2
    - Show loginwindow before MainWindow I have an application which uses a main window. But before showing the Main Window (which is best done by Application.Run(new MainWindow();) I need to show a Login Window. When the login fails, the application should terminate but when the login is successful the loginwindow should be destroyed and the main application window should be presented to the user. What is the best way to do it? -Can I call loginwindow.Showdialog() before calling Application.Run(new MainWindow() -Or should I create and show the loginwindow, then call Application.Run() without a form as parameter and within the loginwindow either call application.exit() or instantiate the MainWindow and upon closing the mainwindow call application.exit(). Regards Stephan Tag: Using tabs within a window Tag: 107091
  - 3
    - Embedded Excel in Windows Form Hello, I want to display an Excel file in a userform in vb.net. I realized this by using the "Browser" Component as described in Microsofts KB an it works good. Now I want to edit the Excel sheet displayed in the webbrowser component. How can I get access to the already running Excel Application? I found an example like this: Private Function GetActiveWorkbook(ByVal _strFileName As String) As Excel.Workbook Dim pRot As IRunningObjectTable = Nothing Dim pMonikerEnum As IEnumMoniker = Nothing Try 'Running object table (ROT) erstellen GetRunningObjectTable(0, pRot) If pRot Is Nothing Then Return Nothing End If 'pRot in pMinokerEnum laden pRot.EnumRunning(pMonikerEnum) pMonikerEnum.Reset() Dim monikers() As IMoniker = New IMoniker(0) {} While (pMonikerEnum.Next(1, monikers, IntPtr.Zero) = 0) Dim pCtx As IBindCtx = Nothing Dim strDisplayName As String = String.Empty CreateBindCtx(0, pCtx) monikers(0).GetDisplayName(pCtx, Nothing, strDisplayName) Marshal.ReleaseComObject(pCtx) If (strDisplayName.Contains(_strFileName) = True) Then Dim objWorkbookHandle As Object = Nothing ' Get a handle on the workbook pRot.GetObject(monikers(0), objWorkbookHandle) Return CType(objWorkbookHandle, Excel.Workbook) 'Return objWorkbookHandle End If End While Catch Return Nothing Finally If (Not (pRot) Is Nothing) Then Marshal.ReleaseComObject(pRot) End If If (Not (pMonikerEnum) Is Nothing) Then Marshal.ReleaseComObject(pMonikerEnum) End If End Try Return Nothing End Function Function AttachApplication() As Excel.Application Try ' Workbook xlsWebWorkbook = GetActiveWorkbook(filename) If (xlsWebWorkbook Is Nothing) Then Return Nothing End If ' Excel Application xlsWebApplication = xlsWebWorkbook.Application Return xlsWebApplication Catch MessageBox.Show("Excel error") Return Nothing End Try End Function this works also very good BUT, if my vb.net application is running and the a excelfile is opend in it and the application is assigend to the running excel process and then i would open a other excel file in normal excel it wont work. sometimes the excel in the vb. net app is freezing an the "new" excel works on or the "new" excel freezes an the .net app works fine. I couldnt find a solution for this problem so i tried to ask here. Thank you very mutch for helping an posting. regards Jo Tag: Using tabs within a window Tag: 107089
  - 4
    - MDI child icon When my MDI child loads maximized it displays default Microsoft icon even if there is a custom icon assigned to form already. If I do minimize/maximize then it comes with my custom icon. Does anybody know how to fix it? Tag: Using tabs within a window Tag: 107087
  - 5
    - Row highlight after deleting row in datagridview When I delete a row in the datagridview, the row selector points to the correct row, but the blue row highlight disappears. Anyone know an easy way of turning this back on for the applicable row? Tag: Using tabs within a window Tag: 107085
  - 6
    - how to display data in crystal reports in vb.net2005 windows based desktop application? Hi friends, we have developed a windows desktop application in vb.net 2005 with MS-Access as backend ,our problem is we have to display data from a datagridview to a crystal report,we have written the code to display in crystal reports it is working in the system in which we developed but when the setup is installed in another computer it is displaying database login screen asking for login id and password,can any one know what is the problem or can anyone used crystal reports in windows based desktop applicaitons in .net 2005 ,plz send the code or examples or links related to this issue or any articles on this issue,plz reply to me as soon as possible,waiting for ur reply. thanks in advance. bye gurunadh Tag: Using tabs within a window Tag: 107082
  - 7
    - Modal dialog box issues... In my application I show some dialog box. Particularly there is an auto-save dialog box (i.e. a SaveFileDialog) , which is shown with a timer. Of course it's modal (shown with ShowDialog()) I should also say that my Application is using multiple Form, i.e. I start with Application.Run() (without the form argument) and I could have many document windows. Now the problem is, if the auto-save of my program start when the user is using an other aplpication (say Paint.NET for example), when the user click back on my app, sometimes the modal SaveFileDialog is behing the app's other form. Clicking on the form just beep, and the user have to use ALT+TAB to show the SaveFileDialog, but some people might think my app is just buggy. What can I do to avoid this behavior? -- Regards, Lloyd Dupont NovaMind Software Mind Mapping Software <www.nova-mind.com> Tag: Using tabs within a window Tag: 107081
  - 8
    - Choosing a ContextMenu item with a right click? Does the .NET framework still not support something as basic as being able to specify that the right mouse button should be allowed to select items in a context menu? I found a post from 2002 which presented an ungly, subclassing-based workaround. However, in browsing the MSDN library I don't find any obvious property that tells the ContextMenu or ContextMenuStrip control that it should respond to right clicks. Tag: Using tabs within a window Tag: 107080
  - 9
    - how to map window keys to a windows forms program Hi I've just seen slickrun and I like the idea of being able to bind a key sequence to my own programs in this manner, any idea how I can do this in C#? Or is it a Win32 thing? ta C Tag: Using tabs within a window Tag: 107079
  - 10
    - Data Form Wizard What has taken the place of the Data Form wizard in VS2005? Tag: Using tabs within a window Tag: 107078
  - 11
    - ClickOnce - How to add config file to list of files that get published This (seemingly) simple item has escaped me after pouring over tons of posts about ClickOnce. How does one add a config file (myapp.exe.config) to the list of executables and dlls that get published with a ClickOnce application? All I want to do has have a standard config file get dropped down in the folder where the application gets run from. I don't want to have to edit the manifest every time I publish. When you go to the publish tab in the project settings and click on the "Application Files" button, it seems to find the EXE, and DLLs correctly. How can I make sure that my config file gets added to that list as well? TIA Roy Tag: Using tabs within a window Tag: 107075
  - 12
    - How to dynamically resize form and add controls Hi, *I originally posted this in c# but was advised to repost here. I'd really appreciate any answers you may have, i'm programming using Visual Studio C# Express. Thankyou* I will outline what i'm trying to do here, and would really like to here your suggestions of how I can do it please. I have some code which finds the open internet explorer windows. I would like to display a form that allows the user to choose one of these windows. I have generated an arraylist which contains all internet explorer window objects, and I am able to count how many there are and retrieve information from each by using properties such as arraylist.count My question is how do i build a form that displays the name and url's of the windows? do i use labels? do I use text boxes? How do i automatically assign the right number to handle however many internet explorer windows are open? Sometimes there may be 2 windows open, sometimes there may be 15... etc... Just to stress i'm not asking how I actually determine url addresses etc.. from internet explorer, after much learning i can now do this. I'm asking about the construction of a (dynamic?) form to display this information. The idea is my user will select one of the windows they want to work with from this form. *I am a beginner please remember! TIA Gary. Tag: Using tabs within a window Tag: 107072
  - 13
    - How to print a ListView? Hi everyone, this should be a quick question. I am use ListView control to bind some date,now I need to print the infor in ListView.Howeve,there is not some method call ListView.Print(), So anyway, if anyone knows of how to deal with that, I'd love to hear about it. Thanks! Kiven Lee Tag: Using tabs within a window Tag: 107066
  - 14
    - How to reference a control Hi, If the control's name is stored in a string one can iterate through the controls collection of a form to access the control. dim s as string="chkIsValid" dim chk as CheckBox for each ctl as control in me.controls if typeof ctl is CheckBox andalso ctl.name.tolower=s.tolower then chk=ctype(ctl,Checkbox) exit for end if next Is there a faster (and more elegant) way to do so? Thanks Leo Leys Tag: Using tabs within a window Tag: 107061
  - 15
    - Bind ApplicationSettings to RadioButton Hello, I want to offer a three-choice option in my c# winforms-app. To I would like to bind this setting to three radiobuttons. How can I bind a radiobutton to one of the three values this option can carry? There is only a "checked"-binding. I hope someone can help me! Thank you! Regards, uwe Tag: Using tabs within a window Tag: 107057
  - 16
    - MI5 Persecution: BBC h2g2 online BBC h2g2 16/Sept/1999 The BBC's h2g2 website is billed as "Earth Edition of The Hitchhiker's Guide to the Galaxy!". Naturally, one of its pages is about me, me, me. It starts off with the lines; Every now and then something comes along which makes you think "Ah! That's what the Internet is for!" Mike Corley is one such case. The page itself can be found at http://www.bbc.co.uk/dna/h2g2/alabaster/A164404 The user comments linked from h2g2 are less than respectful, but given the point of view my website promulgates that is understandable. It's true that without the communications ability afforded by the internet, which came along at just the right time, my complaints would be getting nowhere. But that's a two edged sword also; miniature cameras only appeared around 1990, so the advantage of technology is up to the adopter. Secret service intrigues, and on the other side of the coin human paranoia, have both been going on for centuries; what changes now is an increased technologisation of both sides. 400 -- Posted via a free Usenet account from http://www.teranews.com Tag: Using tabs within a window Tag: 107051
  - 17
    - Control.Remove() increases CPU usage and hangs application Hey guys, I have an app where i create a text box dynamically on a control and user enters something and once looses focus (leave event) i remove it from the user control. Once i try to focus another control in the app, Control.Remove() hangs the app and when i see the stacktrace Control. (app hangs in the Control.GetNextControl() method. here is code to create and remove textboxes. am i missing something? Do i need to use GC.Collect()??? any help would be appreciated. private void GenerateTextBox(Point location, Size size) { if (textArea_ == null) { this.SuspendLayout(); /Code for dynamically displaying the textbox for inline editing textArea_ = new TextBox(); textArea_.Location = location; textArea_.Size = size; textArea_.Multiline = true; textArea_.MaxLength = 200; textArea_.BorderStyle = BorderStyle.FixedSingle; textArea_.Leave += new EventHandler(this.textArea_Leave); textArea_.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); textArea_.KeyDown += new KeyEventHandler(textArea_KeyDown); this.Controls.Add(textArea_); textArea_.Focus(); textArea_.BringToFront(); this.ResumeLayout(); } } //Method to remove the dynamic text box from the area private void RemoveTextBox() { if (textArea_ != null) { this.SuspendLayout(); if (this.Controls.Contains(textArea_)) { textArea_.Leave -= new EventHandler(textArea_Leave); this.Controls.Remove(textArea_); textArea_.Dispose(); textArea_ = null; } this.ResumeLayout(); } Tag: Using tabs within a window Tag: 107046
  - 18
    - DataGrid and Relationships Hello, I have a View that has a relationship between two tables. It works well for what I am doing, but I want to hide the child rows in my datagrid. I only want the data from table1 to show in the grid without the "+" sign. Is there a way to accomplish this? Thanks, Chuck Tag: Using tabs within a window Tag: 107045
  - 19
    - combobox with checkbox list dropdown Does anyone know of a third-party control that allow users to choose multiple items from a combobox drop down through use of checkboxes in the list? This functionality is provided in microsoft office pivot tables, where the user can filter for multiple values in a pivot table column or row item. Thanks! Tag: Using tabs within a window Tag: 107044
  - 20
    - PrintPreview margins not displaying I have a .NET 1.1 windows form ap from which I'm trying to allow the user to print out the form. I use the bitblt function in gdi32.dll to capture the image of the form and turn it into a bitmap for printing. The problem that I'm currently having is that the print preview dialog on the form does not show the page margins when it displays the preview. Relevent code is attached. As well, if someone know how I can properly scale the image to fin on to the page if it's too big, that would be a great help too. Thanks, Evan Bitmap formImage; private PrintDocument pd = new PrintDocument (); private PrintPreviewDialog printPreviewDialog = new PrintPreviewDialog(); private System.Windows.Forms.PageSetupDialog pageSetupDialog; printPreviewDialog.Document = this.pd; private void printMenuItem_Click(object sender, System.EventArgs e) { this.GetFormImage(); pd.Print(); } private void pd_PrintPage (object sender, System.Drawing.Printing.PrintPageEventArgs e) { e.Graphics.DrawImage (this.formImage, 0, 0); } private void GetFormImage() { Graphics mygraphics = this.CreateGraphics(); this.formImage = new Bitmap (this.Size.Width, this.Size.Height, mygraphics); Graphics memoryGraphics = Graphics.FromImage(this.formImage); int bordersize = (this.Width - this.ClientRectangle.Width) / 2; int titlebarHeight = (this.Height - this.ClientRectangle.Height) - bordersize; IntPtr sourceHandle = mygraphics.GetHdc(); IntPtr destinationHandle = memoryGraphics.GetHdc(); BitBlt(destinationHandle, pd.DefaultPageSettings.Bounds.X, pd.DefaultPageSettings.Bounds.Y, this.Width, this.Height, sourceHandle, 0 - bordersize, 0 - titlebarHeight, 13369376); mygraphics.ReleaseHdc(sourceHandle); memoryGraphics.ReleaseHdc(destinationHandle); } [DllImport("gdi32.dll")] static extern bool BitBlt(IntPtr hdc, int nXDest, int nYDest, int nWidth, int nHeight, IntPtr hdcSrc, int nXSrc, int nYSrc, uint dwRop); private void printPreviewMenuItem_Click(object sender, System.EventArgs e) { this.GetFormImage(); printPreviewDialog.ShowDialog(); } private void pageSetupMenuItem_Click(object sender, System.EventArgs e) { this.GetFormImage(); this.pageSetupDialog.ShowDialog(); } Tag: Using tabs within a window Tag: 107042
  - 21
    - How to find which column is sorted in DataGrid control I have in VB.NET 2005 a DataGrid control placed within a Windows form and the property AllowSorting = True in order to allow users to further sort by any column they want. The datagrid is based on a TableSet (not on a view). How can I find during run-time at a certain moment if the DataGrid was re-sorted by user by a certain column (and which is this column and if it is sorted ascending or descending) or if datagrid was not re-sorted at all? Thanks, Tag: Using tabs within a window Tag: 107039
  - 22
    - MI5 Persecution: cost of the operation -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= -= MI5: cost of the operation -= -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Here's what a couple of other people on Usenet (uk.misc) had to say regarding the cost of running such an operation... PO: >Have some sense, grow up and smell reality. What you are talking about PO: >would take loads of planning, tens of thousands of pounds and lots of PO: >people involved in the planning, execution and maintenance of it. You PO: >must have a very high opinion of yourself to think you are worth it. PM: >But why? And why you? Do you realize how much it would cost to keep PM: >one person under continuous surveillance for five years? Think about PM: >all the man/hours. Say they _just_ allocated a two man team and a PM: >supervisor. OK., Supervisor's salary, say, #30,000 a year. Two men, PM: >#20,000 a year each. But they'd need to work in shifts -- so it would PM: >be six men at #20,000 (which with on-costs would work out at more like PM: >#30,000 to the employer.) PM: > PM: >So, we're talking #30,000 x 6. #180,000. plus say, #40,000 for the PM: >supervisor. #220,000. Then you've got the hardware involved. And PM: >any transcription that needs doing. You don't think the 'Big Boss' PM: >would listen to hours and hours of tapes, do you. PM: > PM: >So, all in all, you couldn't actually do the job for much less than PM: >a quarter million a year. Over five years. What are you doing that makes PM: >it worth the while of the state to spend over one and a quarter million PM: >on you? Those are pretty much the sort of calculations that went through my head once I stopped to consider what it must be costing them to run this operation. The partial answer is, there have been periods when the intensity has been greater, and times when little has happened. In fact, for much of 1993 and the first half of 1994, very little happened. Although I don't think that was for reasons of money - if they can tap into the taxpayer they're not going to be short of resources, are they? The more complete answer is in the enormity of what they're doing. Relative to the cost to British pride of seeing their country humiliated for the persecution of their own citizens, isn't is worth the cost of four or five people to try to bring things to a close in the manner they would wish? To the government a million or two is quite honestly nothing - if they can convince themselves of the necessity of what they're doing, resources will not be the limiting factor. 400 -- Posted via a free Usenet account from http://www.teranews.com Tag: Using tabs within a window Tag: 107031
  - 23
    - Tool to convert VS 2005 (2.0) DLL or code to VS 2003 (1.1) Is there a tool to convert VS 2005 (2.0) DLL or code to VS 2003 (1.1)? If yes, pls give me the details Regards, Baskar C.G Tag: Using tabs within a window Tag: 107020
  - 24
    - Msg: "Not a Microsoft .NET module" Hi I am trying to add a DLL which is developed in VS 2005 to my project (VS 2003). I get following error message. "FileName.dll not a Microsoft .NET module" Do i need to convert this DLL to Framework 1.1 compatible to add it in my project? If yes, is there a tool to do this? Kindly reply. Regards, Baskar C.G Tag: Using tabs within a window Tag: 107019
  - 25
    - How to add two buttons with textbox in a single cell of Hi, I want to show one text box and two buttons in a cell of a column in a datagridview. Any Clues? EggHeadCafe.com - .NET Developer Portal of Choice http://www.eggheadcafe.com Tag: Using tabs within a window Tag: 107017
- Next
  - 1
    - are wombats good? I'm not really sure whether Wombats are any good. The picture on Wikipedia looks like a horrid little Pig. Quite Obscene. Just not English. 400 -- Posted via a free Usenet account from http://www.teranews.com Tag: Using tabs within a window Tag: 107016
  - 2
    - Initializing a RichTextBox Hi; What's the best way to initialize a RichTextBox.Rtf value. I'd prefer to do it from a resource so the text is in the exe file. -- thanks - dave david_at_windward_dot_net http://www.windwardreports.com Cubicle Wars - http://www.windwardreports.com/film.htm Tag: Using tabs within a window Tag: 107014
  - 3
    - Making Control Topmost I know that Windows Forms provide a TopMost property to ensure it is on top. How can I force a Control to be TopMost? I have a usercontrol that will be consumed by several forms and I need it to remain the topmost control when it appears on a form even though other controls may be added to the form during design time. How can I bring a control to the front, or keep it in front? Tag: Using tabs within a window Tag: 107010
  - 4
    - Moving a form and a panel in parallel should not be as difficult ?!?!?!? Hi! I=B4m developing a screen-capture application. My Idea is to cover the whole screen with a semi-transparent clickt-hrough layer, solely the Area that will be captured should appear without this layer. What I did: I use two forms. The first form works as the background-layer. It has no border and covers the whole screen. Opacity is set and the ex.Style ist WS_EX_TRANSPARENT to make it click-through. On this Form I have a panel wich backcolor is set to the forms transparency-key, hence we can look through the panels area. Second form is not click-through, because i need controls on it. There is also an transparent panel on it, which refers to the area to be captured. When moving and resizing this form I map position and size of both forms transparent panels. The way it works is exactly what I had in mind, but there is one problem: When moving the front-form I update the location of the transparent panel on the back-form. This update takes to much time, i. e=2E the second panel moves two slow. Does anyone can give me an hint how I can move my front-form and the transparent-panel on the back-form in exactly the same time. I read about the DeferWindowPos Win32 Methods, but I didn=B4t get it work. Since I think nobody understood what I=B4m talking about I=B4ll provide some code: ----------------------------------------------BACK-FORM--------------------= ------------------------------------ using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; namespace transp { public class Back : Form { private System.ComponentModel.IContainer components =3D null; private Panel transparentArea; public const int WS_EX_TRANSPARENT =3D 32; protected override void Dispose(bool disposing) { if (disposing && (components !=3D null)) { components.Dispose(); } base.Dispose(disposing); } private void InitializeComponent() { this.transparentArea =3D new System.Windows.Forms.Panel(); this.SuspendLayout(); // // transparentArea // this.transparentArea.BackColor =3D System.Drawing.Color.Fuchsia; this.transparentArea.Location =3D new System.Drawing.Point(40, 73); this.transparentArea.Name =3D "transparentArea"; this.transparentArea.Size =3D new System.Drawing.Size(200, 100); this.transparentArea.TabIndex =3D 0; // // Back // this.AutoScaleDimensions =3D new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode =3D System.Windows.Forms.AutoScaleMode.Font; this.BackColor =3D System.Drawing.Color.LightSlateGray; this.ClientSize =3D new System.Drawing.Size(292, 266); this.Controls.Add(this.transparentArea); this.FormBorderStyle =3D System.Windows.Forms.FormBorderStyle.None; this.Name =3D "Back"; this.Opacity =3D 0.8; this.Text =3D "Form1"; this.TopMost =3D true; this.TransparencyKey =3D System.Drawing.Color.Fuchsia; this.ResumeLayout(false); } public Back() { InitializeComponent(); this.Bounds =3D SystemInformation.VirtualScreen; } public Rectangle TransparentAreaBounds { get { return this.transparentArea.Bounds; } set { this.transparentArea.Bounds =3D value; } } protected override CreateParams CreateParams { get { //make it click-through CreateParams cp =3D base.CreateParams; cp.ExStyle |=3D WS_EX_TRANSPARENT; return cp; } } } } ---------------------------------------------------------------------------= ----------------------------------------------- ----------------------------------------------FRONT-FORM-------------------= ------------------------------------ using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; namespace transp { public class Front : Form { private System.ComponentModel.IContainer components =3D null; private Back backGroundForm =3D null; protected override void Dispose(bool disposing) { if (disposing && (components !=3D null)) { components.Dispose(); } base.Dispose(disposing); } private void InitializeComponent() { this.SuspendLayout(); this.AutoScaleDimensions =3D new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode =3D System.Windows.Forms.AutoScaleMode.Font; this.ClientSize =3D new System.Drawing.Size(292, 266); this.FormBorderStyle =3D System.Windows.Forms.FormBorderStyle.SizableToolWindow; this.Name =3D "Front"; this.Text =3D "Front"; this.ResumeLayout(false); } public Front() { InitializeComponent(); this.TopMost =3D true; this.BackColor =3D Color.Fuchsia; this.TransparencyKey =3D Color.Fuchsia; this.Move +=3D new EventHandler(UpdateBackGround); this.Resize +=3D new EventHandler(UpdateBackGround); backGroundForm =3D new Back(); this.Show(); backGroundForm.Show(); backGroundForm.TransparentAreaBounds =3D this.Bounds; } void UpdateBackGround(object sender, EventArgs e) { backGroundForm.TransparentAreaBounds =3D this.Bounds; } [STAThread] static void Main() { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); Application.Run(new Front()); } } } ---------------------------------------------------------------------------= ----------------------------------------------- I would appreciate any hints. I=B4m struggling for days now !!!!! Thanks! Tag: Using tabs within a window Tag: 107008
  - 5
    - screen saver I would like to create a simple standalone vb app that will end, and preferably restart the windows screen saver. I fould code that says it starts the screen saver but how about terminating the currently running instance? Tag: Using tabs within a window Tag: 107006
  - 6
    - Default values when adding new datarow Hi. I have wired up a dataGridView, a bindingSource and a bindingNavigator on a WindowsForm. The DataSource for the bindingSource is a DataSet containing a table, say Orders. When the addNewItem button on the navigator is pushed, I want to provide some default values for columns in the new row in the grid: e.g. CustomerNumber and OrderNumber (incremented by one). What is the usual way of doing this? A code sample would be appreciated. Gudni Tag: Using tabs within a window Tag: 107005
  - 7
    - Events fired when Form.ShowDialog is called Hello everybody, The MSDN says about ShowDialog that "When a form is displayed as a modal dialog box, clicking the Close button (the button with an X at the upper-right corner of the form) causes the form to be hidden and the DialogResult property to be set to DialogResult.Cancel. Unlike modeless forms, the Close method is not called by the .NET Framework when the user clicks the close form button of a dialog box or sets the value of the DialogResult property. Instead the form is hidden and can be shown again without creating a new instance of the dialog box. Because a form displayed as a dialog box is not closed, you must call the Dispose method of the form when the form is no longer needed by your application." The way I understand this is that even if I re-instantiate the class that implements my form, the framework will reuse some previously created structures and that's how I would explain why the Load event is not fired for subsequent calls to ShowDialog. So here is my question: What is the pattern I need to use to display one form over and over and make sure that all internal controls are initialized to proper values every time the form is shown? What is the event that's fired every time ShowDialog is called, if there is such an event? If not, how else should I approach this? TIA, Eddie Tag: Using tabs within a window Tag: 107004
  - 8
    - Insert row in datagridview hello, can i make to insert one row between 2 existing rows. thx Tag: Using tabs within a window Tag: 107002
  - 9
    - XML in DataGridView Q? Hi all, I have a DataGridView that displays an XML file in it... the table has these column names: Name, Value, Data. After I've populated it I need to compare (via a method call) the data in the Name cell with the string value in the XML comment. So basically I'm comparing the Name cells value with the comment value in the XML file. The XML file contains the useual <name>, <value> & <comment> tags. How would I do that? Also I want to color the cells Name & Value if they do not match? private void SeeForMatch() { XmlDocument doc = GetXmlDocument(); // loads XML file DataTable dt = datagridView1.DataSource as DataTable; foreach (DataRow rows in dt.Rows) // loops through the datagridview1 or should I use: // foreach (DataGridViewRow rows in dt.Rows) 'cos I need the cell coloring { string name = (string)rows["name"]; foreach (XmlNode node in doc.SelectNodes("//data")) // loops through the XML file { if (node.Attributes["comment"].Value.Equals(name)) // !!! // should be if ( the string value in the cell not equal to the <comment> value in the xml file) // { color both cells & check the rest of the name column with the XML <comments> } I know if I wanted to color the cells I would use: rows["name"].Style.BackColor = System.Drawing.Color.Blue; //assuming rows was a DataGridView but it's DataRow type!! Thanks for your help ppl. Tag: Using tabs within a window Tag: 107000
  - 10
    - C# Windows Applications Hi All, I read article (http://msdn.microsoft.com/msdnmag/issues/05/08/AutomaticProxyDetection/default.aspx). I need yours help. Please advise me My Requirement is given below. This is C# windows .net application(application as i need *.exe file rather than install file ) which has 4 textboxes (tbxURL for URL in URL Frame, tbxAddress for address in Proxy server frame, tbxPort for port in proxy server frame, tbxProxyScript for proxy script in proxy script frame) and a test button. The requirement is given below STEP BY STEP GUIDE 1. Input the URL you want to test 2. Choose Proxy script/Proxy server with Address and Port Information/No proxy 3. Enter url to proxy script or info for proxy server in respective text box. 4. Press test-button e.g. A) Proxy Script (Textbox): http://www-proxy.ericsson.se:3132/accelerated_pac_base.pac B) URL (Textbox): any URL which starts from https:// C) Proxy Server (2 text box one for Address and one for Port):e.g. 10.187.1.20 and 8080 The below code is working fine for url (only URL, No Proxy Server i.e. Address and Port, no Proxy Script), URL with Proxy Server (Address, Port) as given in coding but not for URL AND Proxy Script, That code needs to be changed. so my question is how to do coding for calling URL when you want to access that URL(mentioned in the textbox on the window form) with proxy script.(which is filled in the textbox present on the window form. Please advice (for yours reference, I am giving you the code which I put, this code is filling my 2 requirements (URL alone), URL with address and port) out of total3 (URL alone, URL with address and port, URL with proxy script only) Ã?-----------------------------------------------------------------------------My Code is given below-------------------------------------------------------------------------------------------------------------------------------Ã private void Calc_Time_For_URL() { if(tbxURL.Text.StartsWith("https://")) { //Time of Request DateTime dt1 = DateTime.Now; try { System.Net.HttpWebRequest myReq = (HttpWebRequest)WebRequest.Create(tbxURL.Text.ToString()); //Proxy Server(Address and Port) if ((tbxAddress.Text.Length > 0) & (tbxPort.Text.Length >0)) { myReq.Proxy = new WebProxy(tbxAddress.Text,Convert.ToInt16(tbxPort.Text)); } //Proxy Script if (tbxProxyScript.Text.Length > 0) { Ã?--------------THIS CODE IS WRONG AND NOT WORKING AND NEEDS TO BE CHANGED // Create a new Uri object. Uri newUri=new Uri(tbxProxyScript.Text); // Associate the newUri object to 'myProxy' object so that new myProxy settings can be set. myReq.Proxy = new WebProxy(newUri); -------------------------------------------------Ã } //GetResponse for this request. HttpWebResponse response = (HttpWebResponse)myReq.GetResponse(); //Time of Response DateTime dt2 = DateTime.Now; lblTimeTaken.Text = Convert.ToString(dt2.Subtract(dt1)); //} } catch(System.Exception ex) { //Time of Response DateTime dt3 = DateTime.Now; lblTimeTaken.Text = Convert.ToString(dt3.Subtract(dt1)); string message = "Make Sure URL is enterted with http://www or https://www as prefix as per your need!!!\nError returned is :\n " + ex.Message; string caption = "Error!!!"; DialogResult result; MessageBoxButtons buttons = MessageBoxButtons.OK; result = MessageBox.Show(message,caption,buttons); } My Doubt is should we have to call any API..?Actually there is one exe file named â??proxycfg.exe" inside C:\windows\system32 Thanks, Deepak +919886735837 kr_deepak123@hotmail.com kr_deepak123@yahoo.co.in kr_deepak123@skype.com Tag: Using tabs within a window Tag: 106995
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    - GUI Designer Tool Is there a software with which you can design and click together a XAML GUI and instantly become a feedback how the GUI looks? Thx in advance A.Gallus Tag: Using tabs within a window Tag: 106994
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    - Save / Restore : size and position of the form Hello, How can I save and restore the position and the size dive by a user and restore them next time I start my application ? Thanks, Tag: Using tabs within a window Tag: 106986
  - 13
    - Move two Forms simultaneously HI! My first post, so Hello there! I=B4m trying to develop an apllication with docked forms, like in Winamp. If a child forms is docked to the parent form it should move and resize like the parent form does. I=B4ll give you an simple example of how I tried to archive this: Form parent =3D new Form(); parent.TopMost =3D true; Form child =3D new Fom(); parent.Move +=3D new EventHandler(parent_move); void parent_move(object sender, EventArgs e) { child.Bounds =3D parent .Bounds; } This example is not very usefull, because the parent form will completly cover the child, but it shows my problem: The child form moves slowlyer. Moving the parent form will cause the child form to move, but with a delay of time. I want them to move as if they where ONE form!!! I was seraching for days now, tried serveral Win32 Api calls regarding moving but I didn=B4t get it! Can anyone help me? Tag: Using tabs within a window Tag: 106985
  - 14
    - Getting clean layout in forms Hi; Is there a url somewhere that explains the best way to use the layout controls to provide the best layout. I want out windows to still look good when we add Japanese & German resources - which tend to make the text a lot shorter / longer. -- thanks - dave david_at_windward_dot_net http://www.windwardreports.com Cubicle Wars - http://www.windwardreports.com/film.htm Tag: Using tabs within a window Tag: 106983
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    - Videos Hi, i noticed, that there are some really good videos about ASP.NET on http://asp.net/learn/videos/default.aspx?tabid=63. Do you know some location, where i can find similar free videos on windows forms or application programming with .NET? Greetings A.Gallus Tag: Using tabs within a window Tag: 106982
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    - plse provide me links for windows form event details Hi Grp, I m newbie. I am looking for basics of Windows Forms. Like ASP.Net page lifecycle, please give me the links which explains windows form event cycle. Thanks, DB Tag: Using tabs within a window Tag: 106981
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    - Saving info in Registry Hi, Under Vista you can't save application settings to HKLM, can anyone point me in the direction of the new guidlines on where we should store application data, which is machine wide. Thanks Tim Tag: Using tabs within a window Tag: 106977
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    - Form control re-build when entering the MDI container We have a huge activex control embedded in a Form window. When the Form has its MDIParent set to a mdi container, the window handle of the Form is replaced by a new one, and our control has to be InPlaceActivate twice plus one InPlaceDeactivate( The window handles of the standard controls within are also replaced ), This causes side effects to our activex control. The activation involves lengthy initializations such as downloading data from internet and heavy rendering work, so it is too expensive to do InPlaceActivate frequently. And our control has some operations depending on the parent window. Is there any workaround to avoid frequent inplace activation and window re-building, for example, creating the mdi child form directly from the MDI container? Tag: Using tabs within a window Tag: 106976
  - 19
    - DataGridView RowValidation Event I have a master/detail form that uses a DataGridView to show child records. I am using the RowValidating event to validate correctly entered data. As part of the validation process, I set the Cancel property of the event to true when bad data is present. This works fine as long as the master binding source remains on the current record. If the active master row changes, while a cell in the data grid is in edit mode, the form freezes. It does not redraw and stops responding to all events. The grid will still show the pencil in the row header. This only occurs if a the DataGridView looses focus while a cell is in edit mode. If no cells were currently being edited when the grid looses focus everything is fine. Tag: Using tabs within a window Tag: 106974
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    - Figure out how much text will fit into the form title I'm assigning a description to my form title, such as: strDesc = "This is a test if the description will fit in" frmTest.Text = "(" & strDesc & ")" If strDesc doesn't fit in the title, I don't see the closing paranthesis: ("This is a test if the description will fi..." I would like to be able to determine if strDesc will fit into the space provided, and if it won't fit, I would like display only as much as would fit: ("This is a test if the description will f...)" How can I do this? Thank you! Tag: Using tabs within a window Tag: 106969
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    - DataGridView performance Hi there, Has anyone had any serious performance problems with this class. A couple of hundred rows of data with 4 columns (everything loaded on-the-fly with no DB involved, all simple strings, 90% under 10 characters, the rest as high as 500-600 characters, wrapping turned on) literally takes almost 3 minutes to load on my 2.4 MHz machine (1 GB RAM with plenty to spare). Wrapping may be the bottleneck (performance improves when I turn it off) but other than using virtual mode, can anyone suggest a way to speed things up (or a reliable 3rd-party control which is really something I wanted to avoid). Thanks. Tag: Using tabs within a window Tag: 106963
  - 22
    - HTML POST I have an HTML Form that uses GET and is processed by an ASP.NET 1.1 web application. Can you recommend a simple example of an HTML Form that uses POST and is processed by an ASP.NET web application (either 1.1 or 2.0)? What was the source of your information? Thank you. -- -- Thom Little -- www.tlanet.net -- Thom Little Associates, Ltd. Tag: Using tabs within a window Tag: 106961
  - 23
    - Get Form-Objekt inside VS2005 AddIn How can I get the Form Obect inside the VS AddIn ? Public Sub Exec(ByVal commandName As String, ByVal executeOption As vsCommandExecOption, ByRef varIn As Object, ByRef varOut As Object, ByRef handled As Boolean) Implements IDTCommandTarget.Exec handled = False If executeOption = vsCommandExecOption.vsCommandExecOptionDoDefault Then If commandName = "MyAddin1.Connect.MyAddin1" Then handled = True Dim myForm as Form = ???? Exit Sub End If End If Tag: Using tabs within a window Tag: 106960
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    - Radio button databinfding... Hi, I have got three radio buttons o Yes (Db Value= 1) o No (Db Value= 2) o Maybe (Db Value= 3) The data is stored on DB on one field as tinyint. I would like to bind the data row to windows form. how can I bind that data to the radios? I think It must not be so diffucult :). But I am better on web forms and it is much more easy to binding on web pages. Is there something that I do not aware of? I do not want to use drop down... :'( Thanks... Tag: Using tabs within a window Tag: 106958
  - 25
    - drag and drop issue... If I use software like OpenOffice and try to drag text I could notice that 1. when I drag inside the document I'm moving the text 2. when I drag outside the document I'm copying the text Yet it all looks like one smooth operation. With correct cursor feedback (the little + marker next to the icon). My problem is, once I call DoDragDrop() it's blocking, I have no other opportunities to change the AllowedEffect to only Copy if I drag over, say, an other control And QueryContinueDrag: 1. don't allow me to change the efect 2. don't inform me about the current drop target How could I do that? (i.e. how could I modify the allowed efffect depending on the target (i.e. wether it's me or not)) Tag: Using tabs within a window Tag: 106955

*Very new to .NET*

I want to open a tabbed Window: in tab one, I'd like an application like
Notepad to show for example, then in tab 2 have Wordpad.

Can this be done? What class should I start looking at?

Marco

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Re: Using tabs within a window by Bruce

Bruce
Thu Nov 30 13:55:31 CST 2006

Marco Shaw wrote:
> *Very new to .NET*
>
> I want to open a tabbed Window: in tab one, I'd like an application like
> Notepad to show for example, then in tab 2 have Wordpad.
>
> Can this be done? What class should I start looking at?

Well, you have two problems here.

The first is the easiest to solve: to put tabs within one of your
Forms, just add a TabControl to the form and then add the TabPages you
need to the TabControl's TabPages property. You can do this either at
design time (using Visual Studio designer) or at run time in code. The
easiest way to do the latter is to do it first at design time using the
Designer, and then look at the code it generates and make your code do
the same thing.

The second problem is how to host an independent Windows application
like Notepad or Wordpad inside your own application. I have no idea how
to do that: someone else here will have to help you with that.

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