Windows Forms

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  • Border color of Textbox not working with Opacity < 1
    by Maik Wiege
    4 Replies
    Last post by David S. Anderson
      • Hello, I subclassed the TextBox control to create textboxes with a custom border color. I override the WndProc function to catch the PAINT Messages and draw the border in my color like this: protected override void WndProc(ref Message m) { base.WndProc(ref m); if (message.Msg == WM_NCPAINT || message.Msg == WM_ERASEBKGND || message.Msg == WM_PAINT) { //get handle to a display devi
  • SQL Server 2005 SP2 as Prerequisite?
    by Mio
    9 Replies
    Last post by RichLeyshon
      • Hello, How can I make SQL Server 2005 SP2 a prereq for a Setup project Is there an available package file for it I can't find one, and I need to be able to have this actually work on Vista. Thanks
  • WebBrowser - how to get SelectedText ?
    by Eli Gazit
    1 Replies
    Last post by EliGazit
      • Hi. How can I detect the currently selected text in a WebBrowser control
  • Error in "How to create a thread by using Visual C#" Article ID : 815804
    by daniel mark
    7 Replies
    Last post by Peter Ritchie
      • Hello all: I go through the tutorial " How to create a thread by using Visual C#" http://support.microsoft.com/kb/815804 However, I met the following error messages: InvalidOperationException was unhandled Cross-thread operation not valid: Control "accessed from a thread other than the thread it was created on. In the IDE, there is a yellow arr
  • Font Size Scailing
    by Essial
    4 Replies
    Last post by Yu Guo ¨C MSFT
      • I have written a test application that draws text (among other things) on the screen. Before I draw, I scale values of X, Y, Width, Height, and Size according to the ration of the wanted width, and the actuial width of the form. The problem is, when I call Graphics.DrawString, I notice that the fonts change in "steps". Keep in mind, I have set the units to inches, and I supply inches in,
  • to determine length of audio track
    by karande23
    4 Replies
    Last post by Jarno Burger
      • I am using  the AxwmpLib which provides me with windows media player...but the property: windowsMediaPlayer.CurrentMedia.duration is always 0.0. Basically I want to know length so that when my player starts automatically...it ends and as soon as it ends I have to enable a button that guide user to next form.
  • Any ideas what is causing this?
    by cybercrypt13
    14 Replies
    Last post by cybercrypt13
      • I've done a quick video to show what is happening. I don't understand why I'm having so many problems with Visual Studio but maybe someone could tell me something I might be doing wrong. I have 2005 updated with the latest updates as far as I know. Their about screen doesn't come out and tell you what version you have but instead gives you 14 decimal version numbers so I won't swear the install di
  • Changing the "Printing" icon.
    by Forch
    1 Replies
    Last post by nobugz
      • Hi everyone.... I am printing using the Print Dialog and print document. After the user selects the printer and presses ok, this code is run: Dim pd As PrintDocument = New PrintDocument AddHandler pd.PrintPage, AddressOf Me .PrintPageEventHandler ---Other code pd.Print() When the "pd.Print()" is executed, a dialog box appears which says
  • Control dynamically added to panel is not generating events
    by Brickdam
    6 Replies
    Last post by Brickdam
      • I have a splitter container (SC) that has 2 adjacent panels (P1) and (P2). P1 has a DeviceTreeView control that generates events that are handled by the top level easily.However, in P2 I want to dynamically create different views so I create panels (Px) dynamically that I can switch back and forth from (works fine - events to change panels are triggered from the tree in P1).The problem arises when
  • Defaulting button text (VS2005 / C#)
    by ron2464
    3 Replies
    Last post by ron2464
      • Hi, I have created a new button class (MyButton), which is derived from the Button class. In the constructor of my derived class I default the following 3 properties. TextImageRelation, TextAlign and Text. The first 2 work, but he Text value does not get set to the new defaulted value. Is this a bug Code sample... class MyButton : Button { public
  • Custom Message box C# 2.0
    by newtoc&amp;#35;484467
    1 Replies
    Last post by theTroll527
      • Is there a custom message box method that can be used Is there a way to create a custom message box
  • Bind datagridview with two datables
    by NareshG
    6 Replies
    Last post by NareshG
      • Hello all, I am trying to bind two datatables to datagridview, the two tables have almost same columns . For example. If table A contais 5 rows and table B contains 4 rows then datagridview should show 9 rows. Is this possible.
  • Extracting Columns Values from Dataset (Visual Basic)
    by heimdaloz
    2 Replies
    Last post by Mamta M
      • Thanks in Advance I have worked out how to select a single value via SQL to a textfield and multiple records and columns to a grid. How do I select a single row from the database (Visual Basic) and extract the columns into different text fields
  • KeyDown Event, IsInputKey not working (C#)
    by ThePatrickP
    7 Replies
    Last post by SteaN
      • (C#, VS 2005) - I have a form, with a few radiobuttons on it. I want to do some stuff when the arrow keys are pressed but the event isn't raised. I found on MSDN that you should override IsInputKey, but I did that and it doesn't work (IsInputKey is never called). Another problem (may have something to do with it) is that i can't find a way to stop the arrow keys from scrolling through the rad
  • How can I open a MDI Child form from MDI Child form?
    by DONG
    5 Replies
    Last post by Manju Sandhu
      • I'm developing a application that using MDI interface. I need to open a MDI Child form from another MDI Child form. My code is next. I used this coding from MDI Child form. frmP1 newMDIChild = new frmP1(); newMDIChild.Parent = this.Parent; newMDIChild.Show(); This coding is generated a error. How can I solve this problem If anybody knows how to, please let me know. Thanks
  • Installer Problem for program
    by eseidel
    7 Replies
    Last post by eseidel
      • I have created a windows installer setup package for my project with MDAC 2.8, CR, Report Viewer, and .Net Framework 2.0 Bootstrapped to the install. This is my first install package ever and am using VS2005. The install package works fine, the problem is that everytime I run the program .exe I get a installer progress bar first like its trying to reinstall or something. And when I install it from
  • readonly combobox and datetimepicker
    by Damiaan
    4 Replies
    Last post by Damiaan
      • How can I make a combobox and a datatimepicker readonly (Like the locked property in Ms Access).
  • VB.NET 2005 - Treeview won't sort properly
    by blitzy
    8 Replies
    Last post by ParkerMelvin
      • I am writing an application in VB.NET 2005 framework 2.0. I have a treeview that I've named TV_UdxScans that is populated upon the Form_Load with the names of files from a folder search for files that start with "udx_" Concatenated with that is the date the file was created. Child node items are listed in descending order initially unless the user chooses otherwise. The structure of
  • Can't see new added item after the datagridview.dataSource property set
    by Paolo Ponzano
    1 Replies
    Last post by Ken Tucker
      • Hi, I know it can be a stupid question, it's 2 day I'm getting mad about that, I've this sample piece of code taken from the net : Code Block private void Form1_Load(object sender, EventArgs e) { List<Product> myProds = new List<Product>(); myProds.Add(new Product("Prod 1", 1, 1)); myProds.Add(new Product("Prod 2", 2, 2)); myProds.Add(
  • Property Grid Editor - Value Backcolor
    by Jeff Walker&amp;#40;Ohio&a
    0 Replies
    Last post by Jeff Walker&amp;#40;Ohio&a
      • I use the property grid editor extensively through out my application. I want to visually indicate when a value has become dirty (changed but not saved) by setting the backcolor in value window to yellow instead of the default white Thanks Jeff
  • Adding .Net Framework 3.0 as ClickOnce prerequisite
    by perku
    1 Replies
    Last post by David Guyer MSFT
      • What do I need to do to be able to make .Net Framework 3.0 a prerequisite for a ClickOnce-deployed application in VS2005 I'm running VS2005 on XP sp2 and I have installed the .Net Framework 3.0 runtime. What do I have to do to get the framework to appear as an option when I define the prerequisites for my application I would like to avoid installing the "Visual Studio 2005 extensions f
  • combobox giving an error when field is null
    by fweeee
    6 Replies
    Last post by fweeee
      • Hello, A quick overview of my issue. I have three tables: Item - Primary Key is "ID", of type int. Vendor - Primary Key is "ID" of type int. ItemVendor - Primary key contains two fields - "ItemID" and "VendorID" - both of type int. Nulls are not permitted. I have created a relationship between ItemVendor and the other two tables in SQL Server Manage
  • Check if Event is associated
    by Abhijeet
    2 Replies
    Last post by nobugz
      • Hi Is there a method to check if a event is associted with a control. Like i want to check if Click event is associated with a Button or not. I want to do something like this, so that if the event is not associated, i can attach event. If(button1.Click == null) { button1.click += .... } Thanks Abhi..
  • Overriding DefaultValue on a control inheriting from TextBox
    by Billkamm
    14 Replies
    Last post by nobugz
      • I have composite control I am creating that inherits from TextBox. However, when I override a property I can't seem to get the DefaultValue to change. I use the following code and when I try to add the control to the form at design time the DefaultValue of Text is "MyControl1". Code Snippet [DefaultValue("")] public override string Text { Any suggest
  • Event Handling for a Menustrip
    by RufusLDK
    3 Replies
    Last post by Zhi-Xin Ye - MSFT
      • I've create a menustrip with the code for it below. how to i create event handling for each of the items such as add and delete. Public Sub managerToolBar() food = New ToolStripMenuItem( "&Food" ) food.DropDownItems.Add( "&Add" ) MenuStrip1.Items.Add(food) End Sub How would i create a event handle for say if i click on Add to open a