Hi, Does anyone have a solution for making the Windows Forms DateTimePicker behave with nullable dates? Specifically, to display *nothing* when the date is null, control will also be bound using Windows Forms BindingSource. I am using Visual Studio 2005, .NET 2.0 only. I don't want to use a...more >>

How is it possibile to draw a black border around the controls (TextBox, Combobox) while they're focused, not in designtime, at runtime? I have inherited the controls in some customclasses of mine. The problem I seem to have is that my border get overwritten almost always. Thanks. ...more >>

Hi If I have a choice of WPF or Windows Form versions of a control which one should I purchase? Thanks Regards ...more >>

I'm using vb.net in Visual Studio 2005 to create an executable that can print a web-page. I use the WebBrowser Control... Navigate to the page... and then call WebBrowser1.Print() It works! .... except for 1 thing. If the web-site uses any javascript code to change the display (hi...more >>

Hi all, What's the tried and true method to programmatically set the width of a listview column at runtime so its header's text is completely visible (eg, it doesn't get trimmed and have '...' appended at the end), given that I don't know ahead of time what this text is? This can be hard...more >>

Hi I would like to detect the cursor position in a numericUpDown control (like in a textbox). I fact I want to personnalize this control to have a variable increment depending on the cursor function so as to be able to to increment or decrement the digit on which the cursor is located. ...more >>

Hi How can my main form capture key strokes and pass them to various controls on the form? Thanks Regards ...more >>

Hello, all methods of the treenodescollection for adding or inserting a new treenode support the possibility for giving keys to the new treenodes. But the .add or .insert methods for exisiting treenodes do not?? I need the possibility to move treenodes to other parenttreenodes. I need ke...more >>

Hello, I wrote a program in .NET 2.0 and it works great when the host compter is set to 96 dpi. I have a lot of users that are using 120 dpi and the forms don't fit on the screen and the textboxes and label are run together. I changed autoscalemode to Font, None, DPI and Inherrit and none...more >>

I am working in VS2008. I have a TabControl on a form. The background color of the TabControl is not the standard KnownColor.Control color, it is a lighter color. I have placed a TrackBar on the TabControl and it's BackColor is that of the KnownColor.Control. The question is, how do I make...more >>

I'm developing a combobox that lists the fonts in their given font face, attempting to replicate how MS Word displays them. I have my code mostly working, but the problem I'm running into is some fonts, like 'Cambria Math', don't fit within the fixed ItemHeight (hardcoded to 20 at the moment). ...more >>

I am using the .Net 2.0 WebBrowser control in a C# WinForms application to display and print custom HTML reports. Is there a way to turn off the IE Page Setup headers and footers using C# before using the WebBrowser control's ShowPrintPreviewDialog() or ShowPrintDialog() methods so that the...more >>

I want to select all the text in a text box, when focus is put on the control. I see the SelectAll method but it does not highlight the text (like double clicking does). Is there a way to force highlighting of the text automatically? -- SteveS...more >>

I am using a Text Box with scroll bars to display the status of a process as it is running. I am appending lines of text as the process runs and the display is getting updated. txtStatus.Text = txtStatus.Text & vbcrlf & msg This works fine, but once there is more text that what can appear ...more >>

I have a DataGridView on a form that is triggering exceptions which appear to be completely at random. I have a hard time reproducing the problem. Here's what I'm working with: I have a custom business object and list that the datagridview is bound to: public class MyObject { public Bar ...more >>

OK - here's the scenario - I understand the building of a control - a dll - so that the developer can drag it onto a form. That's NOT what I need to do. Picture the FolderBrowserDialog and the Save and Open File Dialogs - I need to build a 'control' I guess you'd call it - a dialog control...more >>

Hi, I need to do draw text or simbols "in" a combobox while in designmode. I don't need, and I would prefer not to draw all the combo by myself cause I want it to appear "run-time" like. I need to know if it's possible to draw something after the paint as done it's work. All things I've trie...more >>

Does anybody have a sample of how to do an override on OnPaintBackground to draw an image on the background of a winform, and then set an alpha level for it so it is dimmed? ...more >>

I'm trying to create textbox with custom autocomplete form with a listbox on it. Results in the listbox will be changed as the user types in the textbox. The problem is loosing of focus in the textbox when the popup form is shown. I tried with ToolStripDropDown but problem is the same. Please h...more >>

I am setting the BackGroundImage of a form to a specific graphic. I have been going in circles trying to determine how to set the alpha level of the image on the background of the form so all the controls on top of the form show up better. I am thinking of just using a graphic program to alt...more >>