I'm trying to make a simple background for a toolbar similar to the one in Microsoft Money. Only problem is, I can't get the BackgroundImage to show up. I set it up in VB.NET using the example for Control.BackgroundImage but it appears normally. Has the functionality been removed for the Toolb...more >>

Consider: (C#) Bitmap lBmp1 = (Bitmap)Bitmap.FromFile(<some file>, true); Bitmap lBmp2 = lBmp1.Clone(<source rectangle>, PixelFormat.Format24bppRgb ) ; lBmp2.LockBits(<some rectange>, ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb ...more >>

Suppose I have a Form "MyForm", it has a function called void CallMeBack(); I show the Form using "Form.ShowDialog()" when the form shows, it register the CallMeBack function to a timer event which expires in 10 mins then I Close/Dispose the Form before the timer expires... when the timer exp...more >>

I've got a dialog with a tabbed control in. On some of the pages I've got user controls whose (sub) controls are databound to an object (which ultimately comes from a typed dataset). All works fine EXCEPT that the data is not bound until the particular tab is activated. This is a problem i...more >>

The .NET Framework seems to be generating empty directories with long unique names every time a Windows Forms application is ran. The owner of these directories is the user launching the application, these users have write permission on the WINNT folder, but no Modify permission. My guess is that...more >>

Hello newsgroup If I enter 1 character in a textbox of a user control and then set the focus to a control outside the user control, the "Text" property of the control still contains the old value (without the entered character). If I enter 2 characters or set the focus to a control within ...more >>

I've got a base form with a few controls on it. I have a subclass that inherits from the base form and it looks the part. But when I start dropping controls on a panel (which is anchored to the top of the form) that's inherited from the base form , the controls appear only until I save the fo...more >>

Hi: Is there any way to hide the caret on a RichTextBox control? ...so i can use it to show "links" ...more >>

I have am writing .NET application which uses COM interop. Sometimes, while pressing buttons or interacting with the controls, an unhandled exception message appears due to an "Overflow error", with the information below. It always appears while drawing the form, but happens with different co...more >>

I have a c# windows forms app that runs fine on my laptop. The form is 1024x768 with no border, and when I run it on my laptop with 1024x768 screen resolution it fills the whole screen perfectly. The problem is, when I run the same application on two other machines that have the screen resolut...more >>

In the C++ version of MessageBox() I could embed \n to get a new line. In the C# version of this the \n shows up as \n. How can I tell the message box (or a textBox on a custom form) to recognize the \n as a newline character and display whatever comes after the \n on a new line This is real b...more >>

How would I got about capturing the drawn area of a control into a Image? I can print the control but I want to store whats drawn on screen at any time for a custom graphing control for printing later. So far I have had no luck determining how I would do this. Using the CreateGraphic method of a co...more >>

Hi all I've got a little problem regarding the disposing of a form.... My program is like this: I've got a mainForm with a main function, but before loading this form, I need to display an other one (StartSelectionForm) where the user setup his name and other string information Innocently and fu...more >>

In my winform application I want to change the label's text propertie. My labels are inside a panel (pnlCalendar). I know the label's name but no the index Me.pnlCalendar.Controls("label1").text doesn't work. Only if I change "label1" by its integer index it works. I ca...more >>

Hello all , I have a small problem. My app has two forms: On the first one (frmMain) i have a datagrid which modifies a datatable. I can modify data and i use the datatable rowchanged event to apply changes to my database. (I know i could use the adpater.update method but i prefer to do it ...more >>