Edit 2005-10-29: as of .NET 2.0, the Control class has a method to draw itself to a Bitmap: DrawToBitmap, which you should use instead.
Here’s a little class in C#, that allows you to paint an existing Control onto a Graphics object. Nothing special, but useful if you need it.
public class ControlPainter
private const int
WM_PRINT = 0x317, PRF_CLIENT = 4,
PRF_CHILDREN = 0x10, PRF_NON_CLIENT = 2,
COMBINED_PRINTFLAGS = PRF_CLIENT | PRF_CHILDREN | PRF_NON_CLIENT;
private static extern int SendMessage(
IntPtr hWnd, int Msg, IntPtr wParam, int lParam);
public static void PaintControl(Graphics graphics, Control control)
// paint control onto graphics
IntPtr hWnd = control.Handle;
IntPtr hDC = graphics.GetHdc();
SendMessage(hWnd, WM_PRINT, hDC, COMBINED_PRINTFLAGS);
Using it is very easy: if you need to paint the Control myControl onto Graphics myGraphics, you just call