public static IntPtr DontDrawRichEditControl(System.Windows.Forms.RichTextBox c)
{
IntPtr eventMask = IntPtr.Zero;
try
{
// Stop redrawing:
RTF.SendMessage_generic(c.Handle, WM_SETREDRAW, IntPtr.Zero, IntPtr.Zero);
// Stop sending of events:
eventMask = RTF.SendMessage_generic(c.Handle, EM_GETEVENTMASK, IntPtr.Zero, IntPtr.Zero);
// change colors and stuff in the RichTextBox
}
catch
{
try
{
// turn on events
RTF.SendMessage_generic(c.Handle, EM_SETEVENTMASK, IntPtr.Zero, eventMask);
// turn on redrawing
RTF.SendMessage_generic(c.Handle, WM_SETREDRAW, (IntPtr)1, IntPtr.Zero);
}
catch { }
}
return(eventMask);
}
public static void DrawRichEditControl(System.Windows.Forms.RichTextBox c, IntPtr eventMask)
{
try
{
// turn on events
//RTF.SendMessage_generic(c.Handle, EM_SETEVENTMASK, IntPtr.Zero, eventMask);
// turn on redrawing
RTF.SendMessage_generic(c.Handle, WM_SETREDRAW, (IntPtr)1, IntPtr.Zero);
// perform the actual redraw
//RTF.InvalidateRect(c.Handle, IntPtr.Zero, FALSE);
// invalidation is done with Control.Refresh() now
}
catch { }
}