I'm trying to hook a 3rd party app so that I can draw to its screen. Drawing to the screen is easy, and I need no help with it, but I seem to be having issues with using SetWindowsHookEx to handle ...

I have a custom TextBox in which I draw some place holder text when it's empty. It works pretty well, but it flickers when the mouse enters and leaves the TextBox. It seems related to the border be...

I have read that I should never send WM_PAINT manually and should call InvalidateRect instead but didn't found anything about why not, however. So why not? update works with InvalidateRect but not...

I wish to off-screen render a Control to some bitmap so that I have quick access to it. Unfortunately Control.DrawToBitmap seems to draw the entire control on which it is called including all it'...

One can use GetDC/ReleaseDC to draw in client area of window. But in response to WM_PAINT message one have to use BeginPaint/EndPaint. Is there something special about this?

Is there a function that will freeze window repainting for some time, while I do changes to the layout of my dialog?

I'm trying to draw an animation on a window with a transparent background using Windows API. The problem is that I can't delete the previous drawing from the window. I set the following parameters...