How to eliminate flicker in Windows.Forms custom control when scrolling?

Question

I want to create a custom control in C#. But every time I have to fully redraw my control, it flickers, even if I use double buffering (drawing to an Image first, and blitting that).

How do I eliminate flicker when I have to fully redraw?

Answer 1

You could try putting the following in your constructor after the InitiliseComponent call.

SetStyle(ControlStyles.OptimizedDoubleBuffer | 
         ControlStyles.UserPaint |
         ControlStyles.AllPaintingInWmPaint, true);

EDIT:

If you're giving this a go, if you can, remove your own double buffering code and just have the control draw itself in response to the appropriate virtual methods being called.