How to fix nested winform control flicker issues

Question

I am currently working on a program that uses a fairly complex structure of nested winform controls which changes dynamically as a user makes certain selections. To go into more

Answer 1

In addition to @tommieb75's suggestion for double buffering, you can try and see if your root level controls have BeginUpdate/EndUpdate method pairs. These should help repress the repaints in between the calls.