Flickering in a Windows Forms app

Question

I have an app that has a ton of controls on it. And it has a massive amount of flicker, particularly on startup.

I applied this fix to it.

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Answer 1

I figured it out. The trick is to remove the WS_EX_COMPOSITED flag after the form is shown. The full explanation and code at my blog:

How to get rid of flicker on Windows Forms applications