Problem: Flicking with Double Buffering on transparent control

Question

tuanpq 0 Newbie Poster

15 Years Ago

Hi all,
I'm C# newbie, and I having problem with double buffering on transparent control - flicking when draw drag rectangle (see attached file). Can anyone help me?
Thanks & rgds,

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Latest Post 15 Years Ago Latest Post by tuanpq

kvprajapati 1,826 Posting Genius

15 Years Ago

Welcome tuanpq,

Did you read this article? http://www.codeproject.com/KB/GDI-plus/flickerFreeDrawing.aspx

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tuanpq 0 Newbie Poster · Answer 1 · 2009-07-04T15:54:28+00:00

Welcome tuanpq,
Did you read this article? http://www.codeproject.com/KB/GDI-plus/flickerFreeDrawing.aspx

I applied this technique into my program but it doesn't improve. Can you applied this technique into my program?

kvprajapati 1,826 Posting Genius Team Colleague · Answer 2 · 2009-07-04T16:44:47+00:00

I applied this technique into my program but it doesn't improve. Can you applied this technique into my program?

I have changed - a paint event code

tuanpq 0 Newbie Poster · Answer 3 · 2009-07-05T19:04:07+00:00

Thanks for helping. I've tried your's modified code, but why transparent layer became black? I've review source code and discover that transparent layer's DoubleBuffered propperty is set to true. Is that reason?