Problem: Flicking with Double Buffering on transparent control

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Problem: Flicking with Double Buffering on transparent control

 
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  #1
Jul 3rd, 2009
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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Re: Problem: Flicking with Double Buffering on transparent control

 
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  #2
Jul 4th, 2009
Welcome tuanpq,

Did you read this article? http://www.codeproject.com/KB/GDI-pl...eeDrawing.aspx
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Re: Problem: Flicking with Double Buffering on transparent control

 
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Jul 4th, 2009
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Originally Posted by adatapost View Post
Welcome tuanpq,

Did you read this article? http://www.codeproject.com/KB/GDI-pl...eeDrawing.aspx
I applied this technique into my program but it doesn't improve. Can you applied this technique into my program?
Last edited by tuanpq; Jul 4th, 2009 at 6:55 am.
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Re: Problem: Flicking with Double Buffering on transparent control

 
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Jul 4th, 2009
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Originally Posted by tuanpq View Post
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
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Re: Problem: Flicking with Double Buffering on transparent control

 
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  #5
Jul 5th, 2009
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?
Last edited by tuanpq; Jul 5th, 2009 at 10:22 am.
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