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How to check if a Control partially or completely obscured by other windows

Posted By:      Posted Date: September 05, 2010    Points: 0   Category :.NET Framework
In  http://social.msdn.microsoft.com/Forums/en-US/netfxbcl/thread/78289886-f3c1-405b-aaa1-722a23690245 is described how to test if a Window is obscured by other windows. Is there a way to do this wit a single control ?  Using the  GetOverlappedIntersection from the example dosent work. ? I'am not very good in Win32... but Controls implement IWin32Window also - Wht is the difference to Forms ? Thank you

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