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QuestionHow to call C# function from unmanaged C++ code.? Pin
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QuestionWhy CreateWindowEx() function failed on 64 Bit window XP Pin
am 200920-Jul-10 6:02
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QuestionRe: Why CreateWindowEx() function failed on 64 Bit window XP Pin
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AnswerRe: Why CreateWindowEx() function failed on 64 Bit window XP Pin
am 200920-Jul-10 21:06
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GeneralRe: Why CreateWindowEx() function failed on 64 Bit window XP Pin
Randor 21-Jul-10 8:55
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am 2009 wrote:
Is there any setting required to work CreatewindowsEx() function in 64 Bit windows.


No it works the same. The error code you recieved would imply that something may be wrong with the WNDCLASS Structure[^]. Make sure that you are initializing it to zero:

WNDCLASS yourclass = {0};


The error code may also be caused by using a 32 bit DWORD parameter rather than a DWORD_PTR.

Rules for Using Pointers[^]

Best Wishes,
-David Delaune
Questionfile name in coleinsertdialog Pin
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QuestionType mismatch when calling a VB.NET COM class from VB6 Pin
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QuestionHow to develop 64 bit application using VS2005 Pin
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QuestionVS2010 vs VS2008 generated IDL differences that generates midl compilation error. Pin
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QuestionHow to use COleDataObject Pin
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QuestionDll Error Pin
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QuestionContext Menu Shell Extension (Invoked time) [modified] Pin
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QuestionException during assignment operation to a COM object - "Attempted to read or write protected memory" Pin
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