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Alpha blending

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imagenetics

imagenetics

Programmer
Dec 8, 2003
66
PL
I'm writing a program which uses alpha blending for drawing forms. But as far as I know this feature is not available on Windows Me and lower.
How can I verfy if my program is currently running on Windows 2000 or XP (these support semi-transparency) or on a non-alpha system?
Or maybe Builder's programs automatically skip alpha procedures if not supported? But I have one function attached to a timer to fade-in a form when activated, so I suppose I have to check somehow if current OS supports it?
 
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You need to retrieve Windows version. In Builder, it's a global "int Win32Platform" variable.
If it's VER_PLATFORM_WIN32_NT, than it's an NT derivative, usually 2000/XP nowadays.
For more detailed info look at the Win32API help on this subject.
 
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