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The IsAlphaPixelFormat method determines whether a specified pixel format has an alpha component.
Syntax
BOOL IsAlphaPixelFormat(
PixelFormat pixfmt
);
Parameters
pixfmt
Type: PixelFormat
A PixelFormat constant that specifies the pixel format to be tested.
Return value
Type: BOOL
If the pixel format has an alpha component, this method returns TRUE; otherwise, it returns FALSE.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | gdipluspixelformats.h (include Gdiplus.h) |
| Library | Gdiplus.lib |