Sets a value that indicates whether the alpha channel should be filtered with the color data.
HRESULT retVal = object.SetExcludeAlpha(bExcludeAlpha);
- bExcludeAlpha [in]
BOOL that indicates whether the alpha channel of an image should be filtered. If TRUE, only the RGB color components are modified by the filter. If FALSE, the weighted alpha value is written to the output sample with the color value.