This topic documents a feature of Visual Filters and Transitions, which is deprecated as of Windows Internet Explorer 9 and obsolete as of Internet Explorer 10.
Retrieves a value that indicates whether the alpha channel should be filtered along with the color data.
HRESULT GetExcludeAlpha( BOOL *pbExcludeAlpha );
- [out] Pointer to a 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.
Returns an HRESULT value that depends on the implementation of the interface.