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IDXLookupTable::IsChannelIdentity Method

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.

Determines whether the application of a channel's table will have any effect.


HRESULT IsChannelIdentity(
    DXBASESAMPLE *pSampleBools


[out]  Pointer to a DXBASESAMPLE structure that tells whether a color's lookup table is enabled.

Return Value

Returns an HRESULT value that depends on the implementation of the interface.


A TRUE or FALSE value is stored in each of the color components — alpha, red, green, and blue — of the returned structure. If a component has a return value of TRUE, that color is unaffected by a call to IDXLookupTable::ApplyTables.

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