ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / Core Component API Reference / Core Component Functions Reference / Display Functions / IG_dspl_channel_visibility_set
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    IG_dspl_channel_visibility_set
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    This function sets the new visibility state for the specified channel in the image.

    Declaration:

     
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    AT_ERRCOUNT ACCUAPI IG_dspl_channel_visibility_set(
            HIGEAR hIGear,
            DWORD dwGrpID,
            AT_INT nIndex,
            AT_BOOL bVisible
    );
    

    Arguments:

    Name Type Description
    hIGear HIGEAR Image handle.
    dwGrpID DWORD Display group ID.
    nIndex AT_INT Index of the channel to set new visibility state (up to 64).
    bVisible AT_BOOL New visibility state.

    Return Value:

    Returns the number of ImageGear errors that occurred during this function call.

    Supported Raster Image Formats:

    All pixel formats supported by ImageGear for C and C++.

    Remarks:

    If TRUE, the image channel is visible; if FALSE, the image channel is not visible.