ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / TWAIN Component API Reference / TWAIN Component Functions Reference / Capability Functions / IG_TWAIN_cap_default_value_set
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    IG_TWAIN_cap_default_value_set
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    This function sets the default value of a capability in its container.

    Declaration:

     
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    AT_ERRCOUNT ACCUAPI IG_TWAIN_cap_default_value_set(
            HTWAINCAP hTWAINCap,
            LPCVOID lpValue,
            DWORD dwValueSize
    );
    

    Arguments:

    Name Type Description
    hTWAINCap HTWAINCAP Handle to the capability container. References the container structure where detailed information about the capability is stored.
    lpValue LPCVOID Pointer to a memory buffer that contains the value.
    dwValueSize DWORD The size of memory allocated for lpValue pointer.

    Return Value:

    Returns the number of ImageGear errors that occurred during this function call. If there are no errors, the return value is IGE_SUCCESS.

    Supported Raster Image Formats:

    This function does not process image pixels.

    Remarks:

    Applicable to TW_ON_ENUMERATION and TW_ON_RANGE containers.