ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / PDF Component API Reference / PDF Component Objects Reference / General Objects / HIG_PDF_LAYER / IG_PDF_layer_has_usage_info
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    IG_PDF_layer_has_usage_info
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    This function verifies whether a layer object is associated with a Usage dictionary.

    Declaration:

     
    Copy Code 
    AT_ERRCOUNT ACCUAPI IG_PDF_layer_has_usage_info(
        HIG_PDF_LAYER hLayer,
        LPAT_PDF_BOOL lpbHasUsage
);

    Arguments:

    Name Type Description
    hLayer HIG_PDF_LAYER Layer object.
    lpbHasUsage LPAT_PDF_BOOL Returns TRUE if the layer has a Usage dictionary; FALSE otherwise.

    Return Value:

    Error count.

    Supported Raster Image Formats:

    This function does not process image pixels.

     

     

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