ImageGear for C and C++ on Linux v20.0 - Updated
API Reference Guide > PDF Component API Reference > PDF Component Objects Reference > General Objects > HIG_PDF_LAYER > IG_PDF_layer_has_usage_info

This function verifies whether a layer object is associated with a Usage dictionary.


Copy Code
AT_ERRCOUNT ACCUAPI IG_PDF_layer_has_usage_info(
        HIG_PDF_LAYER hLayer,
        LPAT_PDF_BOOL lpbHasUsage


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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