ImageGear for C and C++ on Linux v20.0 - Updated
API Reference Guide > PDF Component API Reference > PDF Component Objects Reference > Basic Objects > HIG_PDF_BASDICT > IG_PDF_basdict_known

Tests whether a specific key is found in the specified dictionary.


Copy Code
        HIG_PDF_BASOBJ hDictionary,
        HIG_PDF_ATOM hKey,
        LPAT_PDF_BOOL lpbKnown 


Name Type Description
hDictionary HIG_PDF_BASOBJ The dictionary in which to look for key.
hKey HIG_PDF_ATOM The key to find. See the PDF Reference to obtain the names of keys in dictionary objects that are part of standard PDF, such as annotations or page objects.
lpbKnown LPAT_PDF_BOOL TRUE if the value of a key is known (exists and is not null) in hDictionary; FALSE otherwise.

Return Value:

Error count.

Supported Raster Image Formats:

This function does not process image pixels.

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