ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / Core Component API Reference / Core Component Functions Reference / Load Functions / IG_load_thumbnail
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    IG_load_thumbnail
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    This function loads a thumbnail (if one exists in the file) from file lpszFileName, and returns the HIGEAR handle of the resulting image to the HIGEAR object pointed to by argument lphIGear.

    Declaration:

     
    Copy Code 
    AT_ERRCOUNT ACCUAPI IG_load_thumbnail(
   const LPSTR szFileName,
   LPHIGEAR lphIGear
);

    Arguments:

    Name Type Description
    szFileName const LPSTR Name of file.
    lphIGear LPHIGEAR Pointer to HIGEAR variable to receive handle.

    Return Value:

    Returns 0 if successful. Otherwise, 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++.

    Sample:

    JPEG

     

     

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