ImageGear for C and C++ on Windows v19.4 - Updated
LPFNIG_ARTX_GUI_HOTSPOT_ACTION
API Reference Guide > ArtXGUI Component API Reference > ArtXGUI Component Callback Functions Reference > LPFNIG_ARTX_GUI_HOTSPOT_ACTION

The callback function declaration used to register a callback method called from the ArtX GUI when the user clicks on a hotspot mark.

Declaration:

 
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typedef AT_BOOL (LPACCUAPI LPFNIG_ARTX_GUI_HOTSPOT_ACTION)(
        HIG_ARTX_HOTSPOT hHotSpot,
        LPVOID clientData
);

Arguments:

Name Type Description
hHotSpot HIG_ARTX_HOTSPOT Handle to the hotspot mark that was clicked.
clientData LPVOID Client data passed to IG_ARTX_GUI_register_hotspot_action.

Supported Raster Image Formats:

This function does not process image pixels.