ImageGear for C and C++ on Windows v19.0
IG_ARTX_GUI_register_hotspot_action
| API Reference Guide > ArtXGUI Component API Reference > ArtXGUI Component Functions Reference > IG_ARTX_GUI_register_hotspot_action |
This function is used to register a callback function that will be called from the ArtX GUI when a user clicks on a hotspot mark.
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void IG_ARTX_GUI_register_hotspot_action(
LPFNIG_ARTX_GUI_HOTSPOT_ACTION lpfnHotSpotAction,
LPVOID lpClientData
);
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| Name | Type | Description |
|---|---|---|
| lpfnHotSpotAction | LPFNIG_ARTX_GUI_HOTSPOT_ACTION | A callback to register. |
| lpClientData | LPVOID | Client data passed to the callback. |
None
This function does not process image pixels.
You can use this function in a PDF application to register a callback that would perform a PDF action associated with the hotspot mark's link.