This function registers a callback function to be called when a GUI image window is destroyed.
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AT_ERRCOUNT ACCUAPI IG_GUI_window_CB_register (
HWND hWndImage,
LPFNIG_GUIWINDESTROY lpfnDestroy,
LPVOID lpPrivate
);
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| Name | Type | Description |
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| hWndImage | HWND | Image window handle. |
| lpfnDestroy | LPFNIG_GUIWINDESTROY | Far pointer to the callback function to be called when the window is destroyed. |
| lpPrivate | LPVOID | Far pointer to the private data (passed to the callback function). |
Returns the number of ImageGear errors that occurred during this function call.
This function does not process image pixels.
GUI Windows
See the example for function IG_GUI_window_create().
These are windows created by IG_GUI_window_create() or by currently GUI-associated calls to IG_GUI_window_associate().