IG_GUI_window_CB_register
This function registers a callback function to be called when a GUI image window is destroyed.
Declaration:
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Copy Code
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AT_ERRCOUNT ACCUAPI IG_GUI_window_CB_register (
HWND hWndImage,
LPFNIG_GUIWINDESTROY lpfnDestroy,
LPVOID lpPrivate
);
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Arguments:
Name |
Type |
Description |
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). |
Return Value:
Returns the number of ImageGear errors that occurred during this function call.
Supported Raster Image Formats:
This function does not process image pixels.
Sample:
GUI Windows
Example:
See the example for function IG_GUI_window_create().
Remarks:
These are windows created by IG_GUI_window_create() or by currently GUI-associated calls to IG_GUI_window_associate().