Call this function to register a callback function to be called whenever a thumbnail is loaded in the thumbnail window hwndThumbnail.
Declaration:
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AT_ERRCOUNT ACCUAPI IG_GUI_thumbnail_load_CB_register( HWND hwndThumbnail, LPFNIG_GUITHUMBLOAD lpfnThumbLoad, LPVOID lpPrivateData ); |
Arguments:
Name | Type | Description |
hwndThumbnail | HWND | Windows handle to the Thumbnail window. |
lpfnThumbLoad | LPFNIG_GUITHUMBLOAD | A pointer to the callback function that you are registering, to be called whenever a thumbnail is loaded. |
lpPrivateData | LPVOID | A far pointer to any private data to which you want to pass the callback. |
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:
None
Example:
See example under LPFNIG_GUITHUMBLOAD function.
Remarks:
See also the description for callback type LPFNIG_GUITHUMBLOAD. |