Call this function to register a callback function that is to be called whenever a thumbnail is created in the thumbnail window hWndThumbnail.
Declaration:
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AT_ERRCOUNT ACCUAPI IG_GUI_thumbnail_create_CB_register (
HWND hWndThumbnail,
LPFNIG_GUITHUMBCREATE lpfnThumbCreate,
LPVOID lpPrivate
);
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Arguments:
| Name | Type | Description |
| hWndThumbnail | HWND | Windows handle to the Thumbnail window. |
| lpfnThumbCreate | LPFNIG_GUITHUMBCREATE | A pointer to the callback function that you are registering, to be called whenever a thumbnail is created. |
| 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
Remarks:
See also the description for callback type LPFNIG_GUITHUMBCREATE.