This function is called when the user selects a thumbnail in window hWndThumbnail.
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typedef BOOL (ACCUAPI LPFNIG_GUITHUMBMOUSE) (
LPVOID lpPrivate,
HWND hWndThumbnail,
UINT nMouseAction,
UINT nKeyFlags,
UINT x,
UINT y,
UINT nIndex
);
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| Name | Type | Description |
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| lpPrivate | LPVOID | Far pointer to the private data passed. |
| hWndThumbnail | HWND | Thumbnail window handle. |
| nMouseAction | UINT |
Mouse notification code. Possible values are:
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| nKeyFlags | UINT | WM_ flags for mouse messages. |
| x, y | UINT | Coordinates of the mouse pointer. |
| nIndex | UINT | Index of a thumbnail icon. |
This function should return TRUE to allow further zooming or to select an icon.
This function does not process image pixels.
None
This type of callback function is registered by a call to IG_GUI_thumbnail_mouse_CB_register().