LPFNIG_GUITHUMBMOUSE

In This Topic

This function is called when the user selects a thumbnail in window hWndThumbnail.

Declaration:

	Copy Code
typedef BOOL (ACCUAPI LPFNIG_GUITHUMBMOUSE) ( LPVOID lpPrivate, HWND hWndThumbnail, UINT nMouseAction, UINT nKeyFlags, UINT x, UINT y, UINT nIndex );

Name	Type	Description
lpPrivate	LPVOID	Far pointer to the private data passed.
hWndThumbnail	HWND	Thumbnail window handle.
nMouseAction	UINT	Mouse notification code. Possible values are: IG_GUI_MOUSE_LDOWN IG_GUI_MOUSE_LUP IG_GUI_MOUSE_LDBL IG_GUI_MOUSE_RDOWN IG_GUI_MOUSE_RUP IG_GUI_MOUSE IG_GUI_MOUSE_RDBL
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().