| Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. | 
L_WindowHasMagGlass
#include "l_bitmap.h"
L_LTDIS_API L_BOOL L_WindowHasMagGlass(hWnd)
| L_HWND hWnd; | /* handle to a window */ | 
Determines whether the specified window has a magnifying glass attached to it.
| Parameter | Description | 
| hWnd | Handle to a window. This function will determine whether there is a magnifying glass attached to this window. | 
Returns
| TRUE | The specified window has a magnifying glass attached to it. | 
| FALSE | The specified window does not have a magnifying glass attached to it. | 
Comments
To attach the magnifying glass to a window, call L_StartMagGlass or L_StartMagGlass.
When the magnifying glass is no longer needed, call L_StopMagGlass to stop the magnifying glass procedure and to detach it from the window handle.
Required DLLs and Libraries
| LTDIS For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. | 
Platforms
Windows 2000 / XP/Vista, Windows CE.
See Also
| Functions: | L_StartMagGlass, L_StartMagGlass, L_StopMagGlass, L_CreateZoomView, L_GetZoomViewProps, L_UpdateZoomView, L_DestroyZoomView, L_GetZoomViewsCount, L_WindowHasZoomView, ZOOMVIEWPROPS | 
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Example
For an example, refer to L_StartMagGlass.