L_WindowHasZoomView

#include "l_bitmap.h"

L_LTZMV_API L_BOOL L_WindowHasZoomView(hWnd)

HWND hWnd;

/* handle to a window */

Determines whether the specified window has a zoomed view attached to it.

This function is available in the Document and Medical Imaging toolkits.

Parameter	Description
hWnd	Handle to a window.

Returns

TRUE	The specified window has a zoomed view attached to it.
FALSE	The specified window does not have a zoomed view attached to it.

Comments

To attach a zoomed view to a window, call the L_CreateZoomView function. To display a zoomed view, call the L_RenderZoomView function.

When the zoomed view is no longer needed, call the L_DestroyZoomView function to stop the specified Zoom View procedure and to detach it from the window handle.

Required DLLs and Libraries

LTZMV

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.

See Also

Functions:	L_CreateZoomView, L_GetZoomViewProps, L_UpdateZoomView, L_DestroyZoomView, L_GetZoomViewsCount
Topics:	Using the Zoom View
	Raster Image Functions: Displaying Images
	Using the Magnifying Glass

Example

For an example, refer to L_CreateZoomView.