Function References > L_GetZoomViewProps

L_GetZoomViewProps

#include "l_bitmap.h"

L_LTZMV_API L_INT L_GetZoomViewProps(hWnd, pZoomViewProps, uStructSize)

HWND hWnd;	handle to a window
pZOOMVIEWPROPS pZoomViewProps;	pointer to a structure
L_UINT32 uStructSize;	size in bytes, of the structure pointed to by pZoomViewProps

Gets the properties for the specified Zoom View.

Parameter	Description
hWnd	Handle to a window.
pZoomViewProps	Pointer to a ZOOMVIEWPROPS structure to be updated with options for controlling the behavior of the zoomed view. You must fill pZoomViewProps->uIndex before calling this function.
uStructSize	Size in bytes, of the structure pointed to by pZoomViewProps, for versioning. Use sizeof(ZOOMVIEWPROPS).

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

To attach a Zoom View to a window, call the L_CreateZoomView function.

When a Zoom 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.

To change the current options for the specified Zoom View, change the values in the structure pointed to by pZoomViewProps and pass a pointer to the updated structure to L_UpdateZoomView.

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

L_GetZoomViewProps

Returns

Comments

Example