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LBitmapWindow::UpdateZoomView

#include "ltwrappr.h"

L_INT LBitmapWindow::UpdateZoomView(pZoomViewProps)

Updates the specified Zoom View with new settings.

Parameters

pZOOMVIEWPROPS pZoomViewProps

Pointer to the ZOOMVIEWPROPS structure that contains the updated Zoom View settings.

Returns

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

Comments

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

To attach a zoomed view to a window, call the LBitmapWindow::AddZoomView function.

When a Zoom View is no longer needed, call the LBitmapWindow::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

Win32, x64.

Example

L_INT LBitmapWindow__UpdateZoomViewExample(LBitmapWindow &BmpWnd) 
{ 
   L_UINT uCount,i; 
   L_INT nRet = -1; 
   ZOOMVIEWPROPS ZoomViewProps; 
 
   memset(&ZoomViewProps,0,sizeof(ZOOMVIEWPROPS)); 
 
   if(BmpWnd.HasZoomView ()) 
   { 
      uCount = BmpWnd.GetZoomViewsCount (); 
      for(i=0; i < uCount;++i) 
      { 
         ZoomViewProps.uIndex = i; 
 
         nRet = BmpWnd.GetZoomViewProps(&ZoomViewProps, sizeof(ZoomViewProps)); 
         if(nRet != SUCCESS) 
            return nRet; 
 
 
         ZoomViewProps.bCallouts = FALSE; 
 
         nRet = BmpWnd.UpdateZoomView(&ZoomViewProps); 
         if(nRet != SUCCESS) 
            return nRet; 
      } 
   } 
 
   return SUCCESS; 
}