LBitmapWindow::AddZoomView

#include "ltwrappr.h"

L_INT LBitmapWindow::AddZoomView(pZoomViewProps)

Creates a new Zoom View and associates it with the bitmap window control.

Parameters

pZOOMVIEWPROPS pZoomViewProps

Pointer to the ZOOMVIEWPROPS structure that contains the Zoom View settings to be created for the class object.

Returns

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

Comments

Starts a Zoom View procedure by attaching a zoomed view to the bitmap window.

When the zoomed 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.

For more information on the Zoom View options, refer to the ZOOMVIEWPROPS structure.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

L_INT LBitmapWindow__AddZoomViewExample(LBitmapWindow &BmpWnd) 
{ 
   L_INT nRet = 0; 
   ZOOMVIEWPROPS ZoomViewProps; 
 
   memset(&ZoomViewProps,0,sizeof(ZOOMVIEWPROPS)); 
 
   ZoomViewProps.uStructSize = sizeof(ZOOMVIEWPROPS); 
 
   SetRect(&ZoomViewProps.rcSrc, 0, 0, 100*100, 100*100); 
 
   SetRect(&ZoomViewProps.rcDst, 100*100, 100*100, 200*100, 200*100); 
 
   ZoomViewProps.nZoom = 200; 
 
   ZoomViewProps.bCallouts = TRUE; 
 
   ZoomViewProps.bForceDst = FALSE; 
 
   ZoomViewProps.crCallout = RGB(255,0,0); 
 
   ZoomViewProps.nCalloutPenStyle = 1; 
 
   ZoomViewProps.crZoomViewBorder = RGB(0,255,0); 
 
   ZoomViewProps.uZoomViewBorderStyle = ZOOMVIEWBORDERSTYLE_3D; 
 
   ZoomViewProps.nZoomViewPenStyle = 1; 
 
   ZoomViewProps.crSrcBorder = RGB(0,0,255); 
 
   ZoomViewProps.uSrcBorderStyle = 2; 
 
   ZoomViewProps.nSrcPenStyle = 0; 
 
   ZoomViewProps.bEnabled = TRUE; 
 
   nRet = BmpWnd.AddZoomView(&ZoomViewProps); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   BmpWnd.EnableHiliteZoomView(!BmpWnd.IsHiliteZoomViewEnabled()); 
 
   BmpWnd.SetToolType (TOOL_ZOOMVIEW); 
 
   BmpWnd.EnableDoubleBuffer (TRUE); 
    
 
   return SUCCESS; 
} 
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