L_INT LBitmapWindow::UpdateZoomView(pZoomViewProps)
Updates the specified Zoom View with new settings.
Pointer to the ZOOMVIEWPROPS structure that contains the updated Zoom View settings.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
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.
Win32, x64.
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;
}
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