L_INT LBitmapWindow::AddZoomView(pZoomViewProps)
Creates a new Zoom View and associates it with the bitmap window control.
Pointer to the ZOOMVIEWPROPS structure that contains the Zoom View settings to be created for the class object.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
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.
Win32, x64.
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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