public static NVCFND.Point Transform(this TransformGroup xfrm, NVCFND.Point inPoint)
{
Point intermediatePoint = new Point(inPoint.x, inPoint.y);
var nxtIntPt = xfrm.Transform(intermediatePoint);
return(new NVCFND.Point(nxtIntPt.X, nxtIntPt.Y));
}
public static WIN.Point Transform
(this TransformGroup xfg,
NVCFND.Point ptPreXfrm
)
{
pt = new WIN.Point(ptPreXfrm.x, ptPreXfrm.y);
return(xfg.Transform(pt));
}
private void local_MouseWheel(object sender, MouseWheelEventArgs e)
{
Double actualScale = wheelZoomFactor;
int sign = Math.Sign(e.Delta);
if (sign > 0)
{
actualScale = 1.0 / wheelZoomFactor;
}
WIN.Point screenPt = e.GetPosition(this);
NVCFND.Point zoomPt = GetWorldPoint(screenPt);
this.myCadViewPort.ScaleAbout(zoomPt, actualScale);
}