private void OnCanvasMouseDown(object sender, MouseButtonEventArgs e) { //if (e.LeftButton == MouseButtonState.Pressed) //{ var pos = e.GetPosition(LadderCanvas); var intPoint = IntPoint.GetIntpointByDouble(pos.X, pos.Y, 300); if (!IsSingleSelected()) { AcquireSelectRect(); } _parent.SelectionRect.X = intPoint.X; _parent.SelectionRect.Y = intPoint.Y; //} }