CairoExplorer.DockPanelSplitter.OnMouseMove C# (CSharp) Метод

        protected override void OnMouseMove(MouseEventArgs e)
        {
            if (IsMouseCaptured)
            {
                Point ptCurrent = e.GetPosition(Parent as IInputElement);
                Point delta = new Point(ptCurrent.X - StartDragPoint.X, ptCurrent.Y - StartDragPoint.Y);
                Dock dock = DockPanel.GetDock(this);

                if (IsHorizontal)
                    delta.Y = AdjustHeight(delta.Y, dock);
                else
                    delta.X = AdjustWidth(delta.X, dock);

                bool isBottomOrRight = (dock == Dock.Right || dock == Dock.Bottom);

                // When docked to the bottom or right, the position has changed after adjusting the size
                if (isBottomOrRight)
                    StartDragPoint = e.GetPosition(Parent as IInputElement);
                else
                    StartDragPoint = new Point(StartDragPoint.X + delta.X, StartDragPoint.Y + delta.Y);
            }
            base.OnMouseMove(e);
        }