ARCed.UI.DockPanel.DockDragHandler.BeginDrag C# (CSharp) Method

            public void BeginDrag(IDockDragSource dragSource)
            {
                this.DragSource = dragSource;

                if (!BeginDrag())
                {
                    this.DragSource = null;
                    return;
                }

                this.Outline = new DockOutline();
                this.Indicator = new DockIndicator(this);
                this.Indicator.Show(false);

                this.FloatOutlineBounds = this.DragSource.BeginDrag(StartMousePosition);
            }