Invert.Core.GraphDesigner.MouseEvent.Cancel C# (CSharp) Method

        public void Cancel()
        {
            if (this.InputHandlers.Count > 0)
                this.InputHandlers.Pop();
        }
    }

 public override void OnMouseDown(MouseEvent e)
 {
     foreach (var a in PossibleConnections)
     {
         a.IsMouseOver = false;
     }
     e.Cancel();
 }