protected override bool ProcessRemovedPin(IPin2 pin) { DX11Node vn = this.graph.FindNode(pin.ParentNode); if (vn != null) { vn.RemovePin(pin.InternalCOMInterf.Name, pin.InternalCOMInterf.Direction); if (reg.pinconnections.ContainsKey(pin.InternalCOMInterf)) { reg.pinconnections.Remove(pin.InternalCOMInterf); } } return(false); }