private void ClearLbxServerNodes() { if (this.InvokeRequired) { DelegateClearLbxServerNodes inv = new DelegateClearLbxServerNodes(this.ClearLbxServerNodes); this.Invoke(inv, new object[] { }); } else { Cursor.Current = Cursors.WaitCursor; this.LbxServerNodes.Items.Clear(); Cursor.Current = Cursors.Default; } }