public IntelliSenseWindow() { _listBox = new IntelliSenseBox(this); ToolStripControlHost tch = new ToolStripControlHost(_listBox); this.Items.Add(tch); tch.Padding = Padding.Empty; this.Padding = Padding.Empty; this.ImeMode = ImeMode.Disable; _cancelDelegate = new CancelDelegateT(this.Cancel); }