using System; using System.Collections; using System.ComponentModel; using System.Drawing; using System.Windows.Forms; namespace WeifenLuo.WinFormsUI.Docking { public partial class DockWindow { private class SplitterControl : SplitterBase { protected override int SplitterSize { get { return Measures.SplitterSize; } } protected override void StartDrag() { DockWindow window = Parent as DockWindow; if (window == null) return; window.DockPanel.BeginDrag(window, window.RectangleToScreen(Bounds)); } } } }