protected override void WndProc(ref Message m) { switch (m.Msg) { case (int)Win32.Msgs.WM_NCLBUTTONDOWN: { if (IsDisposed) { return; } uint result = Win32Helper.IsRunningOnMono ? 0 : NativeMethods.SendMessage(this.Handle, (int)Win32.Msgs.WM_NCHITTEST, 0, (uint)m.LParam); if (result == 2 && DockPanel.AllowEndUserDocking && this.AllowEndUserDocking) // HITTEST_CAPTION { Activate(); m_dockPanel.BeginDrag(this); } else { base.WndProc(ref m); } return; } case (int)Win32.Msgs.WM_NCRBUTTONDOWN: { uint result = Win32Helper.IsRunningOnMono ? Win32Helper.HitTestCaption(this) : NativeMethods.SendMessage(this.Handle, (int)Win32.Msgs.WM_NCHITTEST, 0, (uint)m.LParam); if (result == 2) // HITTEST_CAPTION { DockPane theOnlyPane = (VisibleNestedPanes.Count == 1) ? VisibleNestedPanes[0] : null; if (theOnlyPane != null && theOnlyPane.ActiveContent != null) { theOnlyPane.ShowTabPageContextMenu(this, PointToClient(Control.MousePosition)); return; } } base.WndProc(ref m); return; } case (int)Win32.Msgs.WM_CLOSE: if (NestedPanes.Count == 0) { base.WndProc(ref m); return; } for (int i = NestedPanes.Count - 1; i >= 0; i--) { DockContentCollection contents = NestedPanes[i].Contents; for (int j = contents.Count - 1; j >= 0; j--) { IDockContent content = contents[j]; if (content.DockHandler.DockState != DockState.Float) { continue; } if (!content.DockHandler.CloseButton) { continue; } if (content.DockHandler.HideOnClose) { content.DockHandler.Hide(); } else { content.DockHandler.Close(); } } } return; case (int)Win32.Msgs.WM_NCLBUTTONDBLCLK: { uint result = !DoubleClickTitleBarToDock || Win32Helper.IsRunningOnMono ? Win32Helper.HitTestCaption(this) : NativeMethods.SendMessage(this.Handle, (int)Win32.Msgs.WM_NCHITTEST, 0, (uint)m.LParam); if (result != 2) // HITTEST_CAPTION { base.WndProc(ref m); return; } DockPanel.SuspendLayout(true); // Restore to panel foreach (DockPane pane in NestedPanes) { if (pane.DockState != DockState.Float) { continue; } pane.RestoreToPanel(); } DockPanel.ResumeLayout(true, true); return; } case WM_CHECKDISPOSE: if (NestedPanes.Count == 0) { Dispose(); } return; } base.WndProc(ref m); }
protected void ShowTabPageContextMenu(Point position) { DockPane.ShowTabPageContextMenu(this, position); }