source: branches/2817-BinPackingSpeedup/HeuristicLab.Clients.Hive.Views/3.3/TreeView/NoDoubleClickTreeView.cs

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System;
using System.Windows.Forms;

namespace HeuristicLab.Clients.Hive.Views.TreeView {
  // Workaround for a well-known bug in TreeView
  // cf. https://stackoverflow.com/questions/6130297/c-how-to-avoid-treenode-check-from-happening-on-a-double-click-event
  public class NoDoubleClickTreeView : System.Windows.Forms.TreeView {
    protected override void WndProc(ref Message m) {
      // Suppress WM_LBUTTONDBLCLK
      if (m.Msg == 0x203) { m.Result = IntPtr.Zero; } else base.WndProc(ref m);
    }
  }
}