public static IExplorerClockEvolution generateClockEvolutionExplorer(IFormMainWindow baseWindow, bool force)
 {
     if (force)
     {
         return generateClockEvolutionExplorerForced(baseWindow);
     }
     else
     {
         if (_globalClockEvolutionExplorer == null)
         {
             _globalClockEvolutionExplorer = generateClockEvolutionExplorerForced(baseWindow);
         }
         return _globalClockEvolutionExplorer;
     }
 }
 private static void ClockEvolutionExplorerClosed(object sender, System.Windows.Forms.FormClosedEventArgs e)
 {
     _globalClockEvolutionExplorer = null;
 }