public static Gesture_Event_Sorting_Group Detect(List<My_Point> points,Gesture_Controler controler)
 {
     List<My_Point> result = new List<My_Point>();
     Gesture_Event_Grouping resturedCluster = null;
     Gesture_Event_Sorting_Group sortingGroupEvent = null;
     foreach (My_Point p in points)
     {
         if (p.Sender is Menu_Sort_Box)
         {
             foreach (Gesture_Event gesture in Gesture_List.GestureList)
             {
                 if (gesture is Gesture_Event_Grouping)
                 {
                     Gesture_Event_Grouping cluster = gesture as Gesture_Event_Grouping;
                     if (cluster.IsGrouping())
                     {
                         My_Point[] clusterPoints = cluster.Points;
                         if (Enclose_Helper.PNPoly(clusterPoints, p.CurrentPoint.Position.X, p.CurrentPoint.Position.Y))
                         {
                             resturedCluster = cluster;
                             result.Add(p);
                             foreach (My_Point clusterPoint in clusterPoints)
                             {
                                 result.Add(clusterPoint);
                             }
                             My_Point[] argPoints = result.ToArray();
                             object[] objects = new object[cluster.Senders.Length + 1];
                             objects[0] = cluster.Points[0].Sender;
                             for (int i = 0; i < cluster.Senders.Length; i++)
                             {
                                 objects[i + 1] = cluster.Senders[i];
                             }
                             sortingGroupEvent = new Gesture_Event_Sorting_Group();
                             sortingGroupEvent.Points = cluster.Points;
                             Gesture_List.addGesture(sortingGroupEvent);
                             Gesture_SortingGroup_Listener listener = new Gesture_SortingGroup_Listener(controler, sortingGroupEvent);
                             sortingGroupEvent.Register(objects, argPoints);
                         }
                     }
                 }
             }
         }
     }
     if (resturedCluster != null)
     {
         Gesture_List.removeGesture(resturedCluster);
         controler.Control.MainWindow.GroupingGestureLayer.Remove(resturedCluster);
         foreach (My_Point p in result)
         {
             points.Remove(p);
         }
         return sortingGroupEvent;
     }
     return null;
 }