private static int DFS(Node Start)
 {
     if (Start.getGoal())
     {
         MessageBox.Show("Stigli smo do cilja, ura!");
         return(1);
     }
     else
     {
         int k = 0;
         Start.mark();
         Start.getButton().Visible = false;
         Start.getButton().Visible = true;
         System.Threading.Thread.Sleep(10);
         Start.getButton().BackColor = Color.Blue;
         Node[] Neighbours           = getUnmarkedNeighbours(Start, false);
         while (Neighbours[k] != null)
         {
             if (!Neighbours[k].isMarked() && !Neighbours[k].isBarrier())
             {
                 if (DFS(Neighbours[k]) == 1)
                 {
                     //                Neighbours[k].getButton().BackColor = Color.Orange;
                     return(1);
                 }
             }
             k++;
         }
         return(0);
     }
 }
 public static void BreadthFirstSearch(Node Start)
 {
     if (Start.isBarrier() || Start.getGoal())
     {
         MessageBox.Show("Nemoš tako!");
     }
     else
     {
         BFS(Start);
     }
 }
 public static void Azvezda(Node Start)
 {
     if (Start.isBarrier() || Start.getGoal())
     {
         MessageBox.Show("Nemoš tako!");
     }
     else
     {
         Astar(Start);
     }
 }
 public static void DepthFirstSearch(Node Start)
 {
     if (Start.isBarrier() || Start.getGoal())
     {
         MessageBox.Show("Nemoš tako!");
     }
     else
     if (DFS(Start) == 0)
     {
         MessageBox.Show("Ne postoji put :/");
     }
 }