private void startToolStripMenuItem_Click(object sender, EventArgs e)
 {
     Text = "Bishop Exercise - Generating Solutions";
     startToolStripMenuItem.Enabled = false;
     Stop   = false;
     Finish = false;
     ResetBoard();
     for (int i = 0; i < 8 && !Stop; i++)
     {
         maxCol    = i + 1;
         solutions = 0;
         EnableCells(maxCol);
         for (int j = 0; j < maxCol && !Stop; j++)
         {
             board[maxCol - 1, j].BackgroundImage = BitmapGenerator.GenerateBishopCellImage(60, 60, cellColor[maxCol - 1, j]);
             Application.DoEvents();
             Thread.Sleep(100);
             solutions++;
             statisticPanel.Controls[maxCol - 1].BackgroundImage = BitmapGenerator.GenerateNumberImage(100, 60, solutions);
             Application.DoEvents();
             Thread.Sleep(100);
             MarkCells(maxCol - 1, j);
         }
         if (i > 1)
         {
             for (int j = 1; j < maxCol - 1 && !Stop; j++)
             {
                 board[0, j].BackgroundImage = BitmapGenerator.GenerateBishopCellImage(60, 60, cellColor[0, j]);
                 Application.DoEvents();
                 Thread.Sleep(100);
                 solutions++;
                 statisticPanel.Controls[maxCol - 1].BackgroundImage = BitmapGenerator.GenerateNumberImage(100, 60, solutions);
                 Application.DoEvents();
                 Thread.Sleep(100);
                 MarkCells(0, j);
             }
         }
     }
     startToolStripMenuItem.Enabled = true;
     Finish = true;
     Text   = "Bishop Exercise";
 }
 private void ShowStatistic()
 {
     while (!Finish)
     {
         Thread.Sleep(500);
     }
     Text = "Bishop Exercise";
     ResetBoard();
     int[] solutions = new int[9];
     solutions[1] = 1;
     solutions[2] = 2;
     for (int i = 3; i < 9; i++)
     {
         solutions[i] = i + (i - 2);
     }
     for (int i = 0; i < 8; i++)
     {
         statisticPanel.Controls[i].BackgroundImage = BitmapGenerator.GenerateNumberImage(100, 60, solutions[i + 1]);
     }
 }