public void setUpGrid( )
{
//make space for the grid
grid = new TicTacToeButton[3, 3];
Point loc = new Point(0, 0);
//loop over the rows
for (int r = 0; r < 3; r++)
{
//loop over ea col in this row
for (int c = 0; c < 3; c++)
{
//create the buttons and place them in the 2-d array
grid[r, c] = new TicTacToeButton( );
//put the button on the form
this.Controls.Add(grid[r, c]);
//set the location for this button
grid[r, c].Location = loc;
//add the click event
grid[r, c].Click += new EventHandler(btn_click);
loc.X += TicTacToeButton.Btn_Size;
}
loc.Y += TicTacToeButton.Btn_Size;
loc.X = 0;
}
}
private void btn_click(object o, EventArgs e)
{
TicTacToeButton b = (TicTacToeButton)o;
if (xTurn)
{
b.BackColor = Color.Gold;
b.Text = "X";
}
else
{
b.BackColor = Color.Crimson;
b.Text = "O";
}
xTurn = !xTurn;
if (checkForWin( ) || checkForDraw())
{
resetBoard( );
}
}