//button 1
private void btn_col1_Click(object sender, EventArgs e)
{
if (board.checkWin() == true)
{
DialogResult d = MessageBox.Show("There is a winner,Do you want to play again?", "Winner", MessageBoxButtons.YesNo);
if (d == DialogResult.Yes)
{
board.ResetBoard();
}
else if (d == DialogResult.No)
{
Application.Exit();
}
}
//insert piece into board
if (board.ColumnIsFull(0))
{
btn_col1.Enabled = false;
}
else
{
board.PlayPiece(col: 0);
this.Refresh();
board.NextTurn();
}
}
