protected override void OnPaint(PaintEventArgs e)
{
Graphics g = e.Graphics;
ApplyTransform(g);
if (ai.numSpacesLeft() < 9)
{
this.computerStartsToolStripMenuItem.Enabled = false;
}
// Draw board
g.DrawLine(Pens.Black, block, 0, block, lineLength);
g.DrawLine(Pens.Black, 2 * block, 0, 2 * block, lineLength);
g.DrawLine(Pens.Black, 0, block, lineLength, block);
g.DrawLine(Pens.Black, 0, 2 * block, lineLength, 2 * block);
AI.CellSelection[,] grid = ai.currentGrid();
for (int i = 0; i < 3; ++i)
{
for (int j = 0; j < 3; ++j)
{
if (grid[i, j] == AI.CellSelection.O)
{
DrawO(i, j, g);
}
else if (grid[i, j] == AI.CellSelection.X)
{
DrawX(i, j, g);
}
}
}
}