private void MainForm_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
int cellLength = gridLength / game.NumCells;
for (int r = 0; r < game.NumCells; r++)
{
for (int c = 0; c < game.NumCells; c++)
{
// Get proper pen and brush for on/off grid section
Brush brush;
Pen pen;
if (game.IsLightOn(r, c))
{
pen = Pens.Black;
brush = Brushes.White; // On
}
else
{
pen = Pens.White;
brush = Brushes.Black; // Off
}
// Determine (x,y) coord of row and col to draw rectangle
int x = c * cellLength + GridOffset;
int y = r * cellLength + GridOffset;
// Draw outline and inner rectangle
g.DrawRectangle(pen, x, y, cellLength, cellLength);
g.FillRectangle(brush, x + 1, y + 1, cellLength - 1, cellLength - 1);
}
}
}
