private void UnLightUpBorderOnGrid(int row, int col)
{
// remove from UI
Border b = GetLitSquareOnGrid(row, col);
if (b != null)
{
MainGrid.Children.Remove(b);
}
// remove from list
LitSquares.RemoveAll(l => l.x == row && l.y == col);
}
private void LightUpBorderOnGrid(int row, int col)
{
// store the grid coordinate of the border in its name
Border light = new Border {
Background = Brushes.Red, Opacity = 0.6, Name = "lb_" + row.ToString() + "_" + col.ToString()
};
light.MouseDown += LitSquareClicked;
Grid.SetRow(light, row);
Grid.SetColumn(light, col);
MainGrid.Children.Add(light);
LitSquares.Add(new coordinate(row, col));
}
