Torches puzzle

puzzle.cs

void Main()
{
	int size = 6;
	CheckBox[,] buttons = new CheckBox[size,size];
	
	Form myform = new Form();
	var layout = new TableLayoutPanel();
	myform.Controls.Add(layout);
	layout.AutoSize = true;
	layout.ColumnCount = size;
	layout.RowCount = size;

	for(int i = 0; i < size; ++i) {
		for (int j = 0; j < size; ++j) {
			layout.Controls.Add(CreateButton(i, j, buttons, size));
		}
	}

	//Random r = new Random();
	//for(int n = 0; n < 50; ++n) {
	//	buttons[r.Next()%size, r.Next()%size].
	//}

	myform.ShowDialog();
	while (myform.Created)
	{
		Thread.Sleep(100);
	}
}

CheckBox CreateButton(int i, int j, CheckBox[,] buttons, int size)
{
	CheckBox newBox = new CheckBox(){
		Checked = true
	};
	newBox.Click += (o, s) =>
	{
		if (i-1 >= 0) {
			buttons[i-1, j].Checked = !buttons[i-1, j].Checked;
		}
		if (j - 1 >= 0)
		{
			buttons[i, j - 1].Checked = !buttons[i, j - 1].Checked;
		}
		if (i + 1 <size)
		{
			buttons[i+1, j].Checked = !buttons[i+1, j].Checked;
		}
		if (j + 1 < size)
		{
			buttons[i, j+1].Checked = !buttons[i, j+1].Checked;
		}
	};
	
	buttons[i,j] = newBox;

	return newBox;
}