private void btnRandomize_Click(object sender, EventArgs e)
        {
            _lifeGame.Randomize(_probability);
            _stepNumber = 0;

            updateFormVisuals();
        }
        private void runTest(int gridSize)
        {
            LifeGame lifeSim = new LifeGame(gridSize);

            lifeSim.Randomize(.25);

            int startCount = lifeSim.LiveCellCount;

            _startTime = DateTime.Now;
            for (int i = 0; i < 1000; i++)
            {
                lifeSim.Step();
            }
            _stopTime = DateTime.Now;

            MessageBox.Show("Initial population of " + startCount +
                            ".\n\n1000 random generations took " + (_stopTime - _startTime));
        }