// Try random solutions.
private void randomButton_Click(object sender, EventArgs e)
{
randomTimeTextBox.Clear();
randomDiffTextBox.Clear();
set0ListBox.DataSource = null;
set1ListBox.DataSource = null;
Cursor = Cursors.WaitCursor;
Refresh();
int N = Values.Length;
Stopwatch watch = new Stopwatch();
watch.Start();
Partitions.Random(Values, Solution, N * N, out BestDifference);
watch.Stop();
ShowSolution(watch.Elapsed.TotalSeconds, randomTimeTextBox, randomDiffTextBox);
Cursor = Cursors.Default;
}