private void MainForm_FormClosed(object sender, FormClosedEventArgs e)
{
if ((bool)thread?.IsAlive)
{
thread.Abort();
}
sort.bmp.Dispose();
sort = null;
}
public MainForm()
{
InitializeComponent();
this.FormBorderStyle = FormBorderStyle.FixedSingle;
masN = 20;
sort = new VisualiseSort(PictureBox, masN, delay);
sort.DrawMas();
thread = new Thread(new ThreadStart(Start));
timer1.Tick += new EventHandler(Update);
timer1.Interval = delay;
timer1.Start();
}