public Form1()
{
InitializeComponent();
r = new RateClass();
new Thread(() => r.Start()).Start();
System.Timers.Timer t = new System.Timers.Timer(500);
t.Elapsed += (s, e) => { this.BeginInvoke(new Action(() => this.textBox1.Text = r.Rate.ToString() ) ); };
t.Start();
}
public void GenNum(RateClass r)
{
Random num = new Random(); r.Rate = num.Next(100);
}