private async void square_Click(object sender, EventArgs e)
{
figure = new Square(56);
await Task.Factory.StartNew(start_thread_parse);
}
private async void rhomb_Click(object sender, EventArgs e)
{
figure = new Rhomb(10, 180, 50, 50);
await Task.Factory.StartNew(start_thread_parse);
}
private async void circle_Click(object sender, EventArgs e)
{
figure = new Circle(2, 80, 56);
await Task.Factory.StartNew(start_thread_parse);
}