public Form1()
{
InitializeComponent();
ballDoc = new BallDoc();
timer1 = new Timer();
timer1.Start();
x = 20;
y = 40;
this.DoubleBuffered = true;
}
public Form1()
{
InitializeComponent();
Balls = new BallDoc();
this.DoubleBuffered = true;
left = 20;
top = 60;
width = this.Width - (3 * left);
height = this.Height - (int)(2.5 * top);
timer1.Start();
}