| Public Class Form1 |
|   Dim x, y As Integer |
|
   rivate Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load |
|     x = 0 |
|     y = 0 |
|     Timer1.Interval = 100 |
|     Timer1.Enabled = True |
|   End Sub |
|
   rivate Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick |
|     Dim g As Graphics |
|     g = CreateGraphics() |
|     g.Clear(Color.White) |
|     x = x + 1 |
|     y = y + 1 |
|     g.FillEllipse(Brushes.Aquamarine, x, y, 30, 30) |
|
|     If (x + 60 > Me.Width) Then |
|       Timer1.Enabled = False |
|     End If |
|   End Sub |
| End Class |