Animation

Public Class Form1

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        If PictureBox1.Left < (Me.Width - 20) And PictureBox1.Top < (Me.Height - 20) Then
            PictureBox1.Left = PictureBox1.Left + 10
            PictureBox1.Top = PictureBox1.Top - 10
        Else
            PictureBox1.Left = 0
            PictureBox1.Top = 295
        End If
    End Sub

    Private Sub btnStart_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnStart.Click
        Timer1.Enabled = True
    End Sub

    Private Sub btnStop_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnStop.Click
        Timer1.Enabled = False
        PictureBox1.Left = 12
        PictureBox1.Top = 295
    End Sub

    Private Sub btnExit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExit.Click
        End
    End Sub
End Class