Не рисует в form_load?! - VB

Private Sub Form_Load()
i = 19000 / 128
m = 10500 / 256
n = 100
s = 100
For b = 1 To 255
        For a = 1 To 127
       Line (n, s)-(n + i, s + m), vbRed, B
        n = n + i
        Next a
    n = 100
    s = s + m
    Next b
End Sub