mmm.. para que kede tenes q crear la variable ne las declaracones generales:
x ej:
Dim i As Integer
Private Sub Command1_Click()
Timer1.Enabled = 1
End Sub
Private Sub Command2_Click()
Timer1.Enabled = 0
MsgBox i
End Sub
Private Sub Form_Load()
Timer1.Interval = 100
End Sub
Private Sub Timer1_Timer()
i = i + 1
End Sub
ahi t keda la variable guardada..
salu2 !