小数点以下の入力制限

Private Sub txt_Change()
    FraLmt Me!txt, 2　　←テキストの内容を小数点以下２桁で制限する
End Sub

Sub FraLmt(d As TextBox, fd As Byte)
    Dim x
    If IsNull(d.Text) Then Exit Sub
    If 0 = Len(d.Text) Then Exit Sub
    If Not IsNumeric(d.Text) Then Exit Sub
   
    x = d.Text * 10 ^ fd
    If x - Fix(x) <> 0 Then
        d.Text = Fix(x) / (10 ^ fd)
        d.SelStart = Len(x)
    End If
End Sub