Dim Comprobar As String, X As Long
Dim N As Byte, L As Byte, O As Byte, J As Byte

Private Sub Command1_Click()
For L = 32 To 128
    Comprobar = Chr(L)
    Text2.Text = Comprobar
    Text2.Refresh
    If Text1.Text = Comprobar Then
    MsgBox "Listo " & Chr(L)
    Exit Sub
    End If
Next L
L = 0

For L = 32 To 128
    For N = 32 To 128
        Comprobar = Chr(L) & Chr(N)
        Text2.Text = Comprobar
        Text2.Refresh
        If Text1.Text = Comprobar Then
        MsgBox "Listo " & Chr(L) & Chr(N)
        Exit Sub
        End If
    Next N
Next L
L = 0
N = 0
For L = 32 To 128
    For N = 32 To 128
        For O = 32 To 128
            Comprobar = Chr(L) & Chr(N) & Chr(O)
            Text2.Text = Comprobar
            Text2.Refresh
            If Text1.Text = Comprobar Then
            MsgBox "Listo " & Chr(L) & Chr(N) & Chr(O)
            Exit Sub
            End If
        Next O
    Next N
Next L
L = 0
N = 0
O = 0

For L = 32 To 128
    For N = 32 To 128
        For O = 32 To 128
            For J = 32 To 128
                Comprobar = Chr(L) & Chr(N) & Chr(O) & Chr(J)
                Text2.Text = Comprobar
                Text2.Refresh
                If Text1.Text = Comprobar Then
                MsgBox "Listo " & Chr(L) & Chr(N) & Chr(O) & Chr(J)
                Exit Sub
                End If
            Next J
        Next O
    Next N
Next L

MsgBox "no se encontro"
End Sub

AppActivate "nombre de la ventana"
SsendKeys comprobar