Modul - Sistem Informasi Penjualan (VB6)

Untuk membuat modul pada program Visual Basic 6.0 lakukan dengan perintah berikut :
Click menu Project pilih Add Module, lalu tekan ENTER.

Berikut merupakan modul dari sistem informasi penjualan buku :

Function Found(cData As Data, cIndex As String, ctext As String, Status As Byte) As Boolean    Found = False
    If cData.Recordset.RecordCount <> 0 Then cData.Recordset.MoveFirst
    cData.Recordset.Index = cIndex
    cData.Recordset.Seek "=", ctext
    If Not cData.Recordset.NoMatch Then
        Found = True
    Else
        If Status <> 1 Then MsgBox "Record ini tidak terdaftar !!!", , "Record"
    End If
End Function
Sub Pindah(KeyAscii As Integer)   If KeyAscii = 13 Then
      KeyAscii = 0
      SendKeys "{Tab}"
   End If
End Sub

Function GotoNm(cData As Data, cIndex As String, ctext As String) As Boolean    cData.Recordset.Index = cIndex
    cData.Recordset.Seek "<=", ctext & "zzz"
    If Not cData.Recordset.NoMatch Then
      If Len(Trim(ctext)) >= 30 Then
         Beep
      End If
    End If
End Function
Function GotoKd(cData As Data, cIndex As String, ctext As String) As Boolean    cData.Recordset.Index = cIndex
    cData.Recordset.Seek "<=", ctext
    If cData.Recordset.NoMatch Then
      If Len(Trim(ctext)) >= 5 Then
         Beep
      End If
    End If
End Function