CAI - Visual Basic - Libreria de funciones, Visual Basic

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Public Sub abrirDB(ByVal dbName As String, db As Database)
    Set db = OpenDatabase(App.Path & "\" & dbName & ".mdb")
End Sub

Public Sub cerrarDB(db As Database)
    db.Close
    Set db = Nothing
End Sub

Public Function abrirTabla(ByVal nombreTabla As String, db As Database) As Recordset
    Set abrirTabla = db.OpenRecordset(nombreTabla, dbOpenDynaset)
End Function

Public Sub cerrarTabla(ByRef nombreTabla As Recordset)
    nombreTabla.Close
    Set nombreTabla = Nothing
End Sub

Public Sub agregarComboPlaceholder(combo As ComboBox, texto As String)
    combo.AddItem (texto)
    combo.ItemData(combo.NewIndex) = -1
    combo.ListIndex = 0
End Sub

Public Sub agregarItemCombo(combo As ComboBox, tabla As Recordset, texto As String, codigo As String)
    combo.AddItem (tabla(texto))
    combo.ItemData(combo.NewIndex) = tabla(codigo)
End Sub

Public Sub agregarItemLista(lista As ListBox, texto As String, codigo As String)
    lista.AddItem (texto)
    lista.ItemData(lista.NewIndex) = codigo
End Sub

' Valida fecha
Private Sub validarFecha(txtFecha, fechaOk)
    Dim fechaAChequear as String
    fechaAChequear = Format(txtFecha, "dd/mm/yyyy")
    Dim hoy as String
    hoy = Format(Date(), "dd/mm/yyyy")

If IsDate(fechaAChequear) And fechaAChequear < hoy Then
        fechaOk = True
    Else
        MsgBox "Ingrese una fecha válida con formato dd/mm/yyyy"
    End If
End Sub

' Calculo entre fechas de nacimiento
Private Function calculoFechas (fecha as Date, difTiempo as Integer, periodo as String) As String
    calculoFechas = Format(DateAdd(periodo, -difTiempo, fecha), "yyyy-mm-dd")
End Sub

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