Modules Property
You can use the Modules property to access the Modules collection and its related properties. Read-only Modules object.
expression.Modules
expression Required. An expression that returns one of the objects in the Applies To list.
Remarks
This property is available only by using Visual Basic.
Use the properties of the Modules collection in Visual Basic to refer to all open standard modules and class modules.
Example
The following example uses the Module property to insert the Beep method in a form's Open event.
Dim strFormOpenCode As String
Dim mdl As Module
Set mdl = Forms!MyForm.Module
strFormOpenCode = "Sub Form_Open(Cancel As Integer)" _
& vbCrLf & "Beep" & vbCrLf & "End Sub"
With mdl
.InsertText strFormOpenCode
End With