Dim swApp As SldWorks.SldWorks
Dim swModel As SldWorks.ModelDoc2
Dim swDraw As DrawingDoc
Dim swRefModel As SldWorks.ModelDoc2
Dim swView As SldWorks.View
Dim lerr As Long
Dim bstatus As Boolean
Dim allSheetViewArrays As Variant
Dim sheetViews As Variant
Dim swNote As Note
Dim swConfig As Configuration
Dim BOM_PN As String
Dim assembly As SldWorks.AssemblyDoc
Dim swExtension As ModelDocExtension
Dim cusPropMgr As SldWorks.CustomPropertyManager



Sub main()

    Set swApp = Application.SldWorks
    Set swModel = swApp.ActiveDoc
    MsgBox "Doing stuff"
    If swModel.GetType <> swDocDRAWING Then
        Msg = "Only Allowed on Drawings" ' Define message
        Style = vbOKOnly ' OK Button only
        Title = "Error" ' Define title
        Call MsgBox(Msg, Style, Title) ' Display error message
        Exit Sub ' Exit this program
    End If

    Set swDraw = swModel
    allSheetViewArrays = swDraw.GetViews
    For i = 0 To UBound(allSheetViewArrays)
        sheetViews = allSheetViewArrays(i)
        For j = 0 To UBound(sheetViews)

            Set swView = sheetViews(j)
            Set swRefModel = swView.ReferencedDocument

            Dim componentCunt As Integer
            Dim components As Variant
            Dim component As Component2
            Dim swModelPart As SldWorks.ModelDoc2
            Dim longstatus As Long
            Dim boolstatus As Boolean
            Dim swAnn As Annotation

            If Not swRefModel Is Nothing Then
                If swRefModel.GetType = swDocASSEMBLY Then
                    componentCount = swRefModel.GetComponentCount(True)
                    components = swRefModel.GetComponents(False)
                    For k = LBound(components) To UBound(components)
                        Set component = components(k)
                        Set swModelPart = component.GetModelDoc2

                        If swModelPart.GetType = swDocPART Then
                            Set swConfig = swModelPart.GetActiveConfiguration
                            Set cusPropMgr = swConfig.CustomPropertyManager
                            Set swNote = swRefModel.InsertNote("note my friend")

                            If Not swNote Is Nothing Then
                                swNote.LockPosition = False
                                swNote.Angle = 0
                                boolstatus = swNote.SetBalloon(9, 0)
                                Set swAnn = swNote.GetAnnotation()
                            End If

                        End If
                    Next k

                End If
            End If

            Set swView = swView.GetNextView
        Next j

    Next i


End Sub