I have this in one of my apps, there is some junk depending on what culture info we use, because its built for the swedish market. But I think you can filter out how its done....

Code:
With niFrontend
    .Visible = True
    Dim ci As System.Globalization.CultureInfo = System.Globalization.CultureInfo.CurrentCulture
    Dim mnu(1) As MenuItem
    If Strings.Left(ci.Name, 2) = "en" Then
        mnu(0) = New MenuItem("Tools...", New EventHandler(AddressOf Me.btnTools_Click))
        mnu(1) = New MenuItem("Quit", New EventHandler(AddressOf Me.btnClose_Click))
    Else
        mnu(0) = New MenuItem("Verktyg...", New EventHandler(AddressOf Me.btnTools_Click))
        mnu(1) = New MenuItem("Avsluta", New EventHandler(AddressOf Me.btnClose_Click))
    End If
    Dim niMenu As New ContextMenu(mnu)
    .ContextMenu = niMenu
End With
If you have added your contextmenu at designtime you wouldn't have to do any of this but only to set the contextmenu property of your notification menu to the added context menu.