Can anybody help?

I am trying to write a Vb.Net "AddIn" for Solidworks that shows a message box when ever the document (Assembly, Part or Drawing) is "SAVED" by pressing the "SAVE" button as well as showing a message box whenever the document (Assembly, Part or Drawing) is closed.

Below is my code so far....

Public Function ConnectToSW(ByVal ThisSW As Object, ByVal Cookie As Integer) As Boolean Implements