Public Sub ExtensionProc()
ExtensionProc is called when your plug-in is chosen from the Plug-ins menu. It can use the ErrorProc function to display error messages.
Public Sub ExtensionProc() On Error GoTo ExtensionError MsgBox "Hello World!", vbInformation, "Test Plug-in" Exit Sub ExtensionError: Select Case EF.ErrorProc(Err) Case 1 Resume Case 2 Resume Next Case 3 MsgBox "Abort!" End Select End Sub