问题 Is it possible to add a menu item to Quickbooks using the QBSDK? I have found a couple of old examples that I can't make work. I have created a custom application for my company and am trying to simplify it by making a menu item in Quickbooks. Any help would be greatly appreciated. Here is what I have tried so far, but I get an error message at the subAdd.SubscriberID.SetValue(Me.appGUID.ToString). The error is: * Invalid GUID format. Must use zero for Custom Fields, or a GUID generated with