当然-MailItem.PropertyChange事件将触发:

PropertyChange ("SendUsingAccount")
PropertyChange ("SentOnBehalfOfName")

您可以在 OutlookSpy 中看到实时事件-打开新项目，点击项目"按钮OutlookSpy功能区，请转到事件"选项卡-OutlookSpy会在引发事件时记录事件.

You can see the live events in OutlookSpy - open the new item, click Item button on the OutlookSpy ribbon, go to the Events tab - OutlookSpy will log the events as they are raised.