用户单击以关闭消息窗口时发生的事件

Question

Is there a way to know when a user clicks to close the message window and before the "do you want to save changes" dialog shows up? I've registered to the Inspector.Close event but it fires only after the user has decided to save/discard the changes: ((InspectorEvents_10_Event)Inspector).Close += OnInspectorClose;

Answer 1

OK, so apparently I need to use the event from the mail item, not the inspector. I need to register the handler inside eg. the NewInspector handler:

if (inspector.CurrentItem is MailItem)
{
  MailItem item = inspector.CurrentItem as MailItem;
  ((ItemEvents_10_Event)item).Close += OnItemClose;
}

And then prepare the handler:

private void OnItemClose(ref bool cancel) //ItemEvents_10_CloseEventHandler
{
  ((ItemEvents_10_Event)_lastOpenedItem).Close -= OnItemClose;
  _lastOpenedItem.Close(OlInspectorClose.olDiscard);
}

And this OnItemClose will execute before the Inspector's Close event fires ( ((InspectorEvents_10_Event)Inspector).Close ).