synchronization - How to sync draft emails via EWS API 2.0

Question

I use EWS API 2.0. And try to sync draft emails from Drafts via SyncFolderItems.

I create new email in Outlook and saved it in Drafts. And this email returns in SyncFolderItems (in ItemChange like new email for Drafts(like it normally, ChangeType.Create)). Then I send this draft email from Outlook (from Drafts), and any ItemChange doesn't come in SyncFolderItems request. (I wait for ChangeType.Delete, but nothing comes)

Does anybody know how to detect if Draft email was sent from Drafts?

Answer 1

问题已解决。由于两个并发同步正在运行而出现问题。