Folder.MarkAllItemsAsUnread(Boolean) Method
Definition
Important
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Marks all items in folder as unread. The MarkAllItemsAsUnread(Boolean) method is applicable for clients that target Exchange Online and versions of Exchange starting with Exchange Server 2013.
public:
void MarkAllItemsAsUnread(bool suppressReadReceipts);public void MarkAllItemsAsUnread (bool suppressReadReceipts);Public Sub MarkAllItemsAsUnread (suppressReadReceipts As Boolean)Parameters
- suppressReadReceipts
- Boolean
true to suppress sending read receipts for items; otherwise, false.
Remarks
Calling this method results in a call to Exchange Web Services (EWS).