_MailItem.ReadReceiptRequested property

Returns a Boolean (bool in C#) value that indicates True if a read receipt has been requested by the sender.

Namespace:  Microsoft.Office.Interop.Outlook
Assembly:  Microsoft.Office.Interop.Outlook (in Microsoft.Office.Interop.Outlook.dll)

bool ReadReceiptRequested { get; set; }

Property value

Type: System.Boolean

This property corresponds to the MAPI property PidTagReadReceiptRequested. Read/write for e-mail items that have been created but have not been sent or posted; read-only for sent e-mail items.