Returns a Boolean (bool in C#) value that indicates True if a read receipt has been requested by the sender.
Property ReadReceiptRequested As Boolean
Dim instance As _MailItem
Dim value As Boolean
value = instance.ReadReceiptRequested
instance.ReadReceiptRequested = value
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.