How to set the contact title using Exchange Web Services Managed API
问题 I'm trying to create a new contact using the EWS API. I can set all the values i needed except the contact title property. I tried the code: oContact = new Contact(oService); oContact.GivenName = "John"; oContact.Surname = "Doe"; oContact.Displayname = oContact.Surname; // set the title property as extended property // reference: http://msdn.microsoft.com/en-us/library/gg274394.aspx ExtendedPropertyDefinition oTitleProp = new ExtendedPropertyDefinition( new Guid("{00062004-0000-0000-C000