Error when I try to read/update the .Body of a Task via EWS Managed API - “You must load or assign this property before you can read its value.”

Question

I am using the Exchange Web Services Managed API to work with Tasks (Exchange 2007 SP1). I can create them fine. However, when I try to do updates, it works for all of the

Answer 1

You can load properties using a custom property set. Some properties are Extended properties instead of FirstClassProperties.

Little example:

        _customPropertySet = new PropertySet(BasePropertySet.FirstClassProperties, AppointmentSchema.MyResponseType, AppointmentSchema.IsMeeting, AppointmentSchema.ICalUid);
        _customPropertySet.RequestedBodyType = BodyType.Text;
        appointment.Load(_customPropertySet);