MessageThreadUID Property

Gets UID of the message that is the root of this thread. This property is set by default. It may be null if Numbers is specified using ResultsAs(ResultType) method.

public long? UID { get; }

Public ReadOnly Property UID As Long?
	Get

public:
property Nullable<long long> UID {
	Nullable<long long> get ();
}

member UID : Nullable<int64> with get