TheHistoryParameters..::..IgnoreExistingHistory Property

By default any available history will be returned. IgnoreExistingHistory = true returns only updates that arrive after the registration

public Nullable<bool> IgnoreExistingHistory { get; set; }

Public Property IgnoreExistingHistory As Nullable(Of Boolean)
	Get
	Set

public:
property Nullable<bool^> IgnoreExistingHistory {
	Nullable<bool^> get ();
	void set (Nullable<bool^> value);
}