Gets or sets the X-Priority of this email message ('X-Priority' header) (Outlook specific). Value ranges from "1" to "5" where "1" is the highest priority, "3" is normal, and "5" is the lowest priority. Consider using GetGenericPriority()()()() as it also checks Priority and Importance properties.

Nullable<int> XPriority { get; set; }

Property XPriority As Nullable(Of Integer)
	Get
	Set

property Nullable<int> XPriority {
	Nullable<int> get ();
	void set (Nullable<int> value);
}