Indicates whether or not this is the Contact's preferred shipping address (address at which he/she/it wishes to receive orders). NOTE: PreferredShip can only be set to true. When one is set to true, all others are set to false.

public bool IsPreferredShip { get; set; }

Public Property IsPreferredShip As Boolean
	Get
	Set

public:
property bool IsPreferredShip {
	bool get ();
	void set (bool value);
}