If set to true, it will print as landscape if IsAutoRotate = false. If set to false, it will print as portrait if IsAutoRotate = false. It not set, it will use the printer default settings.

public bool IsLandscape { get; set; }

Public Property IsLandscape As Boolean
	Get
	Set

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