'Declaration

Public Property IsOpenNewWindow As System.Nullable(Of Boolean)

public System.Nullable<bool> IsOpenNewWindow { get; set; }

public: __property System.Nullable<bool> get_IsOpenNewWindow();
public: __property void set_IsOpenNewWindow(
   System.Nullable<bool> value
);

public:
property System.Nullable<bool> IsOpenNewWindow {
   System.Nullable<bool> get();
   void set(System.Nullable<bool> value);
}

True - the destination document should be opened in a new window; false - the destination document should replace the current document in the same window; null - the viewer application should honor the current user preference.