'Declaration

Public Property NeedAppearances As Boolean

public bool NeedAppearances { get; set; }

public: __property bool get_NeedAppearances();
public: __property void set_NeedAppearances(
   bool value
);

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

true - the viewer application must construct appearance streams and appearance properties for all widget annotations in the document.
false - the viewer application must NOT construct appearance streams and appearance properties for all widget annotations in the document.
Default value is false.