'Declaration

Public Property AlphaIsShape As Boolean

public bool AlphaIsShape { get; set; }

public: __property bool get_AlphaIsShape();
public: __property void set_AlphaIsShape(
   bool value
);

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

True - the current soft mask and alpha constant must be interpreted as shape values; false - the current soft mask and alpha constant must be interpreted as opacity values.