Public Property ViewportSize As Double

Dim instance As UXScrollBar
Dim value As Double
 
instance.ViewportSize = value
 
value = instance.ViewportSize

public double ViewportSize {get; set;}

public read-write property ViewportSize: Double; 

public function get,set ViewportSize : double

public: __property double get_ViewportSize();
public: __property void set_ViewportSize( 
   double value
);

public:
property double ViewportSize {
   double get();
   void set (    double value);
}