<CategoryAttribute("Common Properties")>
Public Property Percentage As Double

Dim instance As ExpandableContentPresenter
Dim value As Double
 
instance.Percentage = value
 
value = instance.Percentage

[CategoryAttribute("Common Properties")]
public double Percentage {get; set;}

public read-write property Percentage: Double; 

CategoryAttribute("Common Properties")
public function get,set Percentage : double

[CategoryAttribute("Common Properties")]
public: __property double get_Percentage();
public: __property void set_Percentage( 
   double value
);

[CategoryAttribute("Common Properties")]
public:
property double Percentage {
   double get();
   void set (    double value);
}