<CategoryAttribute("Appearance")>
Public Property PopupBorderThickness As Thickness

Dim instance As UXRibbonTabGroupBase
Dim value As Thickness
 
instance.PopupBorderThickness = value
 
value = instance.PopupBorderThickness

[CategoryAttribute("Appearance")]
public Thickness PopupBorderThickness {get; set;}

public read-write property PopupBorderThickness: Thickness; 

CategoryAttribute("Appearance")
public function get,set PopupBorderThickness : Thickness

[CategoryAttribute("Appearance")]
public: __property Thickness get_PopupBorderThickness();
public: __property void set_PopupBorderThickness( 
   Thickness value
);

[CategoryAttribute("Appearance")]
public:
property Thickness PopupBorderThickness {
   Thickness get();
   void set (    Thickness value);
}