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

Dim instance As UXRibbonGalleryPanel
Dim value As Double
 
instance.ItemWidth = value
 
value = instance.ItemWidth

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

public read-write property ItemWidth: Double; 

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

[CategoryAttribute("Common Properties")]
public: __property double get_ItemWidth();
public: __property void set_ItemWidth( 
   double value
);

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