Public ReadOnly Property IsInDesignMode As Boolean

Dim instance As ISVirtualizingPanel
Dim value As Boolean
 
value = instance.IsInDesignMode

public bool IsInDesignMode {get;}

public read-only property IsInDesignMode: Boolean; 

public function get IsInDesignMode : boolean

public: __property bool get_IsInDesignMode();

public:
property bool IsInDesignMode {
   bool get();
}