Public Delegate Sub BarcodeReader.ImageOpenedEventHandler( _
   ByVal sender As Object, _
   ByVal e As ImageOpenedEventArgs _
) 

Dim instance As New BarcodeReader.ImageOpenedEventHandler(AddressOf HandlerMethod)

public delegate void BarcodeReader.ImageOpenedEventHandler( 
   object sender,
   ImageOpenedEventArgs e
)

public delegate BarcodeReader.ImageOpenedEventHandler( 
    sender: TObject;
    e: ImageOpenedEventArgs
);

public delegate BarcodeReader.ImageOpenedEventHandler( 
   sender : Object,
   e : ImageOpenedEventArgs
)

public: __gc __delegate void BarcodeReader.ImageOpenedEventHandler( 
   Object* sender,
   ImageOpenedEventArgs* e
)

public delegate void BarcodeReader.ImageOpenedEventHandler( 
   Object^ sender,
   ImageOpenedEventArgs^ e
)