form application game object

Hello

vs 2015 monogame.forms windows project created

samplecontrol.cs->

protected override void Initialize ()
{
base.Initialize ();

         GraphicsDeviceManager graphics = new GraphicsDeviceManager(**this**);
        graphics.PreferredBackBufferWidth = 1024;
        graphics.PreferredBackBufferHeight = 768;
        graphics.IsFullScreen = true;

What can I type instead of this? There is no game in the form application