static void on_sub_render_frame(IntPtr publisher, IntPtr userdata, IntPtr frame)
{
GCHandle handle = (GCHandle)userdata;
MainViewController v = (handle.Target as MainViewController);
v.DoRenderFrame(v.subscriber, frame);
}
//
// This method is invoked when the application has loaded and is ready to run. In this
// method you should instantiate the window, load the UI into it and then make the window
// visible.
//
// You have 17 seconds to return from this method, or iOS will terminate your application.
//
public override bool FinishedLaunching(UIApplication app, NSDictionary options)
{
// create a new window instance based on the screen size
window = new UIWindow(UIScreen.MainScreen.Bounds);
// If you have defined a root view controller, set it here:
rootVc = new MainViewController();
window.RootViewController = rootVc;
// make the window visible
window.MakeKeyAndVisible();
return(true);
}