gistfile1.txt

using System;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

public class HelloWorld : Form
{
	static public void Main ()
	{
		Application.Run (new HelloWorld ());
	}

	static Thread mt;

	public HelloWorld ()
	{
		mt = Thread.CurrentThread;
		TaskScheduler ts = TaskScheduler.FromCurrentSynchronizationContext (); // Get the UI task scheduler
		var task = Task.Factory.StartNew (() => {
		});
		var cont = task.ContinueWith (MyContinueWith, CancellationToken.None, TaskContinuationOptions.None, ts);
	}

	void MyContinueWith (Task t)
	{
		Console.WriteLine ("Got here");
		if (mt != Thread.CurrentThread)
			Console.WriteLine ("threads are different");
		if (SynchronizationContext.Current == null) // The current SynchronizationContext shouldn't be null here, but it is.
			Console.WriteLine ("SynchronizationContext.Current is null");
	}
}