public static T RunAsync <T>(Func <Task <T> > asyncMethod)
{
if (asyncMethod == null)
{
throw new ArgumentNullException("asyncMethod");
}
var prevCtx = SynchronizationContext.Current;
try
{
var syncCtx = new UnitySynchronizationContext(false);
SynchronizationContext.SetSynchronizationContext(syncCtx);
var t = asyncMethod();
if (t == null)
{
throw new InvalidOperationException("No task provided.");
}
t.ContinueWith(delegate { syncCtx.Complete(); }, TaskScheduler.Default);
syncCtx.RunOnCurrentThread();
return(t.GetAwaiter().GetResult());
}
finally { SynchronizationContext.SetSynchronizationContext(prevCtx); }
}
