/// <summary>
/// Schedules an action to be executed.
/// </summary>
/// <typeparam name="TState">The type of the state passed to the scheduled action.</typeparam>
/// <param name="state">State passed to the action to be executed.</param>
/// <param name="action">Action to be executed.</param>
/// <returns>The disposable object used to cancel the scheduled action (best effort).</returns>
public override IDisposable Schedule <TState>(TState state, Func <IScheduler, TState, IDisposable> action)
{
if (action == null)
{
throw new ArgumentNullException(nameof(action));
}
if (_dispatcher.CheckAccess())
{
return(action(this, state));
}
var d = new SingleAssignmentDisposable();
_context.PostWithStartComplete(() =>
{
if (!d.IsDisposed)
{
d.Disposable = action(this, state);
}
});
return(d);
}