public override void Send(SendOrPostCallback callback, object state)
{
if (callback == null) throw new ArgumentNullException("callback");
// Create an item and use a lambda to convert the SendOrPostCallback to a Func<object,object>
SynchronousRunLoopItem<object, object> item
= new SynchronousRunLoopItem<object, object>(s => { callback(s); return null; }, state, callback.Method);
// Queue up the item at the highest priority (since we'll be waiting for it to finish)
_runLoop.Enqueue(item, RunLoop.Priority.High);
// Wait for the RunLoop to execute it
item.ManualResetEvent.WaitOne();
// Rethrow any exceptions on the current thread
if (item.Exception != null) throw item.Exception;
}
protected override bool TryExecuteTaskInline(Task task, bool taskWasPreviouslyQueued)
{
// Create an item and use a lambda to call TryExecuteTask() and return it's result
SynchronousRunLoopItem<object, object> item
= new SynchronousRunLoopItem<object, object>(s => TryExecuteTask(task), null, null);
// Queue up the item at the highest priority (since we'll be waiting for it to finish)
_runLoop.Enqueue(item, RunLoop.Priority.High);
// Wait for the RunLoop to execute it
item.ManualResetEvent.WaitOne();
// Rethrow any exceptions on the current thread
// (though we shouldn't have any since TryExecuteTask should have handled them)
if (item.Exception != null) throw item.Exception;
// Return the result
return (bool) (item.Result ?? false);
}