A Method that waits for an Event to trigger or a timeout.

EventWait.cs

        using System.Threading;
        using System.Windows.Threading;
        
        /// <summary>
        /// Wait for an Event to trigger or for a timeout
        /// </summary>
        /// <param name="eventHandle">The event to wait for</param>
        /// <param name="timeout">Maximum time to wait</param>
        /// <returns>true if the event triggered, false on timeout</returns>
        private bool WaitForEvent(EventWaitHandle eventHandle, TimeSpan timeout)
        {
            bool didWait = false;
            var frame = new DispatcherFrame();
            new Thread(() =>
            {
                // asynchronously wait for the event/timeout
                didWait = eventHandle.WaitOne(timeout);
                // signal the secondary dispatcher to stop
                frame.Continue = false;
            }).Start();
            Dispatcher.PushFrame(frame); // start the secondary dispatcher, pausing this code
            return didWait;
        }