/// <summary>
/// Stopped listening to system events.
/// </summary>
/// <remarks>
/// Listen Form is showed by sub thread, It could not be directly closed by main thread.
/// </remarks>
public void Stop()
{
try {
log.Info("Stopping listening thread");
MethodInvoker invoker = new MethodInvoker(
delegate() { //Anonymous method for closing form.
listenForm.Close();
//Form thread will not automatically execute Dispose after close the form.
//If have not executed Dispose here, main thread will encounter an dispose error when exit application.
listenForm.Dispose();
listenForm = null;
}
);
listenForm.Invoke(invoker);
log.Debug("Listening form closed");
if (listenThread != null && listenThread.IsAlive)
{
listenThread.Join();
}
listenThread = null;
IsWorking = false;
} catch (System.Exception ex) {
log.Error("There are some errors when stop listening!", ex);
}
}
/// <summary>
/// Start Listening to system events
/// </summary>
/// <remarks>
/// Many system message API request a form. So a background model form will be loaded by a sub thread.
/// </remarks>
public void Start()
{
log.Info("Starting listening thread");
//ThreadStart entry = new ThreadStart(StartEntry);
listenThread = new Thread(
delegate() {
listenForm = new MessageListenForm(this);
listenForm.ShowDialog();
}
);
listenThread.Start();
IsWorking = true;
}
