/// <summary> /// Represents the method that will handle the OnException event. /// </summary> public virtual void OnException(ThreadHandlerExceptionArgs arg) { throw arg.Ex; }
/// <summary> /// Threads main function. /// </summary> private void Worker() { // Create the event-arg-object which will be used in each event. ThreadHandlerEventArgs evArgs = null; lock (this) { evArgs = new ThreadHandlerEventArgs(this); } // NOTE: // Locking is not necessary if you assume, that all the events are assigned before starting the thread. // ALSO even if locking is implemented, there can a PROBLEM still arise if the last delegate function is removed after the lock on the thread is released and before the event is raised. try { try { // MAIN FUNCTION System.Threading.Monitor.Enter(this); if (OnJob != null) { System.Threading.Monitor.Exit(this); OnJob(evArgs); System.Threading.Monitor.Enter(this); } System.Threading.Monitor.Exit(this); // NOTE: It is also possible to abort the finish event !!! System.Threading.Monitor.Enter(this); if (OnFinish != null) { System.Threading.Monitor.Exit(this); OnFinish(evArgs); System.Threading.Monitor.Enter(this); } System.Threading.Monitor.Exit(this); } catch (System.Threading.ThreadAbortException) { // WHEN ABORTING // NOTE: If you call ResetAbort the ThreadAbortException will not be re-throw-ed after each catch block... Code after block finally will also be executed... // System.Threading.Thread.ResetAbort(); System.Threading.Monitor.Enter(this); if (OnAbort != null) { System.Threading.Monitor.Exit(this); OnAbort(evArgs); System.Threading.Monitor.Enter(this); } System.Threading.Monitor.Exit(this); } } catch (System.Threading.ThreadAbortException) { // Ignore this king of exception, it was already handled...but if not reseted, it is automatically re-thrown. } catch (Exception ex) { // HANDLING EXCEPTIONS System.Threading.Monitor.Enter(this); if (OnException != null) { ThreadHandlerExceptionArgs exArgs = new ThreadHandlerExceptionArgs(this, ex); System.Threading.Monitor.Exit(this); OnException(exArgs); System.Threading.Monitor.Enter(this); } System.Threading.Monitor.Exit(this); } finally { // CLEAN-UP - NOTE: Exceptions are not handled here, so be careful! System.Threading.Monitor.Enter(this); if (OnTerminate != null) { System.Threading.Monitor.Exit(this); OnTerminate(evArgs); System.Threading.Monitor.Enter(this); } System.Threading.Monitor.Exit(this); } // This line executes only, when ThreadAbortException is Reset-ed... System.Console.WriteLine("HALO..."); }
/// <summary> /// Represents the method that will handle the OnException event. /// </summary> public virtual void OnException(ThreadHandlerExceptionArgs arg) { throw arg.Ex; }