Microsoft.Languages.Editor.Tasks.IdleTimeAsyncTask.DoTaskInternal C# (CSharp) Method

        private void DoTaskInternal() {
            Debug.Assert(_taskDoneEvent != null);
            Action finalAction;

            if (!IsDisposed) {
                object result = null;

                try {
                    result = _taskAction();
                } catch (Exception ex) {
                    Debug.Fail(String.Format(CultureInfo.CurrentCulture,
                        "Background task exception: {0}.\nInner exception: {1}\nInner exception callstack: {2}",
                        ex.Message,
                        ex.InnerException != null ? ex.InnerException.Message : "(none)",
                        ex.InnerException != null ? ex.InnerException.StackTrace : "(none)"));

                    result = ex;
                } finally {
                    finalAction = () => UIThreadCompletedCallback(result);
                }
            } else {
                finalAction = () => UIThreadCanceledCallback(null);
            }

            _taskDoneEvent.Set();

            _shell.DispatchOnUIThread(finalAction);
        }