Example #1
1
        protected void ManageProgress(BindingSource bindingSource, DoubleBufferedDataGridView grid, FrameType frameType,
                                      int sleepTimer)
        {
            var progress = new Progress();
            progress.SetupAndShow(caller, 0, 0, false, true, waitHandle);

            progressSearched = 0;
            progressFound = 0;

            UpdateGridDelegate gridUpdater = UpdateGrid;
            var updateParams = new object[] {bindingSource};
            ResortGridDelegate gridSorter = ResortGrid;
            var sortParams = new object[] {bindingSource, grid, frameType};
            SetButtonDelegate setButton = SetGenerateButton;

            try
            {
                bool alive = true;
                while (alive)
                {
                    progress.ShowProgress(progressSearched/(float) progressTotal, progressSearched, progressFound);
                    if (refreshQueue)
                    {
                        caller.Invoke(gridUpdater, updateParams);
                        refreshQueue = false;
                    }
                    if (jobs != null)
                    {
                        foreach (Thread job in jobs)
                        {
                            if (job != null && job.IsAlive)
                            {
                                alive = true;
                                break;
                            }
                            alive = false;
                        }
                    }
                    if (sleepTimer > 0)
                        Thread.Sleep(sleepTimer);
                }
            }
            catch (ObjectDisposedException)
            {
                // This keeps the program from crashing when the Time Finder progress box
                // is closed from the Windows taskbar.
            }
            catch (Exception exception)
            {
                if (exception.Message != "Operation Cancelled")
                {
                    throw;
                }
            }
            finally
            {
                progress.Finish();

                if (jobs != null)
                {
                    foreach (Thread t in jobs)
                    {
                        if (t != null)
                        {
                            t.Abort();
                        }
                    }
                }

                caller.Invoke(setButton, true);
                caller.Invoke(gridSorter, sortParams);
            }
        }