Ejemplo n.º 1
0
        /// <summary>
        /// Handle Recording Request by Hotkey (Shift + F7)
        /// </summary>
        void HandleRequestRecordingByHotkey()
        {
            if (this.CurrentPage == AppPage.Test && (TestView)this.CurrentView == TestView.TabStop)
            {
                ctrlTestMode.ctrlTabStop.ToggleRecording();
            }
            else if (this.CurrentPage == AppPage.Events)
            {
                ctrlEventMode.ctrlEvents.ToggleRecording();
            }
            else if (this.IsInSelectingState())
            {
                var sa = SelectAction.GetDefaultInstance();

                if (sa.HasPOIElement())
                {
                    var poi = GetDataAction.GetElementContext(sa.GetSelectedElementContextId().Value);
                    this.StartEventsMode(poi.Element);
                    UpdateMainWindowUI();
                }
                else
                {
                    MessageDialog.Show(Properties.Resources.HandleRequestRecordingByHotkeySelectElementMessage);
                }
            }
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Update Element Info UI(Properties/Patterns/Tests)
        /// </summary>
        /// <param name="ec"></param>
#pragma warning disable CS1998
        public async Task SetElement(Guid ecId)
        {
            var ec = GetDataAction.GetElementContext(ecId);

            if (ec != null)
            {
                this.ctrlTabs.CurrentMode = InspectTabMode.Events;
                try
                {
                    // the element context is special one for Event. so it doen't have any data yet.
                    // need to populate data with selected element.
                    var e = GetDataAction.GetA11yElementWithLiveData(ecId, 0);
                    this.ElementContext = ec;
                    this.ctrlEvents.SetElement(ec);
                    UpdateUI(e);
                    this.ctrlTabs.CtrlEventConfig.SetElement(e);
                }
#pragma warning disable CA1031 // Do not catch general exception types
                catch (Exception e)
                {
                    e.ReportException();
                    MessageDialog.Show(Properties.Resources.SetElementException);
                    this.Clear();
                }
#pragma warning restore CA1031 // Do not catch general exception types
            }
        }
Ejemplo n.º 3
0
        /// <summary>
        /// Selector timer event handler
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void OntimerSelectorElapsedEvent(object sender, ElapsedEventArgs e)
        {
            if (this.timerSelector != null)
            {
                if (AllowFurtherAction)
                {
                    Dispatcher.Invoke(delegate()
                    {
                        lock (this)
                        {
                            if (this.CurrentPage != AppPage.Exit && AllowFurtherAction)
                            {
                                var sa    = SelectAction.GetDefaultInstance();
                                var cecId = sa.GetSelectedElementContextId();
                                var cec   = cecId.HasValue ? GetDataAction.GetElementContext(cecId.Value) : null;
                                if (sa.Select())
                                {
                                    var ec = GetDataAction.GetElementContext(sa.GetSelectedElementContextId().Value);

                                    if ((cec == null || cec.Element.IsSameUIElement(ec.Element) == false) && ec.Element.IsRootElement() == false)
                                    {
                                        HandleTargetSelectionChanged();
                                    }
                                    if (!sa.IsPaused)
                                    {
                                        cec?.Dispose();
                                        cec = null;
                                    }
                                }
                            }
                        }
                    });
                }

                lock (this)
                {
                    EnableTimerSafely(timerSelector, true); // make sure that it is disabled.
                }
            }
            else
            {
                lock (this)
                {
                    EnableTimerSafely(timerSelector, false); // make sure that it is disabled.
                }
            }
        }
        /// <summary>
        /// Sets element context and updates UI
        /// </summary>
        /// <param name="ec"></param>
        public void SetElement()
        {
            var ecId = SelectAction.GetDefaultInstance().SelectedElementContextId;

            if (ecId.HasValue)
            {
                ElementContext ec = GetDataAction.GetElementContext(ecId.Value);
                this.ElementContext = ec;
                var brush         = Application.Current.Resources["HLTextBrush"] as SolidColorBrush;
                var overlayDriver = ClearOverlayDriver.GetDefaultInstance();
                overlayDriver.SetElement(ElementContext.Element, brush, null, 0);
                if (this.IsVisible && HighlightVisibility)
                {
                    overlayDriver.Show();
                }
            }
        }
 public IHttpActionResult ElementContext(Guid id)
 {
     try
     {
         // check whether Id exists first.
         if (GetDataAction.ExistElementContext(id))
         {
             return(Ok(GetDataAction.GetElementContext(id)));
         }
         else
         {
             return(NotFound());
         }
     }
     catch (Exception ex)
     {
         return(BadRequest(ex.ToString()));
     }
 }
        /// <summary>
        /// Update Element Info UI(Properties/Patterns/Tests)
        /// </summary>
        /// <param name="ec"></param>
#pragma warning disable CS1998
        public async Task SetElement(Guid ecId)
        {
            var ec = GetDataAction.GetElementContext(ecId);

            if (ec != null)
            {
                this.ctrlTabs.CurrentMode = InspectTabMode.Events;
                try
                {
                    // the element context is special one for Event. so it doen't have any data yet.
                    // need to populate data with selected element.
                    var e = GetDataAction.GetA11yElementWithLiveData(ecId, 0);
                    this.ElementContext = ec;
                    this.ctrlEvents.SetElement(ec);
                    UpdateUI(e);
                    this.ctrlTabs.CtrlEventConfig.SetElement(e);
                }
                catch
                {
                    MessageDialog.Show(Properties.Resources.SetElementException);
                    this.Clear();
                }
            }
        }
        /// <summary>
        /// Set Hot Key for event recording
        /// honor the value from Configuration file.
        /// </summary>
        private void SetHotKeyForToggleRecord()
        {
            SetHotKey(ConfigurationManager.GetDefaultInstance().AppConfig.HotKeyForRecord,
                      new Action(() =>
            {
                lock (_lockObject)
                {
                    Dispatcher.Invoke(() =>
                    {
                        lock (_lockObject)
                        {
                            if (this.CurrentPage == AppPage.Test && (TestView)this.CurrentView == TestView.TabStop)
                            {
                                ctrlTestMode.ctrlTabStop.ToggleRecording();
                            }
                            else if (this.CurrentPage == AppPage.Events && this.CurrentView != EventsView.Load)
                            {
                                ctrlEventMode.ctrlEvents.ToggleRecording();
                            }
                            else
                            {
                                var sa = SelectAction.GetDefaultInstance();

                                // make sure that POI is set.
                                if (this.IsInSelectingState() && sa.HasPOIElement())
                                {
                                    this.StartEventsMode(GetDataAction.GetElementContext(sa.GetSelectedElementContextId().Value).Element);
                                    UpdateMainWindowUI();
                                }
                            }
                        }
                    });
                }
            }),
                      ErrorMessage(ConfigurationManager.GetDefaultInstance().AppConfig.HotKeyForSnap));
        }
Ejemplo n.º 8
0
        /// <summary>
        /// set element
        /// </summary>
        /// <param name="ecId"></param>
        public async Task SetElement(Guid ecId)
        {
            if (GetDataAction.ExistElementContext(ecId))
            {
                try
                {
                    HollowHighlightDriver.GetDefaultInstance().HighlighterMode = HighlighterMode.Highlighter;

                    HollowHighlightDriver.GetDefaultInstance().SetElement(ecId, 0);

                    this.ctrlContrast.ActivateProgressRing();

                    ElementContext ec          = null;
                    string         warning     = string.Empty;
                    string         toolTipText = string.Empty;

                    await Task.Run(() =>
                    {
                        var updated = CaptureAction.SetTestModeDataContext(ecId, this.DataContextMode, Configuration.TreeViewMode);
                        ec          = GetDataAction.GetElementContext(ecId);

                        // send telemetry of scan results.
                        var dc = GetDataAction.GetElementDataContext(ecId);
                        if (dc.ElementCounter.UpperBoundExceeded)
                        {
                            warning = string.Format(CultureInfo.InvariantCulture,
                                                    Properties.Resources.SetElementCultureInfoFormatMessage,
                                                    dc.ElementCounter.UpperBound);
                        }
                    }).ConfigureAwait(false);

                    Application.Current.Dispatcher.Invoke(() =>
                    {
                        if (ec == null || ec.Element == null)
                        {
                            toolTipText = "No Eelement Selected!";
                        }
                        else
                        {
                            if (CCAControlTypesFilter.GetDefaultInstance().Contains(ec.Element.ControlTypeId))
                            {
                                Dispatcher.BeginInvoke(DispatcherPriority.Loaded, new Action(() =>
                                {
                                    this.ctrlContrast.SetElement(ec);
                                })).Wait();
                                toolTipText = string.Format(CultureInfo.InvariantCulture, "Ratio: {0}\nConfidence: {1}",
                                                            this.ctrlContrast.getRatio(), this.ctrlContrast.getConfidence());
                            }
                            else
                            {
                                toolTipText = "Unknown Element Type!";
                            }
                        }

                        MainWin.CurrentView = CCAView.Automatic;

                        HollowHighlightDriver.GetDefaultInstance().HighlighterMode = HighlighterMode.HighlighterTooltip;


                        HollowHighlightDriver.GetDefaultInstance().SetText(toolTipText);

                        // enable element selector
                        MainWin.EnableElementSelector();
                    });

                    this.ctrlContrast.DeactivateProgressRing();
                }
                catch (Exception ex)
                {
                    ex.ReportException();
                    Application.Current.Dispatcher.Invoke(() =>
                    {
                        MainWin.CurrentView = CCAView.Automatic;
                        HollowHighlightDriver.GetDefaultInstance().HighlighterMode = HighlighterMode.HighlighterTooltip;


                        HollowHighlightDriver.GetDefaultInstance().SetText("Unable to detect colors!");
                        // enable element selector
                        MainWin.EnableElementSelector();

                        this.ctrlContrast.DeactivateProgressRing();
                    });
                }
            }
        }
Ejemplo n.º 9
0
        /// <summary>
        /// Update Element Info UI(Properties/Patterns/Tests)
        /// </summary>
        /// <param name="ecId"></param>
        public async Task SetElement(Guid ecId)
        {
            this.ctrlProgressRing.Activate();

            EnableMenuButtons(this.DataContextMode != DataContextMode.Load);

            bool selectionFailure = false;

            try
            {
                this.ctrlHierarchy.IsEnabled = false;
                ElementContext ec = null;
                await Task.Run(() =>
                {
                    CaptureAction.SetTestModeDataContext(ecId, this.DataContextMode, Configuration.TreeViewMode);
                    ec = GetDataAction.GetElementContext(ecId);

                    // send telemetry of scan results.
                    var dc = GetDataAction.GetElementDataContext(ecId);
                    dc.PublishScanResults();
                }).ConfigureAwait(false);

                Application.Current.Dispatcher.Invoke(() =>
                {
                    if (ec != null && ec.DataContext != null)
                    {
                        this.ElementContext = ec;
                        this.ctrlTabs.Clear();
                        if (!SelectAction.GetDefaultInstance().IsPaused)
                        {
                            this.ctrlHierarchy.CleanUpTreeView();
                        }
                        this.ctrlHierarchy.SetElement(ec);
                        this.ctrlTabs.SetElement(ec.Element, false, ec.Id);

                        if (ec.DataContext.Screenshot == null && ec.DataContext.Mode != DataContextMode.Load)
                        {
                            Application.Current.MainWindow.WindowStyle           = WindowStyle.ToolWindow;
                            Application.Current.MainWindow.Visibility            = Visibility.Hidden;
                            HollowHighlightDriver.GetDefaultInstance().IsEnabled = false;

                            this.Dispatcher.BeginInvoke(DispatcherPriority.Loaded, new Action(() =>
                            {
                                ScreenShotAction.CaptureScreenShot(ecId);
                                Application.Current.MainWindow.Visibility  = Visibility.Visible;
                                Application.Current.MainWindow.WindowStyle = WindowStyle.SingleBorderWindow;
                            })).Wait();
                        }
                        var imageOverlay = ImageOverlayDriver.GetDefaultInstance();

                        imageOverlay.SetImageElement(ecId);
                        //disable button on highlighter.
                        imageOverlay.SetHighlighterButtonClickHandler(null);

                        if (Configuration.IsHighlighterOn)
                        {
                            imageOverlay.Show();
                        }
                    }

                    // if it is enforced to select a specific element(like fastpass click case)
                    if (ec.DataContext.FocusedElementUniqueId.HasValue)
                    {
                        this.ctrlHierarchy.SelectElement(ec.DataContext.FocusedElementUniqueId.Value);
                    }

                    if (!ec.DataContext.Elements.TryGetValue(ec.DataContext.FocusedElementUniqueId ?? 0, out A11yElement selectedElement))
                    {
                        selectedElement = ec.DataContext.Elements[0];
                    }
                    AutomationProperties.SetName(this, string.Format(CultureInfo.InvariantCulture, Properties.Resources.SetElementInspectTestDetail, selectedElement.Glimpse));

                    FireAsyncContentLoadedEvent(AsyncContentLoadedState.Completed);

                    // Set focus on hierarchy tree
                    Dispatcher.InvokeAsync(() => this.ctrlHierarchy.SetFocusOnHierarchyTree(), DispatcherPriority.Input).Wait();

                    ec.DataContext.FocusedElementUniqueId = null;
                });
            }
#pragma warning disable CA1031 // Do not catch general exception types
            catch (Exception e)
            {
                e.ReportException();
                Application.Current.Dispatcher.Invoke(() =>
                {
                    Application.Current.MainWindow.Visibility = Visibility.Visible;
                    EnableMenuButtons(false);
                    this.ElementContext = null;
                    selectionFailure    = true;
                });
            }
#pragma warning restore CA1031 // Do not catch general exception types
            finally
            {
                Application.Current.Dispatcher.Invoke(() =>
                {
                    this.ctrlProgressRing.Deactivate();
                    this.ctrlHierarchy.IsEnabled = true;

                    // if focus has gone to the window, we set focus to the hierarchy control. We do this because disabling the hierarchy control
                    // will throw keyboard focus to mainwindow, where it is not very useful.
                    if (Keyboard.FocusedElement is Window)
                    {
                        this.ctrlHierarchy.Focus();
                    }

                    if (selectionFailure)
                    {
                        MainWin.HandleFailedSelectionReset();
                    }
                    else
                    {
                        // Set the right view state :
                        if (MainWin.CurrentView is TestView iv && iv == TestView.ElementHowToFix)
                        {
                            MainWin.SetCurrentViewAndUpdateUI(TestView.ElementHowToFix);
                        }
        /// <summary>
        /// Sets element context and updates UI
        /// </summary>
        /// <param name="ecId"></param>
        public async Task SetElement(Guid ecId)
        {
            EnableMenuButtons(false); // first disable them to avoid any conflict.

            bool selectionFailure = false;

            if (GetDataAction.ExistElementContext(ecId))
            {
                EnableMenuButtons(this.DataContextMode != DataContextMode.Load);
                this.ctrlAutomatedChecks.Visibility = Visibility.Visible;
                this.tbSelectElement.Visibility     = Visibility.Collapsed;
                this.tabControl.IsEnabled           = true;

                try
                {
                    AutomationProperties.SetName(this, "Test");

                    this.tabControl.IsEnabled = false;
                    this.ctrlProgressRing.Activate();

                    ElementContext ec      = null;
                    string         warning = string.Empty;

                    await Task.Run(() =>
                    {
                        var updated = CaptureAction.SetTestModeDataContext(ecId, this.DataContextMode, Configuration.TreeViewMode);
                        ec          = GetDataAction.GetElementContext(ecId);

                        // send telemetry of scan results.
                        var dc = GetDataAction.GetElementDataContext(ecId);
                        if (dc.ElementCounter.UpperBoundExceeded)
                        {
                            warning = string.Format(CultureInfo.InvariantCulture,
                                                    Properties.Resources.SetElementCultureInfoFormatMessage,
                                                    dc.ElementCounter.UpperBound);
                            IsSaveEnabled = false;
                        }
                        dc.PublishScanResults();
                    }).ConfigureAwait(false);

                    Application.Current.Dispatcher.Invoke(() =>
                    {
                        if (ec.Element == null || ec.Element.Properties == null || ec.Element.Properties.Count == 0)
                        {
                            this.ctrlAutomatedChecks.ClearUI();
                            selectionFailure = true;
                        }
                        else
                        {
                            if (ec.DataContext.Screenshot == null && ec.DataContext.Mode != DataContextMode.Load)
                            {
                                if (ec.Element.BoundingRectangle.IsEmpty == true)
                                {
                                    MessageDialog.Show(Properties.Resources.noScreenShotAvailableMessage);
                                }
                                else
                                {
                                    Application.Current.MainWindow.WindowStyle = WindowStyle.ToolWindow;
                                    Application.Current.MainWindow.Visibility  = Visibility.Hidden;

                                    HollowHighlightDriver.GetDefaultInstance().IsEnabled = false;

                                    this.Dispatcher.BeginInvoke(DispatcherPriority.Loaded, new Action(() =>
                                    {
                                        ScreenShotAction.CaptureScreenShot(ecId);
                                        Application.Current.MainWindow.WindowStyle = WindowStyle.SingleBorderWindow;

                                        // This needs to happen before the call to ctrlAutomatedChecks.SetElement. Otherwise,
                                        // ctrlAutomatedChecks's checkboxes become out of sync with the highlighter
                                        Application.Current.MainWindow.Visibility = Visibility.Visible;
                                    })).Wait();
                                }
                            }
                            this.tabControl.IsEnabled = true;
                            this.ctrlAutomatedChecks.SetElement(ec);

                            this.ElementContext = ec;

                            if (ec.DataContext.Mode == DataContextMode.Test)
                            {
                                tbiTabStop.Visibility = Visibility.Visible;
                                this.ctrlTabStop.SetElement(ec);
                            }
                            else
                            {
                                tbiTabStop.Visibility = Visibility.Collapsed;
                            }

                            var count = ec.DataContext?.GetRuleResultsViewModelList()?.Count ?? 0;
                            AutomationProperties.SetName(this, Invariant($"{Properties.Resources.detectedFailuresMessagePart1} {this.ElementContext.Element.Glimpse}. {count} {Properties.Resources.detectedFailuresMessagePart2}"));

                            if (!string.IsNullOrEmpty(warning))
                            {
                                MessageDialog.Show(warning);
                            }
                            ///Set focus on automated checks tab.
                            FireAsyncContentLoadedEvent(AsyncContentLoadedState.Completed);
                        }
                    });
                }
                catch (Exception)
                {
                    Application.Current.Dispatcher.Invoke(() =>
                    {
                        Application.Current.MainWindow.Visibility = Visibility.Visible;
                        this.Clear();
                        selectionFailure = true;
                        EnableMenuButtons(false);
                        this.ElementContext = null;
                    });
                }
                finally
                {
                    Application.Current.Dispatcher.Invoke(() => {
                        this.ctrlProgressRing.Deactivate();
                    });
                }
            }

            Application.Current.Dispatcher.Invoke(() =>
            {
                // Set the right view state :
                if (selectionFailure)
                {
                    MainWin.HandleFailedSelectionReset();
                }
                else
                {
                    MainWin.SetCurrentViewAndUpdateUI(TestView.AutomatedTestResults);
                }

                // Improves the reliability of the rendering but does not solve across the board issues seen with all WPF apps.
                this.Dispatcher.BeginInvoke(DispatcherPriority.Send, new Action(() =>
                {
                    Application.Current.MainWindow.InvalidateVisual();
                    Application.Current.MainWindow.Visibility = Visibility.Visible;
                    this.tbiAutomatedChecks.Focus();
                })).Wait();
            });
        }
Ejemplo n.º 11
0
        /// <summary>
        /// Update selected element
        /// </summary>
        /// <param name="ecId">Element Context Id</param>
        public async Task SetElement(Guid ecId)
        {
            this.ElementContext                      = null;
            this.SelectedInHierarchyElement          = null;
            EnableSelectorWhenPOISelectedInHierarchy = false;

            var ec = GetDataAction.GetElementContext(ecId);

            if (ec != null)
            {
                var prevFocus = Keyboard.FocusedElement;

                try
                {
                    this.ctrlProgressRing.Activate();

                    this.ctrlHierarchy.IsEnabled = false;
                    ctrlHierarchy.Visibility     = Visibility.Visible;
                    svInstructions.Visibility    = Visibility.Collapsed;
                    await Task.Run(() =>
                    {
                        CaptureAction.SetLiveModeDataContext(ecId, Configuration.TreeViewMode);
                    }).ConfigureAwait(false);

                    Application.Current.Dispatcher.Invoke(() => {
                        this.ctrlHierarchy.DataContext = ec.DataContext;
                        this.ElementContext            = ec;

                        // make sure that  when selected node is changed in hiearchy tree, enable selector.
                        EnableSelectorWhenPOISelectedInHierarchy = true;

                        this.ctrlHierarchy.SetElement(ec);

                        AutomationProperties.SetName(this, string.Format(CultureInfo.InvariantCulture, "Live inspect with {0}", ec.Element.Glimpse));
                    });
                }
#pragma warning disable CA1031 // Do not catch general exception types
                catch (Exception e)
                {
                    e.ReportException();
                    // if there was any exception, make sure that we enable selector later.
                    EnableSelectorWhenPOISelectedInHierarchy = false;
                }
#pragma warning restore CA1031 // Do not catch general exception types
                finally
                {
                    this.ctrlProgressRing.Deactivate();
                    Application.Current.Dispatcher.Invoke(() =>
                    {
                        this.ctrlHierarchy.IsEnabled = true;

                        // if the previously focused element is no longer visible and focus has gone to the window,
                        // we will set focus back to the hierarchy control. We do this because disabling the hierarchy control
                        // will throw keyboard focus to mainwindow, where it is not very useful.
                        if (prevFocus is FrameworkElement fe && !fe.IsVisible && Keyboard.FocusedElement is Window)
                        {
                            this.ctrlHierarchy.Focus();
                        }
                    });
                }
            }
            else
            {
                Clear();
            }

            if (EnableSelectorWhenPOISelectedInHierarchy == false)
            {
                Application.Current.Dispatcher.Invoke(() => UpdateStateMachineForLiveMode());
            }
        }
        /// <summary>
        /// set element
        /// </summary>
        /// <param name="ecId"></param>
        public async Task SetElement(Guid ecId)
        {
            if (GetDataAction.ExistElementContext(ecId))
            {
                try
                {
                    HollowHighlightDriver.GetDefaultInstance().HighlighterMode = HighlighterMode.Highlighter;

                    HollowHighlightDriver.GetDefaultInstance().SetElement(ecId, 0);

                    this.ctrlContrast.ActivateProgressRing();

                    ElementContext ec          = null;
                    string         warning     = string.Empty;
                    string         toolTipText = string.Empty;

                    await Task.Run(() =>
                    {
                        var updated = CaptureAction.SetTestModeDataContext(ecId, this.DataContextMode, Configuration.TreeViewMode);
                        ec          = GetDataAction.GetElementContext(ecId);

                        // send telemetry of scan results.
                        var dc = GetDataAction.GetElementDataContext(ecId);
                        if (dc.ElementCounter.UpperBoundExceeded)
                        {
                            warning = string.Format(CultureInfo.InvariantCulture,
                                                    Properties.Resources.SetElementCultureInfoFormatMessage,
                                                    dc.ElementCounter.UpperBound);
                        }
                    }).ConfigureAwait(false);

                    Application.Current.Dispatcher.Invoke(() =>
                    {
                        if (ec == null || ec.Element == null)
                        {
                            toolTipText = Properties.Resources.ColorContrast_NoElementSelected;
                        }
                        else
                        {
                            if (ControlType.GetInstance().Values.Contains(ec.Element.ControlTypeId))
                            {
                                Dispatcher.BeginInvoke(DispatcherPriority.Loaded, new Action(() =>
                                {
                                    this.ctrlContrast.SetElement(ec);
                                })).Wait();
                                toolTipText = string.Format(CultureInfo.InvariantCulture, Properties.Resources.ColorContrast_RatioAndConfidenceFormat,
                                                            this.ctrlContrast.Ratio, this.ctrlContrast.Confidence);
                            }
                            else
                            {
                                toolTipText = Properties.Resources.ColorContrast_UnknownElementType;
                            }
                        }

                        MainWin.CurrentView = CCAView.Automatic;

                        HollowHighlightDriver.GetDefaultInstance().HighlighterMode = HighlighterMode.HighlighterTooltip;

                        HollowHighlightDriver.GetDefaultInstance().SetText(toolTipText);

                        // enable element selector
                        MainWin.EnableElementSelector();
                    });

                    this.ctrlContrast.DeactivateProgressRing();
                }
#pragma warning disable CA1031 // Do not catch general exception types
                catch (Exception ex)
                {
                    ex.ReportException();
                    Application.Current.Dispatcher.Invoke(() =>
                    {
                        MainWin.CurrentView = CCAView.Automatic;
                        HollowHighlightDriver.GetDefaultInstance().HighlighterMode = HighlighterMode.HighlighterTooltip;

                        HollowHighlightDriver.GetDefaultInstance().SetText(Properties.Resources.ColorContrast_UnableToDetectColors);
                        // enable element selector
                        MainWin.EnableElementSelector();

                        this.ctrlContrast.ClearUI();
                        this.ctrlContrast.DeactivateProgressRing();
                    });
                }
#pragma warning restore CA1031 // Do not catch general exception types
            }
        }