private void OnIsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
{
if (!(bool)e.NewValue)
{
this.lastRenderingTime = TimeSpan.Zero;
this.frameRateList.Clear();
this.historyPoint = null;
this.nextHistoryPoint = null;
this.isReady = false;
this.isPinned = false;
this.closeIsHover = false;
this.backIsHover = false;
this.upIsHover = false;
this.downIsHover = false;
this.attachmentsAreHover = false;
this.titleIsHover = false;
this.subtitleIsHover = false;
this.imageIsHover = false;
this.authorIsHover = false;
this.hoverEmbeddedIndex = null;
this.hoverTagIndex = null;
this.messageIsScrollable = false;
this.enableFilter = false;
this.minScore = 0;
this.maxScore = 0;
this.thresholdQueue.Clear();
this.thresholdScore = 0;
this.previousThresholdScore = 0;
this.nextThresholdScore = 0;
this.thresholdScoreStep = 0;
this.isReversed = false;
this.scrollQueue.Clear();
this.selectedPositionQueue.Clear();
this.sourceScrollPosition = 0;
this.targetScrollPosition = 0;
this.scrollIndexStep = 0;
this.hoverIndex = null;
this.selectedIndex = null;
this.selectedPosition = null;
this.sourceScaleX = this.sourceScaleY = 0;
this.targetScaleX = this.targetScaleY = 0;
this.popupStep = 0;
this.resizeStep = 0;
this.scrollStep = null;
this.filterStep = null;
this.liftStep = null;
this.closeBlinkStep = 0;
this.backBlinkStep = 0;
this.upBlinkStep = 0;
this.downBlinkStep = 0;
this.imageBlinkStep = 0;
this.titleScrollStep = null;
this.subtitleScrollStep = null;
this.authorScrollStep = null;
this.tagScrollStepDictionary.Clear();
this.titleIsScrollable = false;
this.subtitleIsScrollable = false;
this.authorIsScrollable = false;
this.tagIsScrollableHashSet.Clear();
this.counterScrollStep = null;
this.inspectorFadeStep = null;
this.imageLoadStep = 0;
this.imageSlideStep = 0;
this.imagePopupStep = 0;
this.sourceOpacity = 0;
this.targetOpacity = 0;
this.inspectorEntry = null;
this.previousInspectorEntry = null;
this.nextInspectorEntry = null;
this.circulationQueue.Clear();
this.previousCirculationIndex = 0;
this.nextCirculationIndex = 0;
this.circulationStep = 0;
this.mouseDownPosition = null;
this.imageUriQueue.Clear();
this.imageUri = null;
this.cachedBitmapImage = null;
this.messageBuffer = new StringBuilder();
this.targetMessageLength = 0;
this.randomMessageLength = 0;
this.inlineList.Clear();
this.embedColorStepDictionary.Clear();
this.embedScrollStepDictionary.Clear();
this.embedIsScrollableHashSet.Clear();
this.attachmentFadeStepDictionary.Clear();
this.attachmentImageLoadingStepDictionary.Clear();
this.attachmentImageSlideStepDictionary.Clear();
this.attachmentImagePopupStepDictionary.Clear();
this.attachmentHighlightStepDictionary.Clear();
this.attachmentEnableStepDictionary.Clear();
this.attachmentFilterStepDictionary.Clear();
this.attachmentScrollStepDictionary.Clear();
this.attachmentIsScrollableHashSet.Clear();
this.attachmentImageDictionary.Clear();
this.cachedInlineImageDictionary.Clear();
this.cachedAttachmentThumbnailImageDictionary.Clear();
this.cachedAttachmentTextImageDictionary.Clear();
this.cachedCounterCanvas = null;
this.cachedTitleImageDictionary.Clear();
this.cachedSubtitleImageDictionary.Clear();
this.cachedAuthorImageDictionary.Clear();
this.cachedTagImageDictionary.Clear();
this.imageDictionary.Clear();
this.imageUriHashSet.Clear();
this.Width = this.Height = 0;
this.Canvas.Width = this.Canvas.Height = Double.NaN;
this.Canvas.Opacity = 0;
this.ScaleTransform.ScaleX = this.ScaleTransform.ScaleY = 0;
this.TranslateTransform.X = this.TranslateTransform.Y = 0;
this.OuterPath.Width = this.OuterPath.Height = Double.NaN;
this.OuterPath.Data = null;
this.InnerPath.Width = this.InnerPath.Height = Double.NaN;
this.InnerPath.Data = null;
this.OverlayPath.Width = this.OverlayPath.Height = Double.NaN;
this.OverlayPath.Data = null;
this.OverlayPath.Fill = null;
this.HighlightPath.Width = this.HighlightPath.Height = Double.NaN;
this.HighlightPath.Data = null;
this.HighlightLinePath.Width = this.HighlightLinePath.Height = Double.NaN;
this.HighlightLinePath.Data = null;
this.ScrollCanvas.Width = this.ScrollCanvas.Height = Double.NaN;
this.MessageCanvas.Width = this.MessageCanvas.Height = Double.NaN;
this.MessageCanvas.Children.Clear();
this.InspectorCanvas.Visibility = Visibility.Collapsed;
this.InspectorCanvas.Width = this.InspectorCanvas.Height = Double.NaN;
this.InspectorCanvas.Background = null;
this.InspectorCanvas.Opacity = 0;
this.InspectorCanvas.Children.Clear();
this.FilterImage.Visibility = Visibility.Collapsed;
this.FilterImage.Width = this.FilterImage.Height = Double.NaN;
this.FilterImage.Source = null;
this.FilterImage.Opacity = 0;
this.ScrollImage.Visibility = Visibility.Collapsed;
this.ScrollImage.Width = this.ScrollImage.Height = Double.NaN;
this.ScrollImage.Source = null;
this.ScrollImage.Opacity = 0;
this.CloseImage.Width = this.CloseImage.Height = Double.NaN;
this.CloseImage.Source = null;
this.BackImage.Width = this.BackImage.Height = Double.NaN;
this.BackImage.Source = null;
this.UpImage.Visibility = Visibility.Collapsed;
this.UpImage.Width = this.UpImage.Height = Double.NaN;
this.UpImage.Source = null;
this.UpImage.Opacity = 0;
this.DownImage.Visibility = Visibility.Collapsed;
this.DownImage.Width = this.DownImage.Height = Double.NaN;
this.DownImage.Source = null;
this.DownImage.Opacity = 0;
this.InspectorImage.Visibility = Visibility.Collapsed;
this.InspectorImage.Width = this.InspectorImage.Height = Double.NaN;
this.InspectorImage.Source = null;
this.InspectorImage.Opacity = 0;
this.waitTimer.Stop();
this.messageTypeTimer.Stop();
this.switchTimer.Stop();
}
}
