private static void HandleIsEnabledChanged(DependencyObject source, DependencyPropertyChangedEventArgs e) { var textBlock = source as TextBlock; if (textBlock == null) { return; } if ((bool)e.OldValue) { var fader = GetFader(textBlock); if (fader != null) { fader.Detach(); SetFader(textBlock, null); } textBlock.Loaded -= HandleTextBlockLoaded; textBlock.Unloaded -= HandleTextBlockUnloaded; } if ((bool)e.NewValue) { textBlock.Loaded += HandleTextBlockLoaded; textBlock.Unloaded += HandleTextBlockUnloaded; var fader = new Fader(textBlock); SetFader(textBlock, fader); fader.Attach(); } }
private static void HandleIsEnabledChanged(DependencyObject source, DependencyPropertyChangedEventArgs e) { var textBlock = source as TextBlock; if (textBlock == null) { return; } if ((bool)e.OldValue) { var fader = GetFader(textBlock); if (fader != null) { fader.Detach(); SetFader(textBlock, null); } textBlock.Loaded -= HandleTextBlockLoaded; textBlock.Unloaded -= HandleTextBlockUnloaded; } if ((bool)e.NewValue) { textBlock.Loaded += HandleTextBlockLoaded; textBlock.Unloaded += HandleTextBlockUnloaded; var fader = new Fader(textBlock); SetFader(textBlock, fader); fader.Attach(); } }