private static void OnIsSelectableChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { SearchableTextControl obj = d as SearchableTextControl; obj.ResetSelectionTextRange(); obj.Cursor = obj.IsSelectable ? Cursors.IBeam : Cursors.Arrow; }
/// <summary> /// Create a call back function which is used to invalidate the rendering of the element, /// and force a complete new layout pass. /// One such advanced scenario is if you are creating a PropertyChangedCallback for a /// dependency property that is not on a Freezable or FrameworkElement derived class that /// still influences the layout when it changes. /// </summary> private static void UpdateControlCallBack(DependencyObject d, DependencyPropertyChangedEventArgs e) { SearchableTextControl obj = d as SearchableTextControl; obj.InvalidateVisual(); }