using System.Windows; using System.Windows.Controls; namespace HandyControl.Controls { public class CompareSlider : Slider { public static readonly DependencyProperty TargetContentProperty = DependencyProperty.Register( "TargetContent", typeof(object), typeof(CompareSlider), new PropertyMetadata(default(object))); public static readonly DependencyProperty SourceContentProperty = DependencyProperty.Register( "SourceContent", typeof(object), typeof(CompareSlider), new PropertyMetadata(default(object))); public object TargetContent { get => GetValue(TargetContentProperty); set => SetValue(TargetContentProperty, value); } public object SourceContent { get => GetValue(SourceContentProperty); set => SetValue(SourceContentProperty, value); } //private bool _isLoaded; //private double _tempValue; //public CompareSlider() //{ // //Loaded += delegate // //{ // // if (_isLoaded) return; // // _isLoaded = true; // // Value = _tempValue; // //}; //} ////protected override void OnRender(DrawingContext drawingContext) ////{ //// base.OnRender(drawingContext); //// Value = _tempValue; ////} ////public override void OnApplyTemplate() ////{ //// base.OnApplyTemplate(); //// _tempValue = Value; //// Value = Orientation == Orientation.Horizontal ? Maximum : 0; //// if (_isLoaded) //// { //// Value = _tempValue; //// } ////} } }