依赖属性基本注册方法

注册 

        public static DependencyProperty SliderValueProperty = DependencyProperty.Register("SliderValue", //名称
        typeof(System.Double), //类型
        typeof(VolumeControlPanel));//拥有者的类型

 

读取
        public double SliderValue
        {
            get
            {
                return (double)GetValue(SliderValueProperty);
            }
            set
            {
                SetValue(SliderValueProperty, value);
            }
        }