gsi

    public class AniControl
    {
        private int start;
        private int end;

        public int Start
        {
            set { start = value; }
            get { return start; }
        }

        public int End
        {
            set { end = value; }
            get { return end; }
        }
    }

    [ValueConversion(typeof(double), typeof(decimal))]
    class DoubleToDecimalConverter : IValueConverter
    {
        public object Convert(object value, Type typeTarget, object param, CultureInfo culture)
        {
            decimal num = new decimal((double)value);

            if (param != null)
                num = Decimal.Round(num, Int32.Parse(param as string));

            return num;
        }

        public object ConvertBack(object value, Type typeTarget, object param, CultureInfo culture)
        {
            return Decimal.ToDouble((decimal)value);
        }
    }

<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:src="clr-namespace:WpfApplication1"
    Title="Window1" Height="300" Width="300">

    <Window.Resources>
        <src:DoubleToDecimalConverter x:Key="conv" />
    </Window.Resources>

    <StackPanel>
        <ScrollBar  Orientation="Horizontal"
                    Margin="24"
                    Maximum="100"
                    LargeChange="10"
                    SmallChange="1"
                    Value="{Binding ElementName=Simple, Path=Number, Mode=OneWayToSource}" />
       
        <src:SimpleElement x:Name="Simple" HorizontalAlignment="Center" />
       
        <ScrollBar  Name="scroll"
                    Orientation="Horizontal"
                    Margin="24"
                    Maximum="100"
                    LargeChange="10"
                    SmallChange="1"
                    Value="{Binding ElementName=Simple, Path=Number, Mode=OneWay}" Height="17" />
       
        <src:SimpleElement HorizontalAlignment="Center" Number="{Binding ElementName=scroll, Path=Value, Mode=OneWay, Converter={StaticResource conv}, ConverterParameter=2}" Height="50" />
    </StackPanel>
</Window>

using System;
using System.Globalization;
using System.Windows;
using System.Windows.Media;

namespace WpfApplication1
{
    class SimpleElement : FrameworkElement
    {
        // DependencyProperty 정의
        public static DependencyProperty NumberProperty;

        // 정적 생성자에 DependencyProperty 생성
        static SimpleElement()
        {
            NumberProperty =
                DependencyProperty.Register("Number", typeof(double),
                    typeof(SimpleElement),
                    new FrameworkPropertyMetadata(0.0,
                        FrameworkPropertyMetadataOptions.AffectsRender));
        }

        // DependencyProperty를 CLR 프로퍼티를 노출
        public double Number
        {
            set { SetValue(NumberProperty, value); }
            get { return (double)GetValue(NumberProperty); }
        }

        // MeasureOverride를 오버라이딩해 크기를 하드 코딩
        protected override Size MeasureOverride(Size availableSize)
        {
            //return base.MeasureOverride(availableSize);
            return new Size(200, 50);
        }

        // Number 프로퍼티를 보여주는 OnRender
        protected override void OnRender(DrawingContext dc)
        {
            dc.DrawText(
                new FormattedText(Number.ToString(),
                    CultureInfo.CurrentCulture, FlowDirection.LeftToRight,
                    new Typeface("Times New Roman"), 12,
                    SystemColors.WindowTextBrush),
                    new Point(0, 0));
        }
    }
}

    <StackPanel Orientation="Horizontal"
                HorizontalAlignment="Center" VerticalAlignment="Center"
                DataContext="{Binding ElementName=scroll}" Name="stackpanel">
        <TextBlock Text="{Binding ElementName=window, Path=ActualWidth}" />
        <TextBlock Text=" &#x00D7;" />
        <TextBlock Text="{Binding ElementName=window, Path=ActualHeight}" />
        <TextBlock Text=" Device independent units"/>
    </StackPanel>

</Window>