WPFのXAMLだけで画像のスクロールと拡大する。

<Window x:Class="ImgViewer01.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:ImgViewer01"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <DockPanel>
        <StatusBar
            DockPanel.Dock="Bottom"
            VerticalAlignment="Bottom">
            <StatusBarItem>
                <Slider
                    x:Name="Slider1"
                    Width="120"
                    Minimum="1"
                    Maximum="8"
                    SmallChange="1"
                    LargeChange="2"
                    Value="1" />
            </StatusBarItem>
            <StatusBarItem
                Content="{Binding ElementName=Slider1,Path=Value}">
            </StatusBarItem>
        </StatusBar>
        <ScrollViewer
            x:Name = "ScrollViewer1"
            HorizontalScrollBarVisibility="Auto"
            VerticalScrollBarVisibility="Auto">
            <Image
                x:Name="Image1"
                Stretch="Uniform"
                Source="F:\csharp\dotnet8\wpf\ImgViewer01\default.jpg">
                <Image.LayoutTransform>
                     <ScaleTransform
                        ScaleX="{Binding ElementName=Slider1,Path=Value}"
                        ScaleY="{Binding ElementName=Slider1,Path=Value}"/>
                </Image.LayoutTransform>
            </Image>
        </ScrollViewer>
    </DockPanel>
</Window>