imageWindow.xaml

<Window x:Class="cseNoticeBoard.imageWindow"
        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:cseNoticeBoard"
        mc:Ignorable="d"
        Title="imageWindow" Width="1280" Height="960" Background="White" WindowStyle="None" ResizeMode="NoResize" WindowStartupLocation="CenterScreen" WindowState="Maximized">
    <Grid>
        <Image x:Name="image" HorizontalAlignment="Center" Height="960" Margin="0,0,0,0" VerticalAlignment="Center" Width="1280" Stretch="Uniform" />

        <!--Back Button-->
        <Canvas>
            <!--The background of enlarge button-->
            <Canvas>
                <Path Fill="#8027AAE1" StrokeThickness="1" Opacity="0.5" Data="F1M1170.9,915.6L1026.4,915.6C1022.4,915.6,1019.2,912.4,1019.2,908.4L1019.2,874.5C1019.2,870.5,1022.4,867.3,1026.4,867.3L1170.9,867.3C1174.9,867.3,1178.1,870.5,1178.1,874.5L1178.1,908.4C1178.1,912.4,1174.9,915.6,1170.9,915.6z"/>
                <Path Fill="#FF27AAE1" StrokeThickness="1" Data="F1M1165.5,909.4L1021,909.4C1017,909.4,1013.8,906.2,1013.8,902.2L1013.8,868.3C1013.8,864.3,1017,861.1,1021,861.1L1165.5,861.1C1169.5,861.1,1172.7,864.3,1172.7,868.3L1172.7,902.2C1172.7,906.2,1169.4,909.4,1165.5,909.4z"/>
            </Canvas>

            <!--The content of the enlarge button-->
            <TextBlock Text="Go Back" FontFamily="Aspergit-Bold" FontSize="30" Foreground="White" Canvas.Top="-24" Canvas.Left="8">
                <TextBlock.RenderTransform>
                    <MatrixTransform Matrix="1 0 0 1 1033.759765625 891.890625"/>
                </TextBlock.RenderTransform>
            </TextBlock>

            <Button x:Name="buttonGoBack" Content="Enlarge" Opacity="0" Canvas.Left="995" Canvas.Top="849" Width="195" Height="75" Click="buttonGoBack_Click"/>
        </Canvas>




    </Grid>
</Window>