IDCardRecognition/IDCardRecogCSharp/Demo/ImageCanvas.xaml

<UserControl x:Class="IDInfoExtraction.ImageCanvas"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:IDInfoExtraction"
             mc:Ignorable="d" 
        d:DesignHeight="440" d:DesignWidth="500" SizeChanged="CanvasSizeChanged"
        >
    <Grid>
        <Grid Grid.Row="1" Grid.Column="1">
            <Grid Grid.Row="0" Grid.Column="0">
                <Image x:Name="RGBImageShow" Stretch="Uniform"/>
                <Canvas x:Name="RGBImageCanvas" ClipToBounds="True"/>
                </Grid>
        </Grid>
    </Grid>
</UserControl>