how to save an image after making changes in it with Ink presenter?
my XAML COde:
<UserControl x:Class="silver2.MainPage"
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"
mc:Ignorable="d" d:DesignWidth="640" d:DesignHeight="480">
<Grid x:Name="LayoutRoot">
<Button Height="23" Margin="0,22,5,0" Name="btnNext" HorizontalAlignment="Right" Width="47" Content="Next"></Button>
<Button Height="23" Margin="0,22,15,20" Name="btnPrev" HorizontalAlignment="Right" Width="47" Content="Prev"></Button>
<Button Grid.Column="1" Height="23" HorizontalAlignment="Right" Name="btnSave" VerticalAlignment="Top" Width="75" Content="Save"></Button>
<ScrollViewer Width="800" Height="500" HorizontalScrollBarVisibility="Auto">
<Canvas Name="canva" Height="500" Width="800" Background="Beige" >
<InkPresenter Name="inkP" Height="500" Width="800" >
<Image Source="img/1.jpg" Name="imageBox"/>
</InkPresenter>
</Canvas>
</ScrollViewer>
</Grid>
</UserControl>