How to set the Icon in Tabbed Window?

<!--Setting icon in Tabbed Window -->
 
<ContentControl x:Name="SolutionExplorer" Layout:SfDockingManager.Header="Solution Explorer"  
 
Layout:SfDockingManager.DesiredWidthInDockedMode="300"  
 
Layout:SfDockingManager.SideInDockedMode="Right" Layout:SfDockingManager.DockState="Dock"  >
 
<Layout:SfDockingManager.Icon>
 
<Image Source="/Assets/image1.png" />
 
</Layout:SfDockingManager.Icon>
 
</ContentControl>
 
<ContentControl Name="Properties" Layout:SfDockingManager.Header="Properties" 
 
Layout:SfDockingManager.DesiredWidthInDockedMode="300" 
 
Layout:SfDockingManager.SideInDockedMode="Tabbed" 
 
Layout:SfDockingManager.TargetNameInDockedMode="Solution Explorer" >
 
<Layout:SfDockingManager.Icon>
 
<Image Source="/Assets/image2.png" />
 
</Layout:SfDockingManager.Icon>
 
</ContentControl>

//Initialize image 
 
Image image = new Image();
 
Image image1 = new Image();
 
//Get Image 
image.Source = new BitmapImage(new Uri("ms-appx:///Assets/image1.png", UriKind.Absolute));
 
image1.Source = new BitmapImage(new Uri("ms-appx:///Assets/image2.png", UriKind.Absolute));
 
//Set Image to Tabbed Window 
 
SfDockingManager.SetIcon(Properties, image);
 
SfDockingManager.SetIcon(SolutionExplorer, image);