WPF

<DockPanel LastChildFill="True">
    <Menu DockPanel.Dock="Top">
      <MenuItem Header="_File">
        <MenuItem Command="{x:Static c:Window1.OpenCmd}" />
        ...
      </MenuItem>
    </Menu>
    <StackPanel>
      <TextBlock Text="Here" />
    </StackPanel>
  </DockPanel>

bool isOpen=false;
public static readonly RoutedUICommand OpenCmd = new RoutedUICommand("_Open", "Open", typeof(Window1));
public Window1() {
  InitializeComponent();
  CommandBinding cb = new CommandBinding(OpenCmd, exe, can);
  CommandBindings.Add(cb);
}
void CanOpen(object sender, CanExecuteRoutedEventArgs e) {
  e.CanExecute = !isOpen;
  e.Handled = true;
}
void CanClose(object sender, CanExecuteRoutedEventArgs e) {
  e.CanExecute = isOpen;
  e.Handled = true;
}

<UserControl.Resources>
<Style x:Key="MidHeaderPanel" TargetType="Border">
	<Setter Property="BorderBrush"     Value="Black" />
	<Setter Property="BorderThickness" Value="2,0,0,2" />
	<Setter Property="Width"           Value="30" />
	<Setter Property="Background"      Value="SlateBlue" />
	<Setter Property="CornerRadius"    Value="0,0,0,0" />
</Style>

<Style x:Key="BaseNameHeaderText" TargetType="dataInput:Label">
	<!--<Setter Property="Width"                 Value="60" />
	<Setter Property="Height"                Value="30" />-->
	<Setter Property="FontFamily"            Value="Arial" />
	<Setter Property="FontWeight"            Value="Bold" />
	<Setter Property="FontSize"              Value="24" />
	<Setter Property="Foreground"            Value="White" />
	<Setter Property="Background"            Value="Transparent" />
	<Setter Property="HorizontalAlignment"   Value="Center" />
	<Setter Property="VerticalAlignment"     Value="Center" />
	<Setter Property="UseLayoutRounding"     Value="False" />
	<Setter Property="RenderTransformOrigin" Value="0.5,0.5" />
	<Setter Property="RenderTransform">
		<Setter.Value>
			<RotateTransform Angle="90" />
		</Setter.Value>
	</Setter>
</Style>
</UserControl.Resources>

<Grid x:Name="LayoutRoot" >
	<Border Margin="10" CornerRadius="10" BorderThickness="2" BorderBrush="Black" Width="Auto" Height="Auto">
		<controlsToolkit:DockPanel VerticalAlignment="Top">
			<StackPanel x:Name="JellyBeanPanel" Height="100"  HorizontalAlignment="Left" Background="Transparent">
				<StackPanel x:Name="HeaderRow" Height="60" Orientation="Horizontal">
					<Border Style="{StaticResource MidHeaderPanel}">
						<dataInput:Label Style="{StaticResource BaseNameHeaderText}" Content="LUK" />
					</Border>
				</StackPanel>
			</StackPanel>
		</controlsToolkit:DockPanel>
	</Border>
</Grid>

<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    DataContext="{Binding RelativeSource={RelativeSource Self}}"
    WindowStartupLocation="CenterScreen"
    Title="Window1" Height="300" Width="300">
    
    <Grid>
        <Image x:Name="TestImage" Source="{Binding Path=ImageSource}" />
    </Grid>

</Window>

Image Base64StringToImage(string base64ImageString)
{
    try
    {
        byte[] b;
        b = Convert.FromBase64String(base64ImageString);
        MemoryStream ms = new System.IO.MemoryStream(b);
        System.Drawing.Image img = System.Drawing.Image.FromStream(ms);

        //////////////////////////////////////////////
        //convert System.Drawing.Image to WPF image
        System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(img);
        IntPtr hBitmap = bmp.GetHbitmap();
        System.Windows.Media.ImageSource imageSource = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(hBitmap, IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());

        Image wpfImage = new Image();
        wpfImage.Source = imageSource;
        wpfImage.Width = wpfImage.Height = 16;
        //////////////////////////////////////////////

        return wpfImage;
    }
    catch
    {
        Image img1 = new Image();
        img1.Source = new BitmapImage(new Uri(@"/passwordManager;component/images/TreeView/empty-bookmark.png", UriKind.Relative));
        img1.Width = img1.Height = 16;
        return img1;
    }
}

public string ImageSource { get; set; }
ImageSource = Base64StringToImage("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").Source.ToString();