MainWindow.xaml

<syncfusion:ChromelessWindow
    x:Class="MenuAdv_MVVM.MainWindow"
    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:local="clr-namespace:MenuAdv_MVVM"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:syncfusion="http://schemas.syncfusion.com/wpf"
    Title="MenuAdv_Customization"
    Width="650"
    Height="440"
    WindowStartupLocation="CenterScreen"
    xmlns:syncfusionskin ="clr-namespace:Syncfusion.SfSkinManager;assembly=Syncfusion.SfSkinManager.WPF"
syncfusionskin:SfSkinManager.VisualStyle="Metro"
    mc:Ignorable="d">
    <syncfusion:ChromelessWindow.DataContext>
        <local:ViewModel />
    </syncfusion:ChromelessWindow.DataContext>
    <Grid>
        <syncfusion:MenuAdv
            Name="menuAadv"
            Height="25"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            ItemsSource="{Binding MenuModel}"
            Orientation="Horizontal">


            <syncfusion:MenuAdv.ItemTemplate>
                <HierarchicalDataTemplate ItemsSource="{Binding MenuItems}">
                    <StackPanel Orientation="Horizontal">

                        <Image
                            Width="15"
                            Height="15"
                            Source="App.ico" />

                        <TextBlock
                            FontStyle="Italic"
                            FontWeight="Bold"
                            Text="{Binding Header}" />

                    </StackPanel>

                </HierarchicalDataTemplate>
            </syncfusion:MenuAdv.ItemTemplate>
        </syncfusion:MenuAdv>
    </Grid>
</syncfusion:ChromelessWindow>