<Window 
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
		xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"		
        Title="Chapitre 5 - ComboBox - XML" 
        Width="350" 
        Height="250"  
		BorderBrush="DodgerBlue"
		>

    <Grid>		
<StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">

    <ComboBox Name="ComboBox1" Margin="10"/>
    <ComboBox Name="ComboBox2" Margin="10"/>

</StackPanel>
           
    </Grid>
</Window>        