<UserControl x:Class="SilverlightApplication13.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:DesignHeight="300" d:DesignWidth="400" xmlns:dxr="http://schemas.devexpress.com/winfx/2008/xaml/ribbon" xmlns:dxb="http://schemas.devexpress.com/winfx/2008/xaml/bars">

    <Grid x:Name="LayoutRoot" Background="White">
        <dxr:RibbonControl Height="100" HorizontalAlignment="Left" Margin="74,69,0,0" Name="ribbonControl1" VerticalAlignment="Top" Width="200">
            <dxr:RibbonDefaultPageCategory>
                <dxr:RibbonPage Caption="Home">
                    <dxr:RibbonPageGroup Caption="Файл">
Вот тут должны быть кнопки
                    </dxr:RibbonPageGroup>
                </dxr:RibbonPage>
                <dxr:RibbonPage Caption="Name" />
            </dxr:RibbonDefaultPageCategory>
        </dxr:RibbonControl>
    </Grid>
</UserControl>

<UserControl xmlns:toolkit="http://schemas.microsoft.com/winfx/2006/xaml/presentation/toolkit"  x:Class="SilverlightApplication14.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:DesignHeight="300" d:DesignWidth="400" xmlns:dxb="http://schemas.devexpress.com/winfx/2008/xaml/bars" xmlns:dxr="http://schemas.devexpress.com/winfx/2008/xaml/ribbon">

    <Grid x:Name="LayoutRoot" Background="White">
        <dxb:BarManager Name="barManager1" VerticalAlignment="Top" Margin="100,0,12,0">
            <dxb:BarManager.Items>
                <dxb:BarButtonItem Name="bNew" Content="New" Glyph="/SilverlightApplication14;component/Images/1.PNG" Description="Создать" Hint="Оооо">
                </dxb:BarButtonItem>
            </dxb:BarManager.Items>
        </dxb:BarManager>
        <dxr:RibbonControl Height="100" HorizontalAlignment="Left" Margin="186,69,0,0" Name="ribbonControl1" VerticalAlignment="Top" Width="200">
            <dxr:RibbonDefaultPageCategory>
                <dxr:RibbonPage Caption="Home">
                    <dxr:RibbonPageGroup Caption="Common" Name="grpCommon">
                        <dxb:BarButtonItemLink BarItemName="bNew" />
                      </dxr:RibbonPageGroup>

                </dxr:RibbonPage>
            </dxr:RibbonDefaultPageCategory>
        </dxr:RibbonControl>
    </Grid>
</UserControl>