wpf datatemplate usercontrol

<UserControl x:Class="isiQiri.ConfigTool.View.SupportView"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             >
    <UserControl.Resources>
        <DataTemplate DataType="{x:Type class1}">
            <StackPanel Orientation="Horizontal" >
                <TextBlock Text="Shift"></TextBlock>
            </StackPanel>
        </DataTemplate>

        <DataTemplate DataType="{x:Type class2}">
            <StackPanel Orientation="Horizontal" DataContext="{Binding}">
                <TextBlock Text="EditorViewModel: " />
            </StackPanel>
        </DataTemplate>
     
    </UserControl.Resources>

   
    <StackPanel>


   <ContentControl Content="{Binding}"></ContentControl>