ApolloNewWorld/FurnaceNewWorld/UIModules/MaintainModule/Views/IOTubeMaintain.xaml

<UserControl x:Class="MaintainModule.Views.IOTubeMaintain"
             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" 
             xmlns:local="clr-namespace:MaintainModule.Views"
             xmlns:prism="http://prismlibrary.com/"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800">
    <UserControl.Resources>
        <ResourceDictionary >
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="/UICommon;component/Resources.xaml"/>
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </UserControl.Resources>
    <Grid Margin="8">
        <Grid.RowDefinitions>
            <RowDefinition Height="auto"/>
            <RowDefinition Height="8"/>
            <RowDefinition/>
        </Grid.RowDefinitions>
        <StackPanel Orientation="Horizontal">
            <RadioButton Style="{StaticResource FunctionRadio}" Width="120" Height="36" Command="{Binding SwitchCommand}" CommandParameter="IOTubeDI" IsChecked="True">DI</RadioButton>
            <RadioButton Style="{StaticResource FunctionRadio}" Width="120" Height="36" Command="{Binding SwitchCommand}" CommandParameter="IOTubeDO">DO</RadioButton>
            <RadioButton Style="{StaticResource FunctionRadio}" Width="120" Height="36" Command="{Binding SwitchCommand}" CommandParameter="IOTubeAI">AI</RadioButton>
            <RadioButton Style="{StaticResource FunctionRadio}" Width="120" Height="36" Command="{Binding SwitchCommand}" CommandParameter="IOTubeAO">AO</RadioButton>
        </StackPanel>

        <Border Grid.Row="2" CornerRadius="4" Background="{StaticResource BorderBackgroundColor}">

            <ContentControl Margin="8,16" prism:RegionManager.RegionName="IOTubeRegion"/>
        </Border>


    </Grid>
</UserControl>