effector.plugin.doorarreda/Effector.Plugin.DoorArreda/MainMenu/MainMenuV.xaml

<Grid x:Class="MainMenuV"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:sys="clr-namespace:System;assembly=mscorlib"
      DataContext="{StaticResource MainMenuVM}"
      WindowChrome.IsHitTestVisibleInChrome="True">
   <Grid.Resources>
      <sys:Int32 x:Key="Door_List">0</sys:Int32>
      <sys:Int32 x:Key="Machine_State">1</sys:Int32>
      <sys:Int32 x:Key="Statistics">2</sys:Int32>
   </Grid.Resources>
   <Grid.ColumnDefinitions>
      <ColumnDefinition Width="1*"/>
      <ColumnDefinition Width="1*"/>
      <ColumnDefinition Width="1*"/>
   </Grid.ColumnDefinitions>
   <RadioButton Content="Door List"
                Command="{Binding Page_Command}"
                CommandParameter="{StaticResource Door_List}"
                IsChecked="True"
                Style="{StaticResource {x:Type ToggleButton}}"/>
   <RadioButton Grid.Column="1"
                Content="Machine Status"
                Command="{Binding Page_Command}"
                CommandParameter="{StaticResource Machine_State}"
                Style="{StaticResource {x:Type ToggleButton}}"/>
   <RadioButton Grid.Column="2"
                Content="Statistics"
                Command="{Binding Page_Command}"
                CommandParameter="{StaticResource Statistics}"
                Style="{StaticResource {x:Type ToggleButton}}"/>
</Grid>