effector.plugin.fivelakes/Effector.Plugin.FiveLakes/FiveLakesUI.xaml

<Grid x:Class="FiveLakesUI"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:local="clr-namespace:Effector.Plugin.FiveLakes"
      DataContext="{StaticResource FiveLakesUIVM}">
   <TabControl SelectedIndex="{Binding SelPage}"
               Style="{StaticResource NoHeader_TabControl}">
      <TabItem Name="DoorList"
               Header="DoorList">
         <local:DoorListPageV DataContext="{StaticResource DoorListVM}"/>
      </TabItem>
      <TabItem Name="Machine"
               Header="Machine">
         <local:MachinePageV DataContext="{StaticResource MachinePageVM}"/>
      </TabItem>
      <TabItem Name="Statistics"
               Header="Statistics">
         <local:StatisticsPageV DataContext="{StaticResource StatisticsPageVM}"/>
      </TabItem>
   </TabControl>
</Grid>