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}">
      <TabControl.ItemContainerStyle>
         <Style TargetType="TabItem">
            <Setter Property="Visibility" Value="Collapsed" />
         </Style>
      </TabControl.ItemContainerStyle>
      <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.ColumnDefinitions>
      <ColumnDefinition Width="1*"/>
      <ColumnDefinition Width="1*"/>
   </Grid.ColumnDefinitions>
   <TextBlock Text="{Binding TextTest}"  Background="Green"/>
   <Button Grid.Column="1"
           x:Name="Button1"/>-->
</Grid>