<Grid
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  xmlns:b="http://schemas.microsoft.com/xaml/behaviors"
  xmlns:noesis="clr-namespace:NoesisGUIExtensions">

  <!-- The Navigation Root -->
  <ContentControl x:Name="MainRegion">

    <!-- Define available screens -->
    <noesis:Navigation.Destinations>
      <noesis:NavDestination Id="SettingsScreen"
        Content="{Binding SettingsViewModel}"
        ContentTemplate="{StaticResource SettingsViewTemplate}" />
      <noesis:NavDestination Id="ProfileScreen"
        Content="{Binding ProfileViewModel}"
        ContentTemplate="{StaticResource ProfileViewTemplate}" />
    </noesis:Navigation.Destinations>

    <!-- The initial landing screen -->
    <ContentControl.Content>
      <StackPanel>
        <TextBlock Text="Home Screen" />

        <Button Content="Go to Settings">
          <b:Interaction.Triggers>
            <b:EventTrigger EventName="Click">
              <!-- Navigates forward to the Settings screen -->
              <noesis:NavigateToAction DestinationId="SettingsScreen" />
            </b:EventTrigger>
          </b:Interaction.Triggers>
        </Button>

         <Button Content="View Profile">
           <b:Interaction.Triggers>
             <b:EventTrigger EventName="Click">
               <!-- Navigates forward to the Profile screen -->
               <noesis:NavigateToAction DestinationId="ProfileScreen"/>
             </b:EventTrigger>
           </b:Interaction.Triggers>
         </Button>
      </StackPanel>
    </ContentControl.Content>
  </ContentControl>

</Grid>