<Window x:Class="WindowPageHost.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     Title="WindowWithFrame" Height="300" Width="392"
    >
    <Grid Margin="3">
      <Grid.ColumnDefinitions>
        <ColumnDefinition></ColumnDefinition>
        <ColumnDefinition></ColumnDefinition>
      </Grid.ColumnDefinitions>

      <StackPanel>
        <TextBlock Margin="3" TextWrapping="Wrap">This is ordinary window content.</TextBlock>
        <Button Margin="3" Padding="3" Click="cmdClose_Click">Close</Button>
      </StackPanel>
      <Frame Grid.Column="1" Source="Page1.xaml"
             BorderBrush="Blue" BorderThickness="1"></Frame>
    </Grid>
  
</Window>
