<UserControl x:Class="ChatClient.Page"
    xmlns="http://schemas.microsoft.com/client/2007" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
    Width="400" Height="230">
    <Grid x:Name="LayoutRoot" Background="White">
        <StackPanel>
            <ScrollViewer Height="200" >
                <TextBlock x:Name="receiveBox"/>
            </ScrollViewer>
            <StackPanel Orientation="Horizontal">
                <TextBox x:Name="sendBox" Height="30" Width="365"/>
                <Button x:Name="sendButton" Content="Send" Click="sendButton_Click"/>
            </StackPanel>

        </StackPanel>
    </Grid>
</UserControl>