<Window x:Class="WpfApplication1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="800" Width="1000">
    <Grid Background="AliceBlue">
       <WebBrowser  x:Name="webBrowser"   Source="C:\puz\index.html" Height="530" Width="578" VerticalAlignment="Center" HorizontalAlignment="Center" >
        </WebBrowser>
            </Grid>
</Window>