MapViewer hosted in a WPF
MapWindow.xaml
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<Window x:Class="Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="MapViewer Hosted in WPF"  Closing="Window_Closing" Loaded="Window_Loaded" Height="435" Width="564" Background="Beige"
    MaxHeight="600" MaxWidth="840"
    xmlns:my="clr-namespace:System.Windows.Forms.Integration;assembly=WindowsFormsIntegration">
    <Grid>

        <WindowsFormsHost Height="32" Name="toolbarHost" VerticalAlignment="Top" />
        <WindowsFormsHost HorizontalAlignment="Left" Margin="0,29,0,25" Name="tocHost" Width="166" />
        <WindowsFormsHost Margin="167,29,0,25" Name="mapHost" />
        <TextBlock Height="23.75" VerticalAlignment="Bottom" Name="textBlock1">Ready</TextBlock>
    </Grid>
</Window>