Channel9 3D Explorer with gestures (hybrid smart client)

<UserControl x:Class="_3DView._3DViewControl"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:My3D="clr-namespace:_3DTools;assembly=3DTools"
             xmlns:tb="clr-namespace:Infragistics.ToyBox;assembly=Infragistics.ToyBox" Height="Auto">
    <UserControl.Resources>
        <!-- Objects mesh -->
        <MeshGeometry3D x:Key="ItemMesh" Positions="1.0 1.4 0.0 -1.0 1.4 0.0 -1.0 -1.4 0.0 1.0 -1.4 0.0"
                        Normals="0.0 0.0 -1.0 0.0 0.0 -1.0 0.0 0.0 -1.0 0.0 0.0 -1.0" TextureCoordinates="0,0 0,1 1,1 1,0"
                        TriangleIndices="0 1 2 0 2 3" />
    </UserControl.Resources>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="*"/>                
            <RowDefinition Height="35"/>
        </Grid.RowDefinitions>
        
            <My3D:TrackballDecorator Grid.Row="0">
                <My3D:Interactive3DDecorator>
                    <Viewport3D>
                        <Viewport3D.Camera>
                            <PerspectiveCamera x:Name="MyCamera" Position="0,.5,4" LookDirection="0,0,-1" FieldOfView="110" />
                        </Viewport3D.Camera>
                        <My3D:InteractiveVisual3D x:Name="MyInteractiveVisual3D" IsBackVisible="False">
                            <My3D:InteractiveVisual3D.Children>

                            </My3D:InteractiveVisual3D.Children>
                        </My3D:InteractiveVisual3D>
                        <!--<My3D:ScreenSpaceLines3D Color="Red" Points="-10,0,0 10,0,0"/>
                    <My3D:ScreenSpaceLines3D Color="Blue" Points="0,-10,0 0,10,0"/>
                    <My3D:ScreenSpaceLines3D Color="Green" Points="0,0,-10 0,0,10"/>-->
                        <ModelVisual3D>
                            <ModelVisual3D.Children>
                                <ModelVisual3D>
                                    <ModelVisual3D.Content>
                                        <DirectionalLight Color="Transparent" Direction="0,0,5"/>
                                    </ModelVisual3D.Content>
                                </ModelVisual3D>
                                <ModelVisual3D>
                                    <ModelVisual3D.Content>
                                        <DirectionalLight Color="Transparent" Direction="0,0,-5"/>
                                    </ModelVisual3D.Content>
                                </ModelVisual3D>
                            </ModelVisual3D.Children>
                        </ModelVisual3D>
                    </Viewport3D>
                </My3D:Interactive3DDecorator>
            </My3D:TrackballDecorator>

        <Button Template="{StaticResource Buttons}" Grid.Row="1" ToolTip="Previous item" Margin="5,0,0,0"
                x:Name="LeftButton" Click="LeftButton_Click" Content="&lt;&lt;" FontWeight="Bold" VerticalAlignment="Bottom"
                    HorizontalAlignment="Left" Effect="{StaticResource DropShadowEffect}"></Button>
        
        <Button Template="{StaticResource Buttons}" Grid.Row="1" x:Name="RightButton" Click="RightButton_Click" FontWeight="Bold" VerticalAlignment="Bottom"
                    HorizontalAlignment="Right" Content="&gt;&gt;" ToolTip="Next item" Margin="0,0,5,0"
                Effect="{StaticResource DropShadowEffect}"></Button>

        <Button Template="{StaticResource Buttons}" Grid.Row="1" x:Name="FlipButton" Click="FlipButton_Click"  FontWeight="Bold" VerticalAlignment="Bottom"
                    HorizontalAlignment="Center" Content="Flip" Effect="{StaticResource DropShadowEffect}"></Button>

    </Grid>
</UserControl>