How OSG package of controls displayed on Wpf?

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WPF

<wfi:WindowsFormsHost Grid.Row="1"  Grid.Column="2" Grid.RowSpan="3" removed="{x:Null}">
    <f3d:f3dCtrlControl   x:Name="f3d"></f3d:f3dCtrlControl>
</wfi:WindowsFormsHost>

I call someone in wpf winform packaged controls, which is a three-dimensional effect OSG display, but I was a loaded black one, I would have no problem with winform load