Hosting activex control in datatemplate of flipview

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WPF

C#5.0

I have tried hard to host an ActiveX control in Flipview but have been unable to achieve desired result. I'm using Windows 7 and Flipview control, as found on codeproject (http://www.codeproject.com/Articles/741026/WPF-FlipView). I'm actually embedding a flash movie into my project, and on swiping the new movie should be loaded. I have also made custom control to wrap AxShockwaveFlash control as folows

<usercontrol x:class="MTC.SIMVA.IC.Controls.WPFFlashControl" xmlns:x="#unknown">
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:fla="clr-namespace:AxShockwaveFlashObjects;assembly=AxInterop.ShockwaveFlashObjects"
mc:Ignorable="d" Loaded="UserControl_Loaded" >
<dockpanel width="{Binding ActualWidth, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type UserControl}}}">
<windowsformshost x:name="flashMovie">
<fla:axshockwaveflash x:name="flashMovie2" xmlns:fla="#unknown">




My view is as follows:
<dl:flipview x:name="flipView" itemssource="{Binding Flows}" selectedindex="0" selectionchanged="flipView_SelectionChanged" xmlns:x="#unknown" xmlns:dl="#unknown">
<dl:flipview.datacontext>
<vm:swipewinviewmodel xmlns:vm="#unknown">

<dl:flipview.itemtemplate>
<datatemplate>
<dockpanel x:name="mainPanel" lastchildfill="True">

<dockpanel x:name="topPanel" dockpanel.dock="Top" horizontalalignment="Left" verticalalignment="Top" removed="#E4E4E4" width="{Binding ActualWidth, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type DockPanel}}}">
<dockpanel lastchildfill="True" height="80">
<textblock text="{Binding Name}" fontfamily="Segoe UI" verticalalignment="Center" block.textalignment="Center" horizontalalignment="Center" textwrapping="Wrap" fontweight="Bold" fontsize="22" margin="200,0,200,0">



<dockpanel x:name="animPanel" removed="LightBlue" visibility="Visible" width="{Binding ActualWidth, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type DockPanel}}}">
<uc:wpfflashcontrol x:name="flashControl" moviesource="{Binding Source}" xmlns:uc="#unknown">








A window is displayed but nothing is shown. However, when I use custom control without FlipView it works fine, so I think there is problem with FlipView Control. Is it possible to use such custom control in datatemplate of FlipView control?

What I have tried:

I have tried almost every possibility.............