title: Win Form user control not visible in WPF xaml
body: <p>I have a xaml start up form in which I am trying to host a windows form control which is a splash screen displaying Product Name / License stuff.. Here is the xaml code which I am using to host the user control but its not at all visible. Not in the designer nor when I run the application actually... Whats wrong in this?</p>
  
  <pre><code>&lt;Window
      x:Class="StartupWindow"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
      xmlns:wf="clr-namespace:namespace;assembly=assemblyName"
      mc:Ignorable="d" x:Name="splashWindow"
      WindowStyle="None" ResizeMode="NoResize" Width="500" Height="400"
      AllowsTransparency="True" Background="Transparent" ShowInTaskbar="False"            Topmost="True"
  &gt;
  &lt;Window.Triggers&gt;
      &lt;EventTrigger RoutedEvent="Window.Unloaded"&gt;
          &lt;BeginStoryboard&gt;
              &lt;Storyboard x:Name="board"&gt;
                  &lt;DoubleAnimation Storyboard.TargetName="splashWindow"   Storyboard.TargetProperty="Opacity" From="1.0" To="0" Duration="0:0:1.5" /&gt;
              &lt;/Storyboard&gt;
          &lt;/BeginStoryboard&gt;
      &lt;/EventTrigger&gt;
  &lt;/Window.Triggers&gt;
  &lt;Grid x:Name="LayoutRoot"&gt;
      &lt;Grid x:Name="Splash" Width="450" HorizontalAlignment="Center" VerticalAlignment="Top" Margin="0,100,0,0"&gt;
          &lt;Grid x:Name="Back"&gt;
              &lt;Grid.Effect&gt;
                  &lt;DropShadowEffect ShadowDepth="1" Direction="-90" BlurRadius="10" Opacity="0.25"/&gt;
              &lt;/Grid.Effect&gt;
              &lt;Border Background="Black" CornerRadius="3" Opacity="0.15"/&gt;
              &lt;Border CornerRadius="2" Margin="1" Background="#229C47"/&gt;
          &lt;/Grid&gt;
          &lt;Grid x:Name="Content_Area" Margin="12"&gt;
              &lt;Image x:Name="Image" Stretch="None" Height="99" Grid.Row="1"/&gt;
              &lt;TextBlock x:Name="Info" TextWrapping="Wrap" Text="Starting..." Grid.Row="2" Margin="12,12,12,0" Foreground="White"/&gt;
          &lt;/Grid&gt;
      &lt;/Grid&gt;
      &lt;WindowsFormsHost Height="325" Name="splashControl" Margin="54,12,64,24" Width="460" HorizontalAlignment="Center" Background="Transparent"&gt;
        &lt;wf:SplashControl /&gt;
      &lt;/WindowsFormsHost&gt;
   &lt;/Grid&gt;
  &lt;/Window&gt;
  </code></pre>