<Style TargetType="{x:Type local:ImGearPanCtl}">
 <Setter Property="HorizontalAlignment" Value="Left"/>
 <Setter Property="VerticalAlignment" Value="Top"/>
 <Setter Property="Visibility" Value="Collapsed"/>
 <Setter Property="Template">
  <Setter.Value>
   <ControlTemplate TargetType="{x:Type local:ImGearPanCtl}">
    <ControlTemplate.Resources>
    </ControlTemplate.Resources>
    <Border Background="Indigo" CornerRadius="3">
     <Label>ImGearPanCtl Control</Label>
    </Border>
   </ControlTemplate>
  </Setter.Value>
 </Setter>
</Style>