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<UserControl x:Class="ServiceStatus.ServiceControl"
             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:local="clr-namespace:ServiceStatus"
             xmlns:service="clr-namespace:System.ServiceProcess;assembly=System.ServiceProcess"
             mc:Ignorable="d" 
             d:DesignHeight="50" d:DesignWidth="60"
             Loaded="UserControl_Loaded"
             >
    <StackPanel Orientation="Horizontal">
        <Image Stretch="Fill" Panel.ZIndex="1"  Width="16" Height="16" Source="StatusNo.png">
            <Image.Style>
                <Style TargetType="{x:Type Image}">
                    <Style.Triggers>
                        <DataTrigger Binding="{Binding Path=Status}" Value="{x:Static service:ServiceControllerStatus.Stopped}">
                            <Setter Property="Source" Value="StatusNo.png"/>
                        </DataTrigger>
                        <DataTrigger Binding="{Binding Path=Status}" Value="{x:Static service:ServiceControllerStatus.Running}">
                            <Setter Property="Source" Value="StatusOK.png"/>
                        </DataTrigger>
                    </Style.Triggers>
                </Style>
            </Image.Style>
        </Image>
    </StackPanel>
</UserControl>                    

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    public partial class ServiceControl : UserControl
    {
        private ServiceController _serviceController;

        public ServiceControllerStatus Status
        {
            get { return (ServiceControllerStatus)GetValue(StatusProperty); }
            set
            {
                SetValue(StatusProperty, value);
            }
        }

        // Using a DependencyProperty as the backing store for Status.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty StatusProperty =
            DependencyProperty.Register("Status", typeof(ServiceControllerStatus), typeof(ServiceControl), new PropertyMetadata(ServiceControllerStatus.Stopped));
        private void initController()
        {
            if (string.IsNullOrEmpty(ServerName) || string.IsNullOrEmpty(ServiceName))
                return;

            _serviceController = new ServiceController(ServiceName, ServerName);
            Status = _serviceController.Status;
        }
}