public MainWindow()
{
Startup.ClientServices = services =>
{
services.Replace(new ServiceDescriptor(typeof(IFileSystem), typeof(FileSystem), ServiceLifetime.Singleton));
services.Replace(new ServiceDescriptor(typeof(IDesktopWindow), this));
};
InitializeComponent();
CustomToolbar.MouseDown += TopMenuBar_MouseDown;
Uri imagePath = new Uri("Logo_Watermark.png", UriKind.Relative);
BackgroundImage.ImageSource = new BitmapImage(imagePath);
Provider = Startup.GetProvider();
DesktopService = Provider.GetService <IDesktopService>();
AppSettings = Provider.GetService <IAppSettings>();
FileSystem = Provider.GetService <IFileSystem>();
SubscribeToServiceEvents();
Startup.DesktopServicesAreReady();
DesktopService.RunStartup();
}