protected async void Images_Clicked(object sender, EventArgs e)
        {
            var page = new MaintenanceRequestImagesPage();

            page.BindingContext = new MaintenanceRequestImagesViewModel((sender as MenuItem).CommandParameter as MaintenanceRequest);
            await((MainPage)App.Current.MainPage).NavigateTo(page, true);
        }
        protected async void Images_Tapped(object sender, EventArgs e)
        {
            var img  = sender as Image;
            var page = new MaintenanceRequestImagesPage();

            page.BindingContext = new MaintenanceRequestImagesViewModel((img.GestureRecognizers[0] as TapGestureRecognizer).CommandParameter as MaintenanceRequest);
            await((MainPage)App.Current.MainPage).NavigateTo(page, true);
        }