Applabtodotesting.TodoDetail.Complete C# (CSharp) Méthode

        void Complete()
        {
            var dataService = App.Database;
            var todoItem = BindingContext as TodoItem;
            todoItem.IsCompleted = !todoItem.IsCompleted;
            ToolbarItems [0].Text = todoItem.IsCompleted ? "Gjenåpne" : "Fullfør";
            dataService.Update (todoItem);
        }