AIKKEY_WPFWin7/AIK.Behaviors/ViewModelInitializationWindowBehavior.cs

using AIK.Service.IService;
using Microsoft.Xaml.Behaviors;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace AIK.Behaviors
{
    public class ViewModelInitializationWindowBehavior : Behavior<Window>
    {
        protected override void OnAttached()
        {
            base.OnAttached();
            AssociatedObject.Loaded += OnViewLoaded;
            AssociatedObject.Loaded += OnViewModelRequestClose;
        }

        protected override void OnDetaching()
        {
            AssociatedObject.Loaded -= OnViewLoaded;
            AssociatedObject.Loaded -= OnViewModelRequestClose;
            base.OnDetaching();
        }

        private async void OnViewLoaded(object sender, RoutedEventArgs e)
        {
            if (AssociatedObject.DataContext is ILoadAware loadAware)
            {
                await loadAware.OnLoadedAsync();
            }
        }
        private void OnViewModelRequestClose(object? sender, EventArgs e)
        {
            AssociatedObject?.Dispatcher.Invoke(() =>
            {
                if (AssociatedObject.IsVisible)
                    AssociatedObject.Close();
            });
        }
    }
}