DevToolsAvalonia/常用工具集/App.axaml.cs

using System.Linq;
using Avalonia;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Data.Core;
using Avalonia.Data.Core.Plugins;
using Avalonia.Markup.Xaml;
using 常用工具集.ViewModels;
using 常用工具集.Views;

namespace 常用工具集
{
    public partial class App : Application
    {
        public override void Initialize()
        {
            AvaloniaXamlLoader.Load(this);
            this.DataContext = new ApplicationViewModel();
        }


        public override void OnFrameworkInitializationCompleted()
        {
            if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
            {
                // Avoid duplicate validations from both Avalonia and the CommunityToolkit. 
                // More info: https://docs.avaloniaui.net/docs/guides/development-guides/data-validation#manage-validationplugins
                DisableAvaloniaDataAnnotationValidation();
                desktop.MainWindow = new MainWindow();
                //desktop.MainWindow = new MainWindow
                //{
                //    DataContext = new MainWindowViewModel(),
                //};
            }

            base.OnFrameworkInitializationCompleted();
        }

        private void DisableAvaloniaDataAnnotationValidation()
        {
            // Get an array of plugins to remove
            var dataValidationPluginsToRemove = BindingPlugins.DataValidators.OfType<DataAnnotationsValidationPlugin>().ToArray();

            // remove each entry found
            foreach (var plugin in dataValidationPluginsToRemove)
            {
                BindingPlugins.DataValidators.Remove(plugin);
            }
        }
    }
}