初始化上传

常用工具集/App.axaml.cs

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+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);
+            }
+        }
+    }
+}