清理ColorPicker，进度条。修复UI问题

ShrlAlgo.Addin.Test/ProgressWindow.xaml.cs

@@ -0,0 +1,52 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace ShrlAlgo.Addin.Test
+{
+    /// <summary>
+    /// ProgressWindow.xaml 的交互逻辑
+    /// </summary>
+    public partial class ProgressWindow : Window
+    {
+        private readonly ProgressViewModel _viewModel;
+
+        public ProgressWindow(ProgressViewModel viewModel)
+        {
+            InitializeComponent();
+            _viewModel = viewModel;
+            DataContext = _viewModel;
+
+            // 绑定关闭委托
+            _viewModel.CloseAction = this.Close;
+        }
+
+        private void BtnCancel_Click(object sender, RoutedEventArgs e)
+        {
+            _viewModel.Cancel();
+            (sender as System.Windows.Controls.Button).IsEnabled = false;
+        }
+
+        // 屏蔽系统的 Alt+F4 关闭，强制必须等主线程任务结束
+        protected override void OnClosing(CancelEventArgs e)
+        {
+            if (!_viewModel.UIDispatcher.HasShutdownStarted)
+            {
+                e.Cancel = true;
+                _viewModel.Cancel(); // 尝试取消
+            }
+            base.OnClosing(e);
+        }
+    }
+}