添加项目文件。

UIShare/Converters/ParameterTypeToBoolConverter.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Data;
+
+namespace UIShare.Converters
+{
+    public class ParameterTypeToBoolConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if(value is Type type)
+            {
+                if(type == typeof(CancellationToken))
+                {
+                    return false;
+                }
+            }
+            return true;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}