分离玩家信息插件，以及更新检测

Utils/WpfExtensions.cs

@@ -0,0 +1,29 @@
+using System.Collections.Generic;
+using System.Windows;
+
+namespace AnotherReplayReader.Utils
+{
+    internal static class WpfExtensions
+    {
+        public static IEnumerable<T> FindVisualChildren<T>(this DependencyObject depObj) where T : DependencyObject
+        {
+            foreach (var x in LogicalTreeHelper.GetChildren(depObj))
+            {
+                if (x is not DependencyObject child)
+                {
+                    continue;
+                }
+
+                if (child is T tchild)
+                {
+                    yield return tchild;
+                }
+
+                foreach (var childOfChild in FindVisualChildren<T>(child))
+                {
+                    yield return childOfChild;
+                }
+            }
+        }
+    }
+}