实现提供了完整的弹幕功能，包括多行显示、不同颜色、头像支持、防重叠、椭圆形边框、透明度渐变、点击事件、字体样式设置、暂停/继续功能、过滤功能等。还包含了批处理队列处理逻辑、速率限制、错误处理和性能监控等功能。

YwxAppWpfDanMu/Services/DanMuDispatcher.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Windows.Threading;
+
+namespace YwxAppWpfDanMu.Services
+{
+    public class DanMuDispatcher
+    {
+        private readonly Dispatcher _dispatcher;
+
+        public DanMuDispatcher(Dispatcher dispatcher)
+        {
+            _dispatcher = dispatcher ?? throw new ArgumentNullException(nameof(dispatcher));
+        }
+
+        public void Invoke(Action action, DispatcherPriority priority = DispatcherPriority.Normal)
+        {
+            if (_dispatcher.CheckAccess())
+            {
+                action();
+            }
+            else
+            {
+                _dispatcher.Invoke(action, priority);
+            }
+        }
+
+        public void BeginInvoke(Action action, DispatcherPriority priority = DispatcherPriority.Normal)
+        {
+            _dispatcher.BeginInvoke(action, priority);
+        }
+    }
+}