修改了logwindows输出，避免高频输出时卡死。修改了流程运行上下文，使节点具备终止分支运行的能力。

WorkBench.Remote/Node/View/FlipflopNodeControl.xaml.cs

@@ -0,0 +1,17 @@
+using Serein.NodeFlow.Model;
+using Serein.WorkBench.Node.ViewModel;
+
+namespace Serein.WorkBench.Node.View
+{
+    /// <summary>
+    /// StateNode.xaml 的交互逻辑
+    /// </summary>
+    public partial class FlipflopNodeControl : NodeControlBase
+    {
+        public FlipflopNodeControl(FlipflopNodeControlViewModel viewModel) : base(viewModel)
+        {
+            DataContext = viewModel;
+            InitializeComponent();
+        }
+    }
+}