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/Tool/Converters/InvertableBooleanToVisibilityConverter.cs

@@ -9,6 +9,9 @@ using System.Windows;
 
 namespace Serein.WorkBench.Tool.Converters
 {
+    /// <summary>
+    /// 根据bool类型控制可见性
+    /// </summary>
     [ValueConversion(typeof(bool), typeof(Visibility))]
     public class InvertableBooleanToVisibilityConverter : IValueConverter
     {

WorkBench/Tool/Converters/ThumbPositionConverter.cs

@@ -0,0 +1,79 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Data;
+
+namespace Serein.WorkBench.Tool.Converters
+{
+    /// <summary>
+    /// 画布拉动范围距离计算器
+    /// </summary>
+    public class RightThumbPositionConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            if (value is double width)
+                return width - 10; // Adjust for Thumb width
+            return 0;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+    /// <summary>
+    /// 画布拉动范围距离计算器
+    /// </summary>
+    public class BottomThumbPositionConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            if (value is double height)
+                return height - 10; // Adjust for Thumb height
+            return 0;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+    /// <summary>
+    /// 画布拉动范围距离计算器
+    /// </summary>
+    public class VerticalCenterThumbPositionConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            if (value is double height)
+                return height / 2 - 5; // Centering Thumb vertically
+            return 0;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+    /// <summary>
+    /// 画布拉动范围距离计算器
+    /// </summary>
+    public class HorizontalCenterThumbPositionConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            if (value is double width)
+                return width / 2 - 5; // Centering Thumb horizontally
+            return 0;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+
+}

WorkBench/Tool/Converters/TypeToColorConverter.cs

@@ -5,6 +5,9 @@ using System.Windows.Media;
 
 namespace Serein.WorkBench.Tool.Converters
 {
+    /// <summary>
+    /// 根据控件类型切换颜色
+    /// </summary>
     public class TypeToColorConverter : IValueConverter
     {
         public object Convert(object value, Type targetType, object parameter, CultureInfo culture)