C# 获取或设置PropertyGrid组件列宽度（分隔条宽度）

 /// <summary>
 /// 设置PropertyGrid组件列宽度
 /// </summary>
 /// <param name="grid">PropertyGrid组件</param>
 /// <param name="width">宽度</param>
 public static void SetSplitterWidth(this PropertyGrid grid, int width)
 {
     if (width > grid.Width) { width = grid.Width - 2; }

     //获取gridView字段定义，类型：PropertyGridView
     FieldInfo field = typeof(PropertyGrid)
            .GetField("gridView",
                BindingFlags.NonPublic | BindingFlags.Instance);

     //获取PropertyGridView组件的MoveSplitterTo方法
     field.FieldType
         .GetMethod("MoveSplitterTo",
             BindingFlags.NonPublic | BindingFlags.Instance)
         .Invoke(field.GetValue(grid), new object[] { width });
 }

       propertyGrid1.SetSplitterWidth(150);

 /// <summary>
 /// 获取PropertyGrid组件的分割条宽度
 /// </summary>
 /// <param name="grid"></param>
 /// <returns></returns>
 public static int GetSplitterWidth(this PropertyGrid grid)
 {
     //获取gridView字段定义，类型：PropertyGridView
     FieldInfo field = typeof(PropertyGrid)
            .GetField("gridView",
                BindingFlags.NonPublic | BindingFlags.Instance);

     //获取gridView实例
     var view = field.GetValue(grid);

     var ps = field.FieldType.GetProperty("InternalLabelWidth", BindingFlags.NonPublic | BindingFlags.Instance);
     var width = ps.GetValue(view);
     return Int32.Parse(width.ToString());
 }