获取父级、同级、子级控件的类型、命名（转）

using System.Windows.Media;

 /// <summary>
        /// 获取父级控件
        /// </summary>
        /// <typeparam name="T">类型 调用前需要预先指定</typeparam>
        /// <param name="obj">当前控件对象</param>
        /// <param name="name">要查找的父级控件的Name（Name为“ ”时，表示上一次父控件）</param>       
        public static T GetParentObject<T>(DependencyObject obj, string name=null) where T : FrameworkElement
        {

            DependencyObject parent = VisualTreeHelper.GetParent(obj);

            //int i = 0;

            while (parent != null)
            {

                if (parent is T && (((T)parent).Name == name | string.IsNullOrEmpty(name)))
                {

                    return (T)parent;

                }

                parent = VisualTreeHelper.GetParent(parent);

            }

            return null;

        }                 

/// <summary>
        /// 通过委托来查找父级控件
        /// </summary>
        /// <typeparam name="T">事先指定的类型</typeparam>
        /// <param name="obj">基准对象</param>
        /// <param name="func">委托</param>
        /// <returns></returns>
        public static T GetParentObjectByDelegate<T>(DependencyObject obj, Func<T, bool> func) where T : FrameworkElement
        {
            DependencyObject parent = VisualTreeHelper.GetParent(obj);
            while (parent != null)
            {
                if (parent is T && func(parent as T))//
                {

                    return (T)parent;

                }
                parent = VisualTreeHelper.GetParent(parent);

            }
            return null;

        }

 /// <summary>
        /// 获取当前控件的某个子级控件
        /// </summary>
        /// <typeparam name="T">事先指定的类型</typeparam>
        /// <param name="root">当前父级控件的Name</param>
        /// <returns></returns>      
        public static T FindChildOfType<T>(DependencyObject root, string name = null) where T : FrameworkElement
        {

            var queue = new Queue<DependencyObject>();

            queue.Enqueue(root);


            while (queue.Count > 0)
            {

                DependencyObject current = queue.Dequeue();

                for (int i = VisualTreeHelper.GetChildrenCount(current) - 1; 0 <= i; i--)
                {

                    var child = VisualTreeHelper.GetChild(current, i);

                   // var typedChild = child as T;

                    //if (typedChild != null)
                    //{

                    //    return typedChild;

                    //}
                    if (child is T && (((T)child).Name == name | string.IsNullOrEmpty(name)))
                    {

                        return (T)child;

                    }

                    queue.Enqueue(child);

                }

            }

            return null;

        }

 /// <summary>
        /// 通过模糊名字来 获取当前控件的某个子级控件
        /// </summary>
        /// <typeparam name="T">事先指定的类型</typeparam>
        /// <param name="root">当前父级控件的Name</param>
        /// <returns></returns>      
        public static T FindChildOfTypeBySomeName<T>(DependencyObject root, string name =null) where T : FrameworkElement
        {

            var queue = new Queue<DependencyObject>();

            queue.Enqueue(root);


            while (queue.Count > 0)
            {

                DependencyObject current = queue.Dequeue();

                for (int i = VisualTreeHelper.GetChildrenCount(current) - 1; 0 <= i; i--)
                {

                    var child = VisualTreeHelper.GetChild(current, i);

                    // var typedChild = child as T;

                    //if (typedChild != null)
                    //{

                    //    return typedChild;

                    //}
                    if (child is T && (((T)child).Name.Contains(name) | string.IsNullOrEmpty(name)))
                    {

                        return (T)child;

                    }

                    queue.Enqueue(child);

                }

            }

            return null;

        }

/// <summary>
        /// 获取当前控件的某类子级控件的集合
        /// </summary>
        /// <typeparam name="T">事先指定的类型</typeparam>
        /// <param name="root">当前父级控件的Name</param>
        /// <returns></returns>      
        public static List<T> FindListChildOfType<T>(DependencyObject root, string name = null) where T : FrameworkElement
        {
            List<T> result=new List<T>();
            var queue = new Queue<DependencyObject>();

            queue.Enqueue(root);

            while (queue.Count > 0)
            {

                DependencyObject current = queue.Dequeue();

                for (int i = VisualTreeHelper.GetChildrenCount(current) - 1; 0 <= i; i--)
                {

                    var child = VisualTreeHelper.GetChild(current, i);
                   
                    if (child is T && (((T)child).Name == name | string.IsNullOrEmpty(name)))
                    {

                        result.Add((T)child);  //注意，这个List中的顺序并不是XAML中的结构顺序，而是其逆序哦！                   
                    }

                    queue.Enqueue(child);

                }

            }

            return result;            

        }
       

        //获取同级对象控件.  问题1：父级控件类型是什么？；2.同级的控件类型又是什么？
        public static T FindEquativeOfType<T>(DependencyObject obj, string name = null) where T : FrameworkElement
        {

            DependencyObject parentObj = GetParentObject<T>(obj);

            return (T)FindChildOfType<T>(parentObj, name);


            //return null;

        }