/// <summary>

    /// 窗体主题边界类

    /// </summary>

    public class FormSkin : SkinEngine

    {

        /// <summary>

        /// 主题单例

        /// </summary>

        private static FormSkin Skin;

        /// <summary>

        /// 构造函数

        /// </summary>

        /// <param name="path">皮肤文件的位置</param>

        private FormSkin(string path)

        {

            _skinNames = new List<string>();

            DicSkins = new Dictionary<string, string>();

            GetSkins(path);

        }

        /// <summary>

        /// 主题存放位置

        /// </summary>

        /// <param name="path"></param>

        /// <returns></returns>

        public static FormSkin CreateSkin(string path)

        {

            if (Skin == null)

            {

                Skin = new FormSkin(path); 

            }

            return Skin;

        }

        #region 字段

        /// <summary>

        /// 主题名称

        /// </summary>

        private List<string> _skinNames ;

        #endregion

        #region 属性

        /// <summary>

        /// 主题名称

        /// </summary>

        public string[] SkinNames { get { return _skinNames.ToArray(); }  }

        /// <summary>

        /// 主题名称与路径的字典

        /// </summary>

        protected Dictionary<string, string> DicSkins { get; set; }

        #endregion

        #region protected方法

        /// <summary>

        /// 获取主题信息

        /// </summary>

        /// <param name="path"></param>

        protected virtual void GetSkins(string path)

        {

            foreach (string file in Directory.GetFiles(path, "*.ssk", SearchOption.AllDirectories))

            {

                int index = file.LastIndexOf(@"\");

                var _name = file.Substring(index + 1, file.Length - index - 5).Trim();

                if (!_skinNames.Contains(_name)) _skinNames.Add(_name);

                if (!DicSkins.Keys.Contains(_name)) DicSkins.Add(_name, file);

            }

        }

        #endregion

        #region public方法

        /// <summary>

        /// 设置皮肤

        /// </summary>

        /// <param name="key">根据名称</param>

        /// <returns></returns>

        public bool SetSkin(string key)

        {

            if (DicSkins.Keys.Contains(key))

            {

                var file = DicSkins[key];

                if (File.Exists(file))

                {

                    Skin.SkinFile = file;

                    return true;

                }

            }

            return false;

        }

        #endregion

    }

 //主题

            Skin = LqwCourse.Base.FormSkin.CreateSkin(AppDomain.CurrentDomain.BaseDirectory);

            Skin.SetSkin(Skin.SkinNames.Length > 0 ? Skin.SkinNames[0] : "");