public class CheckDesingModel    {        public static bool IsDesingMode()        {            bool ReturnFlag = false;            if (LicenseManager.UsageMode == LicenseUsageMode.Designtime)                ReturnFlag = true;            else if (System.Diagnostics.Process.GetCurrentProcess().ProcessName == "devenv")                ReturnFlag = true;            //if (ReturnFlag)            //    Msg.Warning("设计模式");            //else Msg.Warning("非设计模式！");            return ReturnFlag;        }    }