C # Obsolete (deprecated method properties)

 classRealization:interface {/// <summary>        ///deprecated method, obsolete the second parameter is set to True, calling this method generates a warning and causes the compiler to give an error/// </summary>        /// <param name= "Skey" >Parameters</param>        /// <returns></returns>[Obsolete ("This method has been deprecated",true)]         Public stringAbandonedoutput (stringskey) {            return NULL; }        /// <summary>        ///deprecated method that only generates a warning when called/// </summary>        /// <param name= "Skey" ></param>        /// <returns></returns>[Obsolete ("This method has been deprecated")]         Public stringOutput (stringskey) {            return string. Format ("This method can be used with {0}", Skey); }    }

C # Obsolete (deprecated method properties)