tracecaller.cs

        #region Utility
        
#if TRACE
        private const string Traceformat = ""{0}","{1:yyyy-MM-dd HH:mm:ss.fffffff}","{2}","{3}","{4}"";
#endif
        
        /// <summary>
        /// tarce.WriteLine前缀名,时间,成员名,文件名,行号。前缀缺省是“TC”，便于检索。
        /// </summary>
        /// <remarks>至少.NET Framework 4.5</remarks>
        [Conditional("TRACE")]
        public static void TraceCaller(
            [System.Runtime.CompilerServices.CallerMemberName]
            string memberName = "",
            [System.Runtime.CompilerServices.CallerFilePath]
            string filePath = "",
            [System.Runtime.CompilerServices.CallerLineNumber]
            int lineNumber = 0,
            string prefix = "[TC] ")
        {
            Trace.WriteLine(string.Format(Traceformat, prefix, DateTime.Now, memberName, filePath, lineNumber));
        }

        #endregion