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 = ,

             string prefix = "[TC] ")

         {

             Trace.WriteLine(string.Format(Traceformat, prefix, DateTime.Now, memberName, filePath, lineNumber));

         }

         #endregion