#眉標=SD
#副標=Microsoft.NET Design Patterns專欄
#大標=.NET進階技術與設計模式-以log4net為例
#作者=文／林耀珍

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#程式1

ILog log =LogManager.GetLogger("ConsoleApp.
LoggingExample");
log.Info("Application [ConsoleApp] Start");
if (log.IsDebugEnabled) log.Debug("This is a debug
message");
log.Error("Exception thrown from method Bar", ex);
log.Error("Hey this is an error!");
using(NDC.Push("NDC_Message")) {
  log.Warn("This should have an NDC message");
  MDC.Set("auth", "auth-none");
  log.Warn("… an MDC message for the key 'auth'");
}
log.Warn("…. The MDC 'auth' key is still with us.");
log.Info("Application [ConsoleApp] End");

//執行結果
[Header]
2005-02-15 22:43:26,984 [2944] INFO
ConsoleApp.LoggingExample [] <> - Application
[ConsoleApp] Start
2005-02-15 22:43:27,156 [2944] DEBUG
ConsoleApp.LoggingExample [] <> - This is a debug
message
2005-02-15 22:43:27,187 [2944] ERROR
ConsoleApp.LoggingExample [] <> - Exception
thrown from method Bar
Exception: System.ArithmeticException
Message: Failed in Goo. Calling Foo. Inner Exception
provided
Source: ConsoleApp
at ConsoleApp.LoggingExample.Goo() in m:\rd
seminar\2005 03
log4net\log4net\examples\net\1.0\tutorials\consoleapp\
cs\src\loggingexample.cs:line 100
…
…
…
Application [ConsoleApp] End
[Footer]
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#程式2
1: slot=Thread.AllocateDataSlot();
2: stack = new Stack();
3: Thread.SetData(slot, stack);
4: Thread.GetData(slot);
5: NDC.push()
6: NDC.Pop()
7: NDC.Peek()
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