C#查看/写入日志到Windows事件查看器的操作方法

 //获取所有事件日志
  var logs = EventLog.GetEventLogs();
 
  foreach (var item in logs)
  {
      //输出事件日志的名字(显示名字[日志名字])
      //日志名字是用于读取/写入时的名字
      Console.WriteLine(item.LogDisplayName + $"[{item.Log}]");
  }

   static void Main(string[] args)
    {
        PrintLogClass();
  
        PrintLogEntry("Visual Studio");
    }
  
    static void PrintLogEntry(string logName)
    {
       //获取所有事件日志
       var logs = EventLog.GetEventLogs();
 
       foreach (var item in logs)
       {
           if(item.LogDisplayName == logName)
           {
               foreach (EventLogEntry entry in item.Entries)
               {
                   Console.WriteLine($"级别:{entry.EntryType}");
                   Console.WriteLine($"创建时间:{entry.TimeGenerated}");
                   Console.WriteLine($"来源:{entry.Source}");
                   Console.WriteLine($"事件ID:{entry.InstanceId}");
                   Console.WriteLine($"日志内容:{entry.Message}");
                   Console.WriteLine();
               }
           }
       }
   }

 //需要先注册一个来源，跟日志绑定
 if(!EventLog.SourceExists("MyApplicationLogSource"))
 {
     EventLog.CreateEventSource("MyApplicationLogSource", "Application");
 }
 
 EventLog.WriteEntry("MyApplicationLogSource", "测试日志内容",EventLogEntryType.Warning,100010);

  //创建来源并跟日志（MyLog）绑定
  if (!EventLog.SourceExists("MySource"))
  {
      EventLog.CreateEventSource("MySource", "MyLog");
  }
 
  //写入记录到MyLog下
  EventLog.WriteEntry("MySource", "你可以指定日志内容", EventLogEntryType.Warning, 10010);   

  //获取所有事件日志
  var logs = EventLog.GetEventLogs();
 
  foreach (var item in logs)
  {
      if (item.LogDisplayName == logName)
      {
          //清除所有记录
          item.Clear();
          break;
      }
  }

 //删除日志来源
 EventLog.DeleteEventSource("MySource");
 //删除日志
 EventLog.Delete("MyLog");