C# 写入log到event viewer_日志写到eventview

string source = "DemoSourceWithinApplicationLog";//写exe名称即可，容易识别
            string log = "Application";
            if (!EventLog.SourceExists(source))
            {
                EventLog.CreateEventSource(source, log);//没找到先注册
            }
            EventLog.WriteEntry(source, "This is a warning from the demo log",
                EventLogEntryType.Warning);
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需要注意的是运行程序需要以admin运行，否则没有权限读取event log的注册表