[英]How do I programmatically create kmltreeview folders and add placemarks in them?
[英]How do I programmatically add logging filters?
我想在我的NLog中添加規則。 規則是:
<rules>
<logger name="*" writeTo="file">
<filters>
<when condition="length(message) > 100" action="Ignore" />
<when condition="equals('${logger}','MyApps.SomeClass')" action="Ignore" />
<when condition="(level >= LogLevel.Debug and contains(message,'PleaseDontLogThis')) or level==LogLevel.Warn" action="Ignore" />
<when condition="not starts-with('${message}','PleaseLogThis')" action="Ignore" />
</filters>
</logger>
現在我想用C#代碼實現它。 我還沒有在網上找到示例代碼。
我將看一下NLog的Configuration API文檔。 雖然它沒有專門引用過濾器,但似乎以編程方式完成此操作的方法是使用LoggingRules
來控制日志消息的處理方式。
編輯
就像我說的,Configuration API是實現這一目標的方法。 此示例將以編程方式復制以下配置:
配置
<targets>
<target name="console" type="Console" />
</targets>
<rules>
<logger name="*" minlevel="Debug" writeTo="console">
<filters>
<when condition="not starts-with('${message})', 'PleaseLogThis')" action="Ignore" />
</filters>
</logger>
</rules>
碼
// Create the filter
var filter = new ConditionBasedFilter();
filter.Condition = "not starts-with('${message}','PleaseLogThis')";
filter.Action = FilterResult.Ignore;
// Create the rule to apply the filter to
var consoleTarget = new ColoredConsoleTarget();
var rule = new LoggingRule("*", LogLevel.Debug, consoleTarget);
rule.Filters.Add(filter);
// Create the config to apply the rule to
var config = new LoggingConfiguration();
config.LoggingRules.Add(rule);
// Update the log manager with the programmatic config
LogManager.Configuration = config;
// Test Your Logging
var log = LogManager.GetCurrentClassLogger();
log.Debug("Test");
log.Debug("Filter");
log.Debug("PleaseLogThis");
Console.ReadLine();
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