<remove> Element for <listeners> for <source>
Removes a listener from the Listeners collection for a trace source.
<remove name="listenerName" />
Attributes and Elements
The following sections describe attributes, child elements, and parent elements.
Attributes
| Attribute | Description |
|---|---|
name |
Required attribute. The name of the listener to remove from the Listeners collection. |
Child Elements
None.
Parent Elements
| Element | Description |
|---|---|
configuration |
The root element in every configuration file used by the common language runtime and .NET Framework applications. |
system.diagnostics |
Specifies trace listeners that collect, store, and route messages and the level where a trace switch is set. |
sources |
Contains trace sources that initiate tracing messages. |
source |
Specifies a trace source that initiates tracing messages. |
listeners |
Specifies listeners that collect, store, and route messages. |
Remarks
The <remove> element removes a specified listener from the Listeners collection for a trace source.
You can remove an element from the Listeners collection for a trace source programmatically by calling the Remove method on the Listeners property of the TraceSource instance.
This element can be used in the machine configuration file (Machine.config) and the application configuration file.
Example
The following example shows how to use the <remove> element before using the <add> element to add the listener console to the Listeners collection for the trace source TraceSourceApp.
<configuration>
<system.diagnostics>
<sources>
<source name="TraceSourceApp" switchName="sourceSwitch"
switchType="System.Diagnostics.SourceSwitch" >
<listeners>
<remove name="Default"/>
<add name="console"
type="System.Diagnostics.ConsoleTraceListener" />
</listeners>
</source>
</sources>
</system.diagnostics>
</configuration>
See Also
Reference
Trace and Debug Settings Schema
<clear> Element for <listeners> for <source>
Listeners
TraceSource