<assert> Element

2013-02-04

Specifies whether to display a message box when you call the Debug.Assert method; also specifies the name of the file to write messages to.

<configuration> Element
<system.diagnostics> Element
<assert> Element

<assert assertuienabled="true|false" logfilename="file name"/>

Attributes and Elements

The following sections describe attributes, child elements, and parent elements.

Attributes

Attribute	Description
assertuienabled	Optional attribute. Specifies whether to display a message box when the Debug.Assert method evaluates to false.
logfilename	Optional attribute. Specifies the name of the file to write the message to if Debug.Assert evaluates to false.

assertuienabled

Optional attribute.

Specifies whether to display a message box when the Debug.Assert method evaluates to false.

logfilename

Optional attribute.

Specifies the name of the file to write the message to if Debug.Assert evaluates to false.

assertuienabled Attribute

Value	Description
true	Displays the message box. This is the default.
false	Does not display the message box.

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.

Remarks

Both attributes in the <assert> element are optional. You can disable message boxes without specifying a file to write the messages to, or you can specify a file to write messages to while leaving message boxes enabled.

Example

The following example shows how to disable displaying message boxes when you call Debug.Assert and write the messages to c:\log.txt.

<configuration>
   <system.diagnostics>
      <assert assertuienabled="false" logfilename="c:\log.txt"/>
   </system.diagnostics>
</configuration>

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