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SA1621: GenericTypeParameterDocumentationMustDeclareParameterName

Glossary Item Box

TypeName	GenericTypeParameterDocumentationMustDeclareParameterName
CheckId	SA1621
Category	Documentation Rules

Cause

A <typeparam> tag within the Xml header documentation for a generic C# element is missing a name attribute, or contains an empty name attribute.

Rule Description

C# syntax provides a mechanism for inserting documentation for classes and elements directly into the code, through the use of Xml documentation headers. For an introduction to these headers and a description of the header syntax, see the following article: http://msdn.microsoft.com/en-us/magazine/cc302121.aspx.

A violation of this rule occurs if the element contains a <typeparam> tag within its Xml header documentation which does not declare the name of the type parameter.

How to Fix Violations

To fix a violation of this rule, add or fill-in the name attribute for each <typeparam> tag, indicating the name of the type parameter that the documentation is for.

The following example shows a method with a valid documentation header:

/// <summary>

/// A sample generic class.

/// </summary>

/// <typeparam name="S">The first generic type parameter.</typeparam>

/// <typeparam name="T">The second generic type parameter.</typeparam>

public class Class1<S, T>

{

}