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SuppressMessageAttribute.MessageId Property

Gets or sets an optional argument expanding on exclusion criteria.

Namespace:  System.Diagnostics.CodeAnalysis
Assembly:  mscorlib (in mscorlib.dll)

public string MessageId { get; set; }

Property Value

Type: System.String
A string containing the expanded exclusion criteria.

The MessageId property is an optional argument that specifies additional exclusion where the literal metadata target is not sufficiently precise. For example, the SuppressMessageAttribute cannot be applied within a method, and it may be desirable to suppress a violation against a statement in the method that will give a rule violation, but not against all statements in the method.

The following code example shows the use of the SuppressMessageAttribute attribute to suppress warnings for a specific parameter in a method declaration and a specific field in the method. This code example is part of a larger example provided for the SuppressMessageAttribute class.

[SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "isChecked")]
[SuppressMessage("Microsoft.Performance", "CA1804:RemoveUnusedLocals", MessageId = "fileIdentifier")]
static void FileNode(string name, bool isChecked)
{
    string fileIdentifier = name;
    string fileName = name;
    string version = String.Empty;
}

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0

.NET Compact Framework

Supported in: 3.5, 2.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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