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ArgumentNullException Constructor (String)

Initializes a new instance of the ArgumentNullException class with the name of the parameter that causes this exception.

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

public ArgumentNullException(
	string paramName
)

Parameters

paramName
Type: System.String

The name of the parameter that caused the exception.

This constructor initializes the Message property of the new instance to a system-supplied message that describes the error, such as "Argument cannot be null." This message takes into account the current system culture.

This constructor initializes the ParamName property of the new instance using the paramName parameter. The content of paramName is intended to be understood by humans.

The following table shows the initial property values for an instance of ArgumentNullException.

Property

Value

InnerException

A null reference (Nothing in Visual Basic).

Message

The empty string ("").

ParamName

The parameter name string.

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, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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