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ArgumentNullException Constructor (String, String)

Initializes an instance of the ArgumentNullException class with a specified error message and the name of the parameter that causes this exception.

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

new : 
        paramName:string * 
        message:string -> ArgumentNullException

Parameters

paramName
Type: System.String

The name of the parameter that caused the exception.

message
Type: System.String

A message that describes the error.

This constructor initializes the Message property of the new instance using the value of the message parameter. The content of the message parameter is intended to be understood by humans. The caller of this constructor is required to ensure that this string has been localized for 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 error message string.

ParamName

The parameter name string.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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