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ArgumentException Constructor (String, String)

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

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

public:
ArgumentException(
	String^ message, 
	String^ paramName
)

Parameters

message
Type: System::String

The error message that explains the reason for the exception.

paramName
Type: System::String

The name of the parameter that caused the current exception.

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 paramName. The content of paramName is intended to be understood by humans.

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

Property

Value

Message

The error message string.

ParamName

The parameter name string.

The following code example demonstrates how to call the ArgumentException constructor. This code example is part of a larger example provided for the ArgumentException class.

int DivideByTwo(int num)
{
    // If num is an odd number, throw an ArgumentException. 
    if ((num & 1) == 1)
    {
        throw gcnew ArgumentException("Number must be even", "num");
    }
    // num is even, return half of its value. 
    return num / 2;
}

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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