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Exception Constructor (String)

Initializes a new instance of the Exception class with a specified error message.

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

new : 
        message:string -> Exception


Type: System.String
The message that describes the error.

This constructor initializes the Message property of the new instance using the message parameter.

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




A null reference (Nothing in Visual Basic).


The error message string.

The following code example derives an Exception for a specific condition. The code demonstrates the use of the constructor that takes a caller-specified message as a parameter, for both the derived class and the base Exception class.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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