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AppDomain.CreateInstanceFromAndUnwrap Method (String, String, Object[])

Creates a new instance of the specified type defined in the specified assembly file.

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

public Object CreateInstanceFromAndUnwrap (
	string assemblyName,
	string typeName,
	Object[] activationAttributes
)
public Object CreateInstanceFromAndUnwrap (
	String assemblyName, 
	String typeName, 
	Object[] activationAttributes
)
public function CreateInstanceFromAndUnwrap (
	assemblyName : String, 
	typeName : String, 
	activationAttributes : Object[]
) : Object
Not applicable.

Parameters

assemblyName

The file name and path of the assembly that defines the requested type.

typeName

The fully qualified name of the requested type, including the namespace but not the assembly (see the Type.FullName property).

activationAttributes

An array of one or more attributes that can participate in activation. Typically, an array that contains a single UrlAttribute object. The UrlAttribute specifies the URL that is required to activate a remote object. For a detailed description of client-activated objects, see Client Activation.

Return Value

The requested object, or a null reference (Nothing in Visual Basic) if typeName is not found.

Exception typeCondition

ArgumentNullException

assemblyName is a null reference (Nothing in Visual Basic).

-or-

typeName is a null reference (Nothing in Visual Basic).

NotSupportedException

The caller cannot provide activation attributes for an object that does not inherit from MarshalByRefObject.

AppDomainUnloadedException

The operation is attempted on an unloaded application domain.

FileNotFoundException

assemblyName was not found.

TypeLoadException

typeName was not found in assemblyName.

MissingMethodException

No parameterless public constructor was found.

MethodAccessException

The caller does not have sufficient permission to call this constructor.

BadImageFormatException

assemblyName is not a valid assembly.

-or-

Version 2.0 or later of the common language runtime is currently loaded and assemblyName was compiled with a later version.

FileLoadException

An assembly or module was loaded twice with two different evidences.

This is a convenience method that combines CreateInstanceFrom and ObjectHandle.Unwrap. This method calls the default constructor for typeName.

For more information, see the Activator.CreateInstanceFrom method.

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

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