Activator.CreateInstance Method (Type, Object[], Object[])

ActivatorCreateInstance Method (Type, Object, Object)

Creates an instance of the specified type using the constructor that best matches the specified parameters.

Namespace: System
Assembly: mscorlib (in mscorlib.dll) Version: 4.0.0.0

Syntax

public static Object CreateInstance(
	Type type,
	Object[] args,
	Object[] activationAttributes
)

type: Type: SystemType
The type of object to create.
args: Type: SystemObject
An array of arguments that match in number, order, and type the parameters of the constructor to invoke. If args is an empty array or null, the constructor that takes no parameters (the default constructor) is invoked.
activationAttributes: Type: SystemObject
An array of one or more attributes that can participate in activation. This is typically an array that contains a single UrlAttribute object. The UrlAttribute specifies the URL that is required to activate a remote object.

Type: Object
A reference to the newly created object.

Exceptions

Exception	Condition
ArgumentNullException	type is null.
ArgumentException	type is not a RuntimeType. -or-type is an open generic type (that is, the ContainsGenericParameters property returns true).
NotSupportedException	type cannot be a TypeBuilder.-or- Creation of TypedReference, ArgIterator, Void, and RuntimeArgumentHandle types, or arrays of those types, is not supported.-or- activationAttributes is not an empty array, and the type being created does not derive from MarshalByRefObject. -or-The assembly that contains type is a dynamic assembly that was created with Save.-or-The constructor that best matches args has varargs arguments.
TargetInvocationException	The constructor being called throws an exception.
MethodAccessException	The caller does not have permission to call this constructor.
MemberAccessException	Cannot create an instance of an abstract class, or this member was invoked with a late-binding mechanism.
InvalidComObjectException	The COM type was not obtained through GetTypeFromProgID or GetTypeFromCLSID.
MissingMethodException	No matching public constructor was found.
COMException	type is a COM object but the class identifier used to obtain the type is invalid, or the identified class is not registered.
TypeLoadException	type is not a valid type.