Activator.CreateInstance Method (Type)
Assembly: mscorlib (in mscorlib.dll)
'Declaration Public Shared Function CreateInstance ( _ type As Type _ ) As Object 'Usage Dim type As Type Dim returnValue As Object returnValue = Activator.CreateInstance(type)
The type of object to create.
Return ValueA reference to the newly created object.
type is a null reference (Nothing in Visual Basic).
type is not a RuntimeType.
type cannot be a TypeBuilder.
The constructor being called throws an exception.
The caller does not have permission to call this constructor.
Cannot create an instance of an abstract class or this member was invoked with a late-binding mechanism.
No matching public constructor was found.
type is a COM object but the class identifier used to obtain the type is invalid, or the identified class is not registered.
type is not a valid type.
' Create an instance of the StringBuilder type using Activator.CreateInstance. Dim o As Object = Activator.CreateInstance(GetType(StringBuilder)) ' Append a string into the StringBuilder object and display the StringBuilder. Dim sb As StringBuilder = CType(o, StringBuilder) sb.Append("Hello, there.") Console.WriteLine(sb)
Windows 98, Windows 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 .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.