AppDomain.CreateInstanceFromAndUnwrap Method (String, String)
Assembly: mscorlib (in mscorlib.dll)
public function CreateInstanceFromAndUnwrap ( assemblyName : String, typeName : String ) : Object
The file name and path of the assembly that defines the requested type.
The fully qualified name of the requested type, including the namespace but not the assembly, as returned by the Type.FullName property.
Return ValueThe requested object, or a null reference (Nothing in Visual Basic) if typeName is not found.
assemblyName is a null reference (Nothing in Visual Basic).
typeName is a null reference (Nothing in Visual Basic).
Operations are attempted on an unloaded application domain.
assemblyName was not found.
typeName was not found in assemblyName.
No parameterless public constructor was found.
The caller does not have sufficient permission to call this constructor.
assemblyName is not a valid assembly.
An assembly or module was loaded twice with two different evidences.
- FileIOPermissionAccess for the ability to access the location of the assembly. Associated enumeration: FileIOPermissionAccess.PathDiscovery
- FileIOPermissionAccess for the ability to read the file containing the assembly manifest. Associated enumeration: FileIOPermissionAccess.Read
- WebPermission for the ability to access the location of the assembly if the assembly is not local.
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.