AppDomain.CreateInstanceFromAndUnwrap Method (String, String)
Creates a new instance of the specified type defined in the specified assembly file.
Assembly: mscorlib (in mscorlib.dll)
public function CreateInstanceFromAndUnwrap( assemblyName : String, typeName : String ) : Object
- Type: System.String
The file name and path of the assembly that defines the requested type.
Return ValueType: System.Object
The 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).
The operation is 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.
Version 2.0 or later of the common language runtime is currently loaded and assemblyName was compiled with a later version.
An assembly or module was loaded twice with two different evidences.
for the ability to access the location of the assembly. Associated enumeration: FileIOPermissionAccess.PathDiscovery
for the ability to read the file containing the assembly manifest. Associated enumeration: FileIOPermissionAccess.Read
for the ability to access the location of the assembly if the assembly is not local.
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.