AppDomain.CreateInstanceFromAndUnwrap Method (String, String, Object)
Creates a new instance of the specified type defined in the specified assembly file.
Assembly: mscorlib (in mscorlib.dll)
public object CreateInstanceFromAndUnwrap( string assemblyName, string typeName, object activationAttributes )
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 (see the Type.FullName property).
An array of one or more attributes that can participate in activation. Typically, an array that contains a single UrlAttribute object that specifies the URL that is required to activate a remote object.
This parameter is related to client-activated objects.Client activation is a legacy technology that is retained for backward compatibility but is not recommended for new development. Distributed applications should instead use Windows Communication Foundation.
Return ValueType: System.Object
The requested object, or null if typeName is not found.
assemblyName is null.
typeName is null.
The caller cannot provide activation attributes for an object that does not inherit from MarshalByRefObject.
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.
Available since 1.1