AppDomain.CreateInstance Method (String, String, Boolean, BindingFlags, Binder, Object(), CultureInfo, Object(), Evidence)
Note: This API is now obsolete. The non-obsolete alternative is CreateInstance.
Creates a new instance of the specified type defined in the specified assembly. Parameters specify a binder, binding flags, constructor arguments, culture-specific information used to interpret arguments, activation attributes, and authorization to create the type.
Assembly: mscorlib (in mscorlib.dll)
'Declaration <ObsoleteAttribute("Methods which use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Please use an overload of CreateInstance which does not take an Evidence parameter. See http://go.microsoft.com/fwlink/?LinkID=155570 for more information.")> _ Public Function CreateInstance ( _ assemblyName As String, _ typeName As String, _ ignoreCase As Boolean, _ bindingAttr As BindingFlags, _ binder As Binder, _ args As Object(), _ culture As CultureInfo, _ activationAttributes As Object(), _ securityAttributes As Evidence _ ) As ObjectHandle
- Type: System.String
The fully qualified name of the requested type, including the namespace but not the assembly, as returned by the Type.FullName property.
- Type: System.Boolean
A Boolean value specifying whether to perform a case-sensitive search or not.
- Type: System.Reflection.BindingFlags
A combination of zero or more bit flags that affect the search for the typeName constructor. If bindingAttr is zero, a case-sensitive search for public constructors is conducted.
- Type: System.Reflection.Binder
An object that enables the binding, coercion of argument types, invocation of members, and retrieval of MemberInfo objects using reflection. If binder is null, the default binder is used.
- Type: System.Object()
The arguments to pass to the constructor. This array of arguments must match in number, order, and type the parameters of the constructor to invoke. If the default constructor is preferred, args must be an empty array or null.
- Type: System.Globalization.CultureInfo
Culture-specific information that governs the coercion of args to the formal types declared for the typeName constructor. If culture is Nothing, the CultureInfo for the current thread is used.
- Type: System.Object()
An array of one or more attributes that can participate in activation. Typically, an array that contains a single UrlAttribute object. The UrlAttribute specifies the URL that is required to activate a remote object.
- Type: System.Security.Policy.Evidence
Information used to authorize creation of typeName.
Return ValueType: System.Runtime.Remoting.ObjectHandle
An object that is a wrapper for the new instance specified by typeName. The return value needs to be unwrapped to access the real object.
Implements_AppDomain.CreateInstance(String, String, Boolean, BindingFlags, Binder, Object(), CultureInfo, Object(), Evidence)
The operation is attempted on an unloaded application domain.
assemblyName or typeName is Nothing.
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.
assemblyName was not found.
The caller does not have permission to call this constructor.
No matching constructor was found.
The caller cannot provide activation attributes for an object that does not inherit from MarshalByRefObject.
securityAttributes is not Nothing. When legacy CAS policy is not enabled, securityAttributes should be null.
typename was not found in assemblyName.
This instance is Nothing.
See AssemblyName for the format of assemblyName.
The activationAttributes parameter is related to client-activated objects; see Client Activation.
An attempt to call CreateInstance on a target application domain that is not the current application domain will result in a successful load of the assembly in the target application domain. Since an Assembly is not MarshalByRefObject, when this method attempts to return the Assembly for the loaded assembly to the current application domain, the common language runtime will try to load the assembly into the current application domain and the load might fail. The assembly that is loaded into the current application domain might be different from the assembly that was loaded first if the path settings for the two application domains are different.
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.
for the ability to call unmanaged code when creating an instance of a delegate. Associated enumeration: SecurityPermissionFlag.UnmanagedCode
for the ability to invoke operations on all type members. Associated enumeration: ReflectionPermissionFlag.MemberAccess
to provide evidence. Associated enumeration: SecurityPermissionFlag.ControlEvidence.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)