Class Type

Represents type declarations: class types, interface types, array types, value types, enumeration types, type parameters, generic type definitions, and open or closed constructed generic types.

Inheritance

object

MemberInfo

Type

Implements

IReflect

Inherited Members

MemberInfo.GetCustomAttributes(bool)

MemberInfo.MemberType

MemberInfo.Name

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

Namespace: System

Assembly: mscorlib.dll

Syntax

public abstract class Type : MemberInfo, IReflect

Remarks

Available only in mscorlib build with support for System.Reflection.

Constructors

Type()

Declaration

protected Type()

Properties

Assembly

Gets the Assembly in which the type is declared. For generic types, gets the Assembly in which the generic type is defined.

Declaration

public abstract Assembly Assembly { get; }

Property Value

Type	Description
Assembly	An Assembly instance that describes the assembly containing the current type. For generic types, the instance describes the assembly that contains the generic type definition, not the assembly that creates and uses a particular constructed type.

AssemblyQualifiedName

Gets the assembly-qualified name of the type, which includes the name of the assembly from which this Type object was loaded.

Declaration

public abstract string AssemblyQualifiedName { get; }

Property Value

Type	Description
string	The assembly-qualified name of the Type, which includes the name of the assembly from which the Type was loaded, or null if the current instance represents a generic type parameter.

BaseType

Gets the type from which the current Type directly inherits.

Declaration

public abstract Type BaseType { get; }

Property Value

Type	Description
Type	The Type from which the current Type directly inherits, or null if the current Type represents the Object class or an interface.

DeclaringType

Gets the type that declares the current nested type or generic type parameter.

Declaration

public override Type DeclaringType { get; }

Property Value

Type	Description
Type	A Type object representing the enclosing type, if the current type is a nested type; or the generic type definition, if the current type is a type parameter of a generic type; or the type that declares the generic method, if the current type is a type parameter of a generic method; otherwise, null.

Overrides

MemberInfo.DeclaringType

FullName

Gets the fully qualified name of the type, including its namespace but not its assembly.

Declaration

public abstract string FullName { get; }

Property Value

Type	Description
string	The fully qualified name of the type, including its namespace but not its assembly; or null if the current instance represents a generic type parameter, an array type, pointer type, or byref type based on a type parameter, or a generic type that is not a generic type definition but contains unresolved type parameters.

IsAbstract

Gets a value indicating whether the Type is abstract and must be overridden.

Declaration

public bool IsAbstract { get; }

Property Value

Type	Description
bool	true if the Type is abstract; otherwise, false.

IsArray

Gets a value that indicates whether the type is an array.

Declaration

public bool IsArray { get; }

Property Value

Type	Description
bool	true if the current type is an array; otherwise, false.

IsClass

Gets a value indicating whether the Type is a class or a delegate; that is, not a value type or interface.

Declaration

public bool IsClass { get; }

Property Value

Type	Description
bool	true if the Type is a class; otherwise, false.

IsEnum

Gets a value indicating whether the current Type represents an enumeration.

Declaration

public bool IsEnum { get; }

Property Value

Type	Description
bool	true if the current Type represents an enumeration; otherwise, false.

IsInterface

Gets a value indicating whether the Type is an interface; that is, not a class or a value type.

Declaration

public bool IsInterface { get; }

Property Value

Type	Description
bool	true if the Type is an interface; otherwise, false.

IsNotPublic

Gets a value indicating whether the Type is not declared public.

Declaration

public bool IsNotPublic { get; }

Property Value

Type	Description
bool	true if the Type is not declared public and is not a nested type; otherwise, false.

IsPublic

Gets a value indicating whether the Type is declared public.

Declaration

public bool IsPublic { get; }

Property Value

Type	Description
bool	true if the Type is declared public and is not a nested type; otherwise, false.

IsSerializable

Gets a value indicating whether the Type is serializable.

Declaration

public bool IsSerializable { get; }

Property Value

Type	Description
bool	true if the Type is serializable; otherwise, false.

IsValueType

Gets a value indicating whether the Type is a value type.

Declaration

public bool IsValueType { get; }

Property Value

Type	Description
bool	true if the Type is a value type; otherwise, false.

Methods

GetConstructor(Type[])

Searches for a public instance constructor whose parameters match the types in the specified array.

Declaration

public ConstructorInfo GetConstructor(Type[] types)

Parameters

Type	Name	Description
Type[]	types	An array of Type objects representing the number, order, and type of the parameters for the desired constructor. -or- An empty array of Type objects, to get a constructor that takes no parameters.Such an empty array is provided by the static field Type.EmptyTypes.

Returns

Type	Description
ConstructorInfo	An object representing the public instance constructor whose parameters match the types in the parameter type array, if found; otherwise, null.

GetConstructors()

Returns all the public constructors defined for the current Type.

Declaration

public ConstructorInfo[] GetConstructors()

Returns

Type

Description

ConstructorInfo[]

An array of ConstructorInfo objects representing all the public instance constructors defined for the current Type, but not including the type initializer (static constructor). If no public instance constructors are defined for the current Type, or if the current Type represents a type parameter in the definition of a generic type or generic method, an empty array of type ConstructorInfo is returned.

GetElementType()

When overridden in a derived class, returns the Type of the object encompassed or referred to by the current array, pointer or reference type.

Declaration

public abstract Type GetElementType()

Returns

Type	Description
Type	The Type of the object encompassed or referred to by the current array, pointer, or reference type, or null if the current Type is not an array or a pointer, or is not passed by reference, or represents a generic type or a type parameter in the definition of a generic type or generic method.

GetField(string)

Searches for the public field with the specified name.

Declaration

public FieldInfo GetField(string name)

Parameters

Type	Name	Description
string	name	The string containing the name of the data field to get.

Returns

Type	Description
FieldInfo	An object representing the public field with the specified name, if found; otherwise, null.

GetField(string, BindingFlags)

Searches for the specified field, using the specified binding constraints.

Declaration

public abstract FieldInfo GetField(string name, BindingFlags bindingAttr)

Parameters

Type	Name	Description
string	name	The string containing the name of the data field to get.
BindingFlags	bindingAttr	A bitmask comprised of one or more BindingFlags that specify how the search is conducted or Zero, to return null.

Returns

Type	Description
FieldInfo	An object representing the field that matches the specified requirements, if found; otherwise, null.

GetFields()

Returns all the public fields of the current Type.

Declaration

public FieldInfo[] GetFields()

Returns

Type	Description
FieldInfo[]	An array of FieldInfo objects representing all the public fields defined for the current Type. -or- An empty array of type FieldInfo, if no public fields are defined for the current Type.

GetFields(BindingFlags)

When overridden in a derived class, searches for the fields defined for the current Type, using the specified binding constraints.

Declaration

public abstract FieldInfo[] GetFields(BindingFlags bindingAttr)

Parameters

Type	Name	Description
BindingFlags	bindingAttr	A bitmask comprised of one or more BindingFlags that specify how the search is conducted or Zero, to return null.

Returns

Type	Description
FieldInfo[]	An array of FieldInfo objects representing all the public fields defined for the current Type. -or- An empty array of type FieldInfo, if no public fields are defined for the current Type.

GetInterfaces()

When overridden in a derived class, gets all the interfaces implemented or inherited by the current Type.

Declaration

public abstract Type[] GetInterfaces()

Returns

Type	Description
Type[]	An array of Type objects representing all the interfaces implemented or inherited by the current Type. -or- An empty array of type Type, if no interfaces are implemented or inherited by the current Type.

GetMethod(string)

Searches for the public method with the specified name.

Declaration

public MethodInfo GetMethod(string name)

Parameters

Type	Name	Description
string	name	The string containing the name of the public method to get.

Returns

Type	Description
MethodInfo	An object that represents the public method with the specified name, if found; otherwise, null.

GetMethod(string, BindingFlags)

Searches for the specified method, using the specified binding constraints.

Declaration

public MethodInfo GetMethod(string name, BindingFlags bindingAttr)

Parameters

Type	Name	Description
string	name	The string containing the name of the method to get.
BindingFlags	bindingAttr	A bitmask comprised of one or more BindingFlags that specify how the search is conducted or Zero, to return null.

Returns

Type	Description
MethodInfo	An object representing the method that matches the specified requirements, if found; otherwise, null.

GetMethod(string, Type[])

Searches for the specified public method whose parameters match the specified argument types.

Declaration

public MethodInfo GetMethod(string name, Type[] types)

Parameters

Type	Name	Description
string	name	The string containing the name of the public method to get.
Type[]	types	An array of Type objects representing the number, order, and type of the parameters for the desired constructor. -or- An empty array of Type objects, to get a constructor that takes no parameters.Such an empty array is provided by the static field Type.EmptyTypes.

Returns

Type	Description
MethodInfo	An object representing the public method whose parameters match the specified argument types, if found; otherwise, null.

GetMethods()

Returns all the public methods of the current Type.

Declaration

public MethodInfo[] GetMethods()

Returns

Type	Description
MethodInfo[]	An array of MethodInfo objects representing all the public methods defined for the current Type. -or- An empty array of type MethodInfo, if no public methods are defined for the current Type.

GetMethods(BindingFlags)

When overridden in a derived class, searches for the methods defined for the current Type, using the specified binding constraints.

Declaration

public abstract MethodInfo[] GetMethods(BindingFlags bindingAttr)

Parameters

Type	Name	Description
BindingFlags	bindingAttr	A bitmask comprised of one or more BindingFlags that specify how the search is conducted or Zero, to return null.

Returns

Type	Description
MethodInfo[]	An array of MethodInfo objects representing all the public methods defined for the current Type. -or- An empty array of type MethodInfo, if no public methods are defined for the current Type.

GetType(string)

Gets the Type with the specified name, performing a case-sensitive search.

Declaration

public static Type GetType(string typeName)

Parameters

Type	Name	Description
string	typeName	The assembly-qualified name of the type to get. See AssemblyQualifiedName. If the type is in the currently executing assembly or in Mscorlib.dll, it is sufficient to supply the type name qualified by its namespace.

Returns

Type	Description
Type	The type with the specified name, if found; otherwise, null.

GetTypeFromHandle(RuntimeTypeHandle)

Gets the type referenced by the specified type handle.

Declaration

public static Type GetTypeFromHandle(RuntimeTypeHandle handle)

Parameters

Type	Name	Description
RuntimeTypeHandle	handle	The object that refers to the type.

Returns

Type	Description
Type	The type referenced by the specified RuntimeTypeHandle, or null if the Value property of handle is null.

InvokeMember(string, BindingFlags, Binder, object, object[])

Invokes the specified member, using the specified binding constraints and matching the specified argument list.

Declaration

public object InvokeMember(string name, BindingFlags invokeAttr, Binder binder, object target, object[] args)

Parameters

Type	Name	Description
string	name	The string containing the name of the constructor, method, property, or field member to invoke. -or- An empty string ("") to invoke the default member. -or- For IDispatch members, a string representing the DispID, for example "[DispID=3]".
BindingFlags	invokeAttr	A bitmask comprised of one or more BindingFlags that specify how the search is conducted. The access can be one of the BindingFlags such as Public, NonPublic, Private, InvokeMethod, GetField, and so on. The type of lookup need not be specified. If the type of lookup is omitted, BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static are used.
Binder	binder	An object that defines a set of properties and enables binding, which can involve selection of an overloaded method, coercion of argument types, and invocation of a member through reflection. -or- A null reference(Nothing in Visual Basic), to use the DefaultBinder.Note that explicitly defining a Binder object may be required for successfully invoking method overloads with variable arguments.
object	target	The object on which to invoke the specified member.
object[]	args	An array containing the arguments to pass to the member to invoke.

Returns

Type	Description
object	An object representing the return value of the invoked member.

IsInstanceOfType(object)

Determines whether the specified object is an instance of the current Type.

Declaration

public virtual bool IsInstanceOfType(object o)

Parameters

Type	Name	Description
object	o	The object to compare with the current type.

Returns

Type	Description
bool	true if the current Type is in the inheritance hierarchy of the object represented by o, or if the current Type is an interface that o implements. false if neither of these conditions is the case, if o is null, or if the current Type is an open generic type (that is, ContainsGenericParameters returns true).

IsSubclassOf(Type)

Determines whether the current Type derives from the specified Type.

Declaration

public virtual bool IsSubclassOf(Type c)

Parameters

Type	Name	Description
Type	c	The type to compare with the current type.

Returns

Type	Description
bool	true if the current Type derives from c; otherwise, false. This method also returns false if c and the current Type are equal.

ToString()

Returns a String representing the name of the current Type.

Declaration

public override string ToString()

Returns

Type	Description
string	A String representing the name of the current Type.

Overrides

object.ToString()

Implements

IReflect

Extension Methods

LogDispatcher.GetCurrentClassLogger(object)

LogDispatcher.GetCurrentClassLogger(object)

LogDispatcher.GetCurrentClassLogger(object)

LogDispatcher.GetCurrentClassLogger(object)

LogDispatcher.GetCurrentClassLogger(object)

LogDispatcher.GetCurrentClassLogger(object)

LogDispatcher.GetCurrentClassLogger(object)

LogDispatcher.GetCurrentClassLogger(object)

LogDispatcher.GetCurrentClassLogger(object)

LogDispatcher.GetCurrentClassLogger(object)