MethodAttributes Enumeration

 

Specifies flags for method attributes. These flags are defined in the corhdr.h file.

This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.

Namespace:   System.Reflection
Assembly:  mscorlib (in mscorlib.dll)

<SerializableAttribute>
<FlagsAttribute>
<ComVisibleAttribute(True)>
Public Enumeration MethodAttributes

Member nameDescription
Abstract

Indicates that the class does not provide an implementation of this method.

Assembly

Indicates that the method is accessible to any class of this assembly.

CheckAccessOnOverride

Indicates that the method can only be overridden when it is also accessible.

FamANDAssem

Indicates that the method is accessible to members of this type and its derived types that are in this assembly only.

Family

Indicates that the method is accessible only to members of this class and its derived classes.

FamORAssem

Indicates that the method is accessible to derived classes anywhere, as well as to any class in the assembly.

Final

Indicates that the method cannot be overridden.

HasSecurity

Indicates that the method has security associated with it. Reserved flag for runtime use only.

HideBySig

Indicates that the method hides by name and signature; otherwise, by name only.

MemberAccessMask

Retrieves accessibility information.

NewSlot

Indicates that the method always gets a new slot in the vtable.

PinvokeImpl

Indicates that the method implementation is forwarded through PInvoke (Platform Invocation Services).

Private

Indicates that the method is accessible only to the current class.

PrivateScope

Indicates that the member cannot be referenced.

Public

Indicates that the method is accessible to any object for which this object is in scope.

RequireSecObject

Indicates that the method calls another method containing security code. Reserved flag for runtime use only.

ReservedMask

Indicates a reserved flag for runtime use only.

ReuseSlot

Indicates that the method will reuse an existing slot in the vtable. This is the default behavior.

RTSpecialName

Indicates that the common language runtime checks the name encoding.

SpecialName

Indicates that the method is special. The name describes how this method is special.

Static

Indicates that the method is defined on the type; otherwise, it is defined per instance.

UnmanagedExport

Indicates that the managed method is exported by thunk to unmanaged code.

Virtual

Indicates that the method is virtual.

VtableLayoutMask

Retrieves vtable attributes.

The following example displays the attributes of the specified method.

Imports System
Imports System.Reflection
Imports Microsoft.VisualBasic

Class AttributesSample

    Public Sub Mymethod(ByVal int1m As Integer, ByRef str2m As String, ByRef str3m As String)
        str2m = "in Mymethod"
    End Sub 'Mymethod


    Public Shared Function Main(ByVal args() As String) As Integer
        Console.WriteLine("Reflection.MethodBase.Attributes Sample")

        ' Get the type of a chosen class.
        Dim MyType As Type = Type.GetType("AttributesSample")

        ' Get the method Mymethod on the type.
        Dim Mymethodbase As MethodBase = MyType.GetMethod("Mymethod")

        ' Display the method name and signature.
        Console.WriteLine("Mymethodbase = {0}", Mymethodbase)

        ' Get the MethodAttribute enumerated value.
        Dim Myattributes As MethodAttributes = Mymethodbase.Attributes

        ' Display the flags that are set.
        PrintAttributes(GetType(System.Reflection.MethodAttributes), CInt(Myattributes))
        Return 0
    End Function 'Main

    Public Shared Sub PrintAttributes(ByVal attribType As Type, ByVal iAttribValue As Integer)
        If Not attribType.IsEnum Then
            Console.WriteLine("This type is not an enum.")
            Return
        End If
        Dim fields As FieldInfo() = attribType.GetFields((BindingFlags.Public Or BindingFlags.Static))
        Dim i As Integer
        For i = 0 To fields.Length - 1
            Dim fieldvalue As Integer = CType(fields(i).GetValue(Nothing), Int32)
            If (fieldvalue And iAttribValue) = fieldvalue Then
                Console.WriteLine(fields(i).Name)
            End If
        Next i
    End Sub 'PrintAttributes
End Class 'AttributesSample

Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Return to top
Show: