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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 enum MethodAttributes

Member nameDescription
Supported by the XNA FrameworkSupported by Portable Class LibraryAbstractIndicates that the class does not provide an implementation of this method.
Supported by the XNA FrameworkSupported by Portable Class LibraryAssemblyIndicates that the method is accessible to any class of this assembly.
Supported by Portable Class LibraryCheckAccessOnOverrideIndicates that the method can only be overridden when it is also accessible.
Supported by the XNA FrameworkSupported by Portable Class LibraryFamANDAssemIndicates that the method is accessible to members of this type and its derived types that are in this assembly only.
Supported by the XNA FrameworkSupported by Portable Class LibraryFamilyIndicates that the method is accessible only to members of this class and its derived classes.
Supported by the XNA FrameworkSupported by Portable Class LibraryFamORAssemIndicates that the method is accessible to derived classes anywhere, as well as to any class in the assembly.
Supported by the XNA FrameworkSupported by Portable Class LibraryFinalIndicates that the method cannot be overridden.
Supported by the XNA FrameworkSupported by Portable Class LibraryHasSecurityIndicates that the method has security associated with it. Reserved flag for runtime use only.
Supported by the XNA FrameworkSupported by Portable Class LibraryHideBySigIndicates that the method hides by name and signature; otherwise, by name only.
Supported by the XNA FrameworkSupported by Portable Class LibraryMemberAccessMaskRetrieves accessibility information.
Supported by the XNA FrameworkSupported by Portable Class LibraryNewSlotIndicates that the method always gets a new slot in the vtable.
Supported by the XNA FrameworkSupported by Portable Class LibraryPinvokeImplIndicates that the method implementation is forwarded through PInvoke (Platform Invocation Services).
Supported by the XNA FrameworkSupported by Portable Class LibraryPrivateIndicates that the method is accessible only to the current class.
Supported by the XNA FrameworkSupported by Portable Class LibraryPrivateScopeIndicates that the member cannot be referenced.
Supported by the XNA FrameworkSupported by Portable Class LibraryPublicIndicates that the method is accessible to any object for which this object is in scope.
Supported by the XNA FrameworkSupported by Portable Class LibraryRequireSecObjectIndicates that the method calls another method containing security code. Reserved flag for runtime use only.
Supported by the XNA FrameworkReservedMaskIndicates a reserved flag for runtime use only.
Supported by the XNA FrameworkSupported by Portable Class LibraryReuseSlotIndicates that the method will reuse an existing slot in the vtable. This is the default behavior.
Supported by the XNA FrameworkSupported by Portable Class LibraryRTSpecialNameIndicates that the common language runtime checks the name encoding.
Supported by the XNA FrameworkSupported by Portable Class LibrarySpecialNameIndicates that the method is special. The name describes how this method is special.
Supported by the XNA FrameworkSupported by Portable Class LibraryStaticIndicates that the method is defined on the type; otherwise, it is defined per instance.
Supported by the XNA FrameworkSupported by Portable Class LibraryUnmanagedExportIndicates that the managed method is exported by thunk to unmanaged code.
Supported by the XNA FrameworkSupported by Portable Class LibraryVirtualIndicates that the method is virtual.
Supported by the XNA FrameworkVtableLayoutMaskRetrieves vtable attributes.

The following example displays the attributes of the specified method.

using System;
using System.Reflection;

class AttributesSample
{
    public void Mymethod (int int1m, out string str2m, ref string str3m)
    {
        str2m = "in Mymethod";
    }

    public static int Main(string[] args)
    {      
        Console.WriteLine ("Reflection.MethodBase.Attributes Sample");

        // Get the type of the chosen class.
        Type MyType = Type.GetType("AttributesSample");

        // Get the method Mymethod on the type.
        MethodBase Mymethodbase = MyType.GetMethod("Mymethod");

        // Display the method name and signature.
        Console.WriteLine("Mymethodbase = " + Mymethodbase);

        // Get the MethodAttribute enumerated value.
        MethodAttributes Myattributes = Mymethodbase.Attributes;

        // Display the flags that are set.
        PrintAttributes(typeof(System.Reflection.MethodAttributes), (int) Myattributes);
        return 0;
    }


    public static void PrintAttributes(Type attribType, int iAttribValue)
    {
        if (!attribType.IsEnum) {Console.WriteLine("This type is not an enum."); return;}

        FieldInfo[] fields = attribType.GetFields(BindingFlags.Public | BindingFlags.Static);
        for (int i = 0; i < fields.Length; i++)
        {
            int fieldvalue = (Int32)fields[i].GetValue(null);
            if ((fieldvalue & iAttribValue) == fieldvalue)
            {
                Console.WriteLine(fields[i].Name);
            }
        }
    }
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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