TypeLibFuncAttribute TypeLibFuncAttribute TypeLibFuncAttribute TypeLibFuncAttribute Class

定义

包含最初从 COM 类型库为此方法导入的 FUNCFLAGSContains the FUNCFLAGS that were originally imported for this method from the COM type library.

public ref class TypeLibFuncAttribute sealed : Attribute
[System.AttributeUsage(System.AttributeTargets.Method, Inherited=false)]
[System.Runtime.InteropServices.ComVisible(true)]
public sealed class TypeLibFuncAttribute : Attribute
type TypeLibFuncAttribute = class
    inherit Attribute
Public NotInheritable Class TypeLibFuncAttribute
Inherits Attribute
继承
TypeLibFuncAttributeTypeLibFuncAttributeTypeLibFuncAttributeTypeLibFuncAttribute
属性

示例

下面的示例演示如何获取TypeLibFuncAttribute方法值。The following example demonstrates how to get the TypeLibFuncAttribute value of a method.

using namespace System;
using namespace System::Reflection;
using namespace System::Runtime::InteropServices;

ref class ClassC
{
private:
   static bool IsHiddenMethod( MethodInfo^ mi )
   {
      array<Object^>^MethodAttributes = mi->GetCustomAttributes( TypeLibFuncAttribute::typeid, true );
      if ( MethodAttributes->Length > 0 )
      {
         TypeLibFuncAttribute^ tlf = dynamic_cast<TypeLibFuncAttribute^>(MethodAttributes[ 0 ]);
         TypeLibFuncFlags flags = tlf->Value;
         return (flags & TypeLibFuncFlags::FHidden) != (TypeLibFuncFlags)0;
      }

      return false;
   }
};

using System;
using System.Reflection;
using System.Runtime.InteropServices;

namespace C
{
	class ClassC	
	{
		public static bool IsHiddenMethod( MethodInfo mi )
		{
			object[] MethodAttributes = mi.GetCustomAttributes( typeof( TypeLibFuncAttribute ), true);
		
			if( MethodAttributes.Length > 0 )
			{
				TypeLibFuncAttribute tlf = ( TypeLibFuncAttribute )MethodAttributes[0];
				TypeLibFuncFlags  flags = tlf.Value;
				return ( flags & TypeLibFuncFlags.FHidden ) != 0; 
			}
			return false;
		}
	}
}
Imports System
Imports System.Reflection
Imports System.Runtime.InteropServices

Module C
	Public Function IsHiddenMethod(ByVal mi As MethodInfo) As Boolean
		Dim MethodAttributes As Object() = mi.GetCustomAttributes(GetType(TypeLibFuncAttribute), True)

		If MethodAttributes.Length > 0 Then
			Dim tlf As TypeLibFuncAttribute = MethodAttributes(0)
			Dim flags As TypeLibFuncFlags = tlf.Value
			Return (flags & TypeLibFuncFlags.FHidden) > 0
		End If
		Return False
	End Function
End Module

注解

Tlbimp.exe (类型库导入程序)将此属性应用到方法。The Tlbimp.exe (Type Library Importer) applies this attribute to methods.

当类型库导入,应永远不会更改时应用此特性。This attribute is applied when a type library is imported and should never be changed. 它是应用的时,才方法的FUNCFLAGS的计算结果为非零值。It is only applied when the method's FUNCFLAGS evaluate to non zero. 该属性旨在供需要了解的工具如何原始FUNCFLAGS设置。The attribute is designed to be used by tools that need to know how the original FUNCFLAGS were set. 公共语言运行时不使用此属性。The common language runtime does not use this attribute.

构造函数

TypeLibFuncAttribute(Int16) TypeLibFuncAttribute(Int16) TypeLibFuncAttribute(Int16) TypeLibFuncAttribute(Int16)

使用指定的 TypeLibFuncFlags 值初始化 TypeLibFuncAttribute 类的新实例。Initializes a new instance of the TypeLibFuncAttribute class with the specified TypeLibFuncFlags value.

TypeLibFuncAttribute(TypeLibFuncFlags) TypeLibFuncAttribute(TypeLibFuncFlags) TypeLibFuncAttribute(TypeLibFuncFlags) TypeLibFuncAttribute(TypeLibFuncFlags)

使用指定的 TypeLibFuncFlags 值初始化 TypeLibFuncAttribute 类的新实例。Initializes a new instance of the TypeLibFuncAttribute class with the specified TypeLibFuncFlags value.

属性

TypeId TypeId TypeId TypeId

在派生类中实现时,获取此 Attribute 的唯一标识符。When implemented in a derived class, gets a unique identifier for this Attribute.

(Inherited from Attribute)
Value Value Value Value

获取该方法的 TypeLibFuncFlags 值。Gets the TypeLibFuncFlags value for this method.

方法

Equals(Object) Equals(Object) Equals(Object) Equals(Object)

返回一个值,该值指示此实例是否与指定的对象相等。Returns a value that indicates whether this instance is equal to a specified object.

(Inherited from Attribute)
GetHashCode() GetHashCode() GetHashCode() GetHashCode()

返回此实例的哈希代码。Returns the hash code for this instance.

(Inherited from Attribute)
GetType() GetType() GetType() GetType()

获取当前实例的 TypeGets the Type of the current instance.

(Inherited from Object)
IsDefaultAttribute() IsDefaultAttribute() IsDefaultAttribute() IsDefaultAttribute()

在派生类中重写时,指示此实例的值是否是派生类的默认值。When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class.

(Inherited from Attribute)
Match(Object) Match(Object) Match(Object) Match(Object)

当在派生类中重写时,返回一个指示此实例是否等于指定对象的值。When overridden in a derived class, returns a value that indicates whether this instance equals a specified object.

(Inherited from Attribute)
MemberwiseClone() MemberwiseClone() MemberwiseClone() MemberwiseClone()

创建当前 Object 的浅表副本。Creates a shallow copy of the current Object.

(Inherited from Object)
ToString() ToString() ToString() ToString()

返回表示当前对象的字符串。Returns a string that represents the current object.

(Inherited from Object)

显式界面实现

_Attribute.GetIDsOfNames(Guid, IntPtr, UInt32, UInt32, IntPtr) _Attribute.GetIDsOfNames(Guid, IntPtr, UInt32, UInt32, IntPtr) _Attribute.GetIDsOfNames(Guid, IntPtr, UInt32, UInt32, IntPtr) _Attribute.GetIDsOfNames(Guid, IntPtr, UInt32, UInt32, IntPtr)

将一组名称映射为对应的一组调度标识符。Maps a set of names to a corresponding set of dispatch identifiers.

(Inherited from Attribute)
_Attribute.GetTypeInfo(UInt32, UInt32, IntPtr) _Attribute.GetTypeInfo(UInt32, UInt32, IntPtr) _Attribute.GetTypeInfo(UInt32, UInt32, IntPtr) _Attribute.GetTypeInfo(UInt32, UInt32, IntPtr)

检索对象的类型信息,然后可以使用该信息获取接口的类型信息。Retrieves the type information for an object, which can be used to get the type information for an interface.

(Inherited from Attribute)
_Attribute.GetTypeInfoCount(UInt32) _Attribute.GetTypeInfoCount(UInt32) _Attribute.GetTypeInfoCount(UInt32) _Attribute.GetTypeInfoCount(UInt32)

检索对象提供的类型信息接口的数量(0 或 1)。Retrieves the number of type information interfaces that an object provides (either 0 or 1).

(Inherited from Attribute)
_Attribute.Invoke(UInt32, Guid, UInt32, Int16, IntPtr, IntPtr, IntPtr, IntPtr) _Attribute.Invoke(UInt32, Guid, UInt32, Int16, IntPtr, IntPtr, IntPtr, IntPtr) _Attribute.Invoke(UInt32, Guid, UInt32, Int16, IntPtr, IntPtr, IntPtr, IntPtr) _Attribute.Invoke(UInt32, Guid, UInt32, Int16, IntPtr, IntPtr, IntPtr, IntPtr)

提供对某一对象公开的属性和方法的访问。Provides access to properties and methods exposed by an object.

(Inherited from Attribute)

适用于

另请参阅