ContractVersionAttribute 类

定义

命名空间:

Windows.Foundation.Metadata

指示 API 协定的版本。

public ref class ContractVersionAttribute sealed : Attribute

/// [Windows.Foundation.Metadata.AllowMultiple]
/// [Windows.Foundation.Metadata.AttributeUsage(System.AttributeTargets.Delegate | System.AttributeTargets.Enum | System.AttributeTargets.Event | System.AttributeTargets.Field | System.AttributeTargets.Interface | System.AttributeTargets.InterfaceImpl | System.AttributeTargets.Method | System.AttributeTargets.Property | System.AttributeTargets.RuntimeClass | System.AttributeTargets.Struct)]
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.FoundationContract, 65536)]
class ContractVersionAttribute final : Attribute

[Windows.Foundation.Metadata.AllowMultiple]
[Windows.Foundation.Metadata.AttributeUsage(System.AttributeTargets.Delegate | System.AttributeTargets.Enum | System.AttributeTargets.Event | System.AttributeTargets.Field | System.AttributeTargets.Interface | System.AttributeTargets.InterfaceImpl | System.AttributeTargets.Method | System.AttributeTargets.Property | System.AttributeTargets.RuntimeClass | System.AttributeTargets.Struct)]
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.FoundationContract), 65536)]
public sealed class ContractVersionAttribute : Attribute

function ContractVersionAttribute(contract, version)

Public NotInheritable Class ContractVersionAttribute
Inherits Attribute

继承

Attribute

ContractVersionAttribute

属性

AllowMultipleAttribute AttributeUsageAttribute ContractVersionAttribute

Windows 要求

设备系列	Windows 10 (在 10.0.10240.0 中引入)
API contract	Windows.Foundation.FoundationContract (在 v1.0 中引入)

构造函数

ContractVersionAttribute(String, UInt32)	创建并初始化 特性的新实例。
ContractVersionAttribute(Type, UInt32)	创建并初始化 特性的新实例。
ContractVersionAttribute(UInt32)	创建并初始化 特性的新实例。