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Callback 函式 (Windows 執行階段 C++ 樣板程式庫)

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建立成員函式是回呼方法的物件。

template<
   typename TDelegateInterface,
   typename TCallback
>
ComPtr<TDelegateInterface> Callback(
   TCallbackcallback
);
template<
   typename TDelegateInterface,
   typename TCallbackObject
>
ComPtr<TDelegateInterface> Callback(
   _In_ TCallbackObject *object,
   _In_ HRESULT (TCallbackObject::* method)()
);
template<
   typename TDelegateInterface,
   typename TCallbackObject,
   typename TArg1
>
ComPtr<TDelegateInterface> Callback(
   _In_ TCallbackObject *object,
   _In_ HRESULT (TCallbackObject::* method)(TArg1)
);
template<
   typename TDelegateInterface,
   typename TCallbackObject,
   typename TArg1,
   typename TArg2
>
ComPtr<TDelegateInterface> Callback(
   _In_ TCallbackObject *object,
   _In_ HRESULT (TCallbackObject::* method)(TArg1,
   TArg2)
);
template<
   typename TDelegateInterface,
   typename TCallbackObject,
   typename TArg1,
   typename TArg2,
   typename TArg3
>
ComPtr<TDelegateInterface> Callback(
   _In_ TCallbackObject *object,
   _In_ HRESULT (TCallbackObject::* method)(TArg1,
   TArg2,
   TArg3)
);
template<
   typename TDelegateInterface,
   typename TCallbackObject,
   typename TArg1,
   typename TArg2,
   typename TArg3,
   typename TArg4
>
ComPtr<TDelegateInterface> Callback(
   _In_ TCallbackObject *object,
   _In_ HRESULT (TCallbackObject::* method)(TArg1,
   TArg2,
   TArg3,
   TArg4)
);
template<
   typename TDelegateInterface,
   typename TCallbackObject,
   typename TArg1,
   typename TArg2,
   typename TArg3,
   typename TArg4,
   typename TArg5
>
ComPtr<TDelegateInterface> Callback(
   _In_ TCallbackObject *object,
   _In_ HRESULT (TCallbackObject::* method)(TArg1,
   TArg2,
   TArg3,
   TArg4,
   TArg5)
);
template<
   typename TDelegateInterface,
   typename TCallbackObject,
   typename TArg1,
   typename TArg2,
   typename TArg3,
   typename TArg4,
   typename TArg5,
   typename TArg6
>
ComPtr<TDelegateInterface> Callback(
   _In_ TCallbackObject *object,
   _In_ HRESULT (TCallbackObject::* method)(TArg1,
   TArg2,
   TArg3,
   TArg4,
   TArg5,
   TArg6)
);
template<
   typename TDelegateInterface,
   typename TCallbackObject,
   typename TArg1,
   typename TArg2,
   typename TArg3,
   typename TArg4,
   typename TArg5,
   typename TArg6,
   typename TArg7
>
ComPtr<TDelegateInterface> Callback(
   _In_ TCallbackObject *object,
   _In_ HRESULT (TCallbackObject::* method)(TArg1,
   TArg2,
   TArg3,
   TArg4,
   TArg5,
   TArg6,
   TArg7)
);
template<
   typename TDelegateInterface,
   typename TCallbackObject,
   typename TArg1,
   typename TArg2,
   typename TArg3,
   typename TArg4,
   typename TArg5,
   typename TArg6,
   typename TArg7,
   typename TArg8
>
ComPtr<TDelegateInterface> Callback(
   _In_ TCallbackObject *object,
   _In_ HRESULT (TCallbackObject::* method)(TArg1,
   TArg2,
   TArg3,
   TArg4,
   TArg5,
   TArg6,
   TArg7,
   TArg8)
);
template<
   typename TDelegateInterface,
   typename TCallbackObject,
   typename TArg1,
   typename TArg2,
   typename TArg3,
   typename TArg4,
   typename TArg5,
   typename TArg6,
   typename TArg7,
   typename TArg8,
   typename TArg9
>
ComPtr<TDelegateInterface> Callback(
   _In_ TCallbackObject *object,
   _In_ HRESULT (TCallbackObject::* method)(TArg1,
   TArg2,
   TArg3,
   TArg4,
   TArg5,
   TArg6,
   TArg7,
   TArg8,
   TArg9)
);

參數

  • TDelegateInterface
    樣板參數，指定當事件發生時要呼叫之委派的介面。

  • TCallback
    樣板參數，指定代表物件及其回呼成員函式的物件型別。

  • TCallbackObject
    樣板參數，指定事件發生時成員函式為呼叫之方法的物件。

  • TArg1
    樣板參數，指定第一個回呼方法引數的型別。

  • TArg2
    樣板參數，指定第二個回呼方法引數的型別。

  • TArg3
    樣板參數，指定第三個回呼方法引數的型別。

  • TArg4
    樣板參數，指定第四個回呼方法引數的型別。

  • TArg5
    樣板參數，指定第五個回呼方法引數的型別。

  • TArg6
    樣板參數，指定第六個回呼方法引數的型別。

  • TArg7
    樣板參數，指定第七個回呼方法引數的型別。

  • TArg8
    樣板參數，指定第八個回呼方法引數的型別。

  • TArg9
    樣板參數，指定第九個回呼方法引數的型別。

  • callback
    表示回呼物件及其成員函式的物件。

  • object
    當事件發生時呼叫之成員函式的物件。

  • method
    當事件發生時呼叫的成員函式。

傳回值

成員函式是指定之回呼方法的物件。

備註

委派物件的基底必須是 IUnknown，而不是 IInspectable。

需求

**標頭：**event.h

**命名空間：**Microsoft::WRL

請參閱

參考

Microsoft::WRL 命名空間