basicenum.h

来自「这是ATL电子书的随书代码」· C头文件 代码 · 共 50 行

// BasicEnum.h : Declaration of the CBasicEnum

#ifndef __BASICENUM_H_
#define __BASICENUM_H_

#include "resource.h"       // main symbols

#include <vector>

/////////////////////////////////////////////////////////////////////////////
// CBasicEnum
class ATL_NO_VTABLE CBasicEnum : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CComCoClass<CBasicEnum, &CLSID_BasicEnum>,
	public ISupportErrorInfo,
   public IBasicEnum
{
public:
	CBasicEnum()
	{
      // Put some items in the vector
      m_vecStrings.push_back( L"StringOne" );
      m_vecStrings.push_back( L"StringTwo" );
      m_vecStrings.push_back( L"StringThree" );
      m_vecStrings.push_back( L"StringFour" );
      m_vecStrings.push_back( L"StringFive" );
   }

DECLARE_REGISTRY_RESOURCEID(IDR_BASICENUM)

DECLARE_PROTECT_FINAL_CONSTRUCT()

BEGIN_COM_MAP(CBasicEnum)
	COM_INTERFACE_ENTRY(IBasicEnum)
	COM_INTERFACE_ENTRY(ISupportErrorInfo)
END_COM_MAP()

// ISupportsErrorInfo
	STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid);

// IBasicEnum
public:
	STDMETHOD(get_Enum)(/*[out, retval]*/ IEnumString  **ppVal);

private:
   std::vector<LPOLESTR> m_vecStrings;
};

#endif //__BASICENUM_H_