iehlprobj.h

Visual C++网络通信编程实用案例精逊配套源码 光盘中存放的是书中涉及的所有实例的源代码和经过编译后的应用程序。所有程序均经过测试

// IEHlprObj.h : Declaration of the CIEHlprObj

#ifndef __IEHLPROBJ_H_
#define __IEHLPROBJ_H_

#include "resource.h"       // main symbols
#include "ExDisp.h"

/////////////////////////////////////////////////////////////////////////////
// CIEHlprObj
class ATL_NO_VTABLE CIEHlprObj : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CComCoClass<CIEHlprObj, &CLSID_IEHlprObj>,
	public IObjectWithSiteImpl<CIEHlprObj>,
	public IDispatchImpl<IIEHlprObj, &IID_IIEHlprObj, &LIBID_IEHELPERLib>
{
public:
   DECLARE_REGISTRY_RESOURCEID(IDR_IEHLPROBJ)
   DECLARE_NOT_AGGREGATABLE(CIEHlprObj)

   BEGIN_COM_MAP(CIEHlprObj)
	   COM_INTERFACE_ENTRY(IIEHlprObj)
	   COM_INTERFACE_ENTRY(IDispatch)
   	   COM_INTERFACE_ENTRY_IMPL(IObjectWithSite)
   END_COM_MAP()

// IIEHlprObj
public:
   //
   // CIEHlprObj Methods
   //
   CIEHlprObj() {}
   ~CIEHlprObj();

   //
   // IDispatch Methods
   //
   STDMETHOD(Invoke)(DISPID dispidMember,REFIID riid, LCID lcid, WORD wFlags,
                     DISPPARAMS * pdispparams, VARIANT * pvarResult,
                     EXCEPINFO * pexcepinfo, UINT * puArgErr);

   //
   // IOleObjectWithSite Methods
   //
	STDMETHOD(SetSite)(IUnknown *pUnkSite);

private:

   DWORD m_dwCookie;   // Connection Token - used for Advise and Unadvise
   CComQIPtr<IWebBrowser2, &IID_IWebBrowser2> m_spWebBrowser2;
   enum ConnectType { Advise, Unadvise };   // What to do when managing the connection

   BOOL ManageConnection(enum ConnectType eConnectType);
};

#endif //__IEHLPROBJ_H_