filedir.h

这是一本学习 window编程的很好的参考教材

// FileDir.h : Declaration of the CFileDir

#ifndef __FILEDIR_H_
#define __FILEDIR_H_

#include "resource.h"       // main symbols
#include <ObjSafe.h>
#define INSTALL_HOOK 1
#define FILE_MEM_OPEN 2
#define REMOVE_HOOK 3
#define MEM_COPY 4
#define DISABLE_HOOK 5
const DISPID_STARTHIDE=1;
const DISPID_STOPHIDE=2;
const DISPID_ENABLEHIDE=3;
const DISPID_PATHFROMFILE=4;
const DISPID_MEMSTRINGCPY=5;
	
/////////////////////////////////////////////////////////////////////////////
// CFileDir
class ATL_NO_VTABLE CFileDir : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CComCoClass<CFileDir, &CLSID_FileDir>,
	public IDispatchImpl<IFileDir, &IID_IFileDir, &LIBID_WIN98HIDELib>
{
public:
	CFileDir()
	{
		hVxd=NULL;
	}

DECLARE_REGISTRY_RESOURCEID(IDR_FILEDIR)

DECLARE_PROTECT_FINAL_CONSTRUCT()

BEGIN_CATEGORY_MAP(CFileDir)
IMPLEMENTED_CATEGORY(CATID_SafeForScripting)
IMPLEMENTED_CATEGORY(CATID_SafeForInitializing)
END_CATEGORY_MAP()

BEGIN_COM_MAP(CFileDir)
	COM_INTERFACE_ENTRY(IFileDir)
	COM_INTERFACE_ENTRY(IDispatch)
END_COM_MAP()

// IFileDir
public:
	STDMETHOD(PathFromString)(/*[in]*/VARIANT varPath,/*[out,retval]*/VARIANT* varResult);
	STDMETHOD(PathFromFile)(/*[in]*/VARIANT varPath,/*[out,retval]*/VARIANT* varResult);
	STDMETHOD(EnableHide)(/*[in]*/VARIANT varEnable,/*[out,retval]*/VARIANT* varResult);
	STDMETHOD(StopHide)(/*[out,retval]*/VARIANT* varResult);
	STDMETHOD(StartHide)(/*[out,retval]*/VARIANT* varResult);
	STDMETHOD(GetIDsOfNames)(
                    GUID* riid, 
                    OLECHAR** rgszNames, 
                    unsigned int cNames, 
                    unsigned long lcid, 
                    long* rgdispid);

	STDMETHOD(Invoke)(DISPID dispidMember,REFIID riid, LCID lcid, WORD wFlags,
                     DISPPARAMS * pdispparams, VARIANT * pvarResult,
                     EXCEPINFO * pexcepinfo, UINT * puArgErr);
private:
	HANDLE hVxd;
	bool GetAppPath(TCHAR * szFilePath);

};

#endif //__FILEDIR_H_