shellext.h

加密技术VC++

#ifndef SHELLEXTDEFSH
#define SHELLEXTDEFSH

// this class factory object creates context menu handlers for Windows shell
class CShellExtClassFactory : public IClassFactory
{
protected:
	ULONG        m_cRef;


public:
	CShellExtClassFactory();
	~CShellExtClassFactory();

	//IUnknown members
	STDMETHODIMP			QueryInterface(REFIID, LPVOID FAR *);
	STDMETHODIMP_(ULONG)	AddRef();
	STDMETHODIMP_(ULONG)	Release();

	//IClassFactory members
	STDMETHODIMP		CreateInstance(LPUNKNOWN, REFIID, LPVOID FAR *);
	STDMETHODIMP		LockServer(BOOL);

};
typedef CShellExtClassFactory *LPCSHELLEXTCLASSFACTORY;

// this is the actual OLE Shell context menu handler
class CShellExt : public IContextMenu, IShellExtInit
{
public:
  

protected:
	ULONG			m_cRef;
	LPDATAOBJECT	m_pDataObj;

	// CShellExt::Initialize fills this with the paths to the
	// files that were selected when the user chose our menu item.
	CStringArray	m_csaPaths;

	// our menu bitmap
	CBitmap			m_menuBmp;
	//////////////////////////////////////////////////////////////////

protected:

public:
	// generic shell ext functions
	CShellExt();
	~CShellExt();

	//IUnknown members
	STDMETHODIMP			QueryInterface(REFIID, LPVOID FAR *);
	STDMETHODIMP_(ULONG)	AddRef();
	STDMETHODIMP_(ULONG)	Release();

	//IShellExtInit methods
	STDMETHODIMP		    Initialize(LPCITEMIDLIST pIDFolder, 
                                          LPDATAOBJECT pDataObj, 
                                          HKEY hKeyID);

	//IShell members

	//////////////////////////////////////////////////////////////
	//
	// These are the only functions you really need to modify. They
	// are all in ShellCtxMenu.cpp

	//
	// called to get menu item strings for Explorer
	//
	STDMETHODIMP			QueryContextMenu(HMENU hMenu,
                                          UINT indexMenu, 
                                          UINT idCmdFirst,
                                          UINT idCmdLast, 
                                          UINT uFlags);
	//
	// called after a menu item has been selected
	//
	STDMETHODIMP			InvokeCommand(LPCMINVOKECOMMANDINFO lpcmi);

	//
	// fetch various strings for Explorer
	//
	STDMETHODIMP			GetCommandString(UINT idCmd, 
                                          UINT uFlags, 
                                          UINT FAR *reserved, 
                                          LPSTR pszName, 
                                          UINT cchMax);

	//
	//
	//////////////////////////////////////////////////////////////
   
};
typedef CShellExt *LPCSHELLEXT;


#endif