SHELLEXT.H

// 
// The class ID of this Shell extension class. 
// 
// class id:  87b9bd00-c65c-11cd-a259-00dd010e8c28 
// 
// 
// NOTE!!!  If you use this shell extension as a starting point,  
//          you MUST change the GUID below.  Simply run UUIDGEN.EXE 
//          to generate a new GUID. 
// 
                                   
#define ODS(sz) OutputDebugString(sz) 
 
#ifndef _SHELLEXT_H 
#define _SHELLEXT_H 
 
DEFINE_GUID(CLSID_ShellExtension, 0x87b9bd00L, 0xc65c, 0x11cd, 0xa2, 0x59, 0x00, 0xdd, 0x01, 0x0e, 0x8c, 0x28 ); 
 
// this class factory object creates context menu handlers for Windows 95 shell 
class CShellExtClassFactory : public IClassFactory 
{ 
protected: 
ULONGm_cRef; 
 
public: 
CShellExtClassFactory(); 
~CShellExtClassFactory(); 
 
//IUnknown members 
STDMETHODIMPQueryInterface(REFIID, LPVOID FAR *); 
STDMETHODIMP_(ULONG)AddRef(); 
STDMETHODIMP_(ULONG)Release(); 
 
//IClassFactory members 
STDMETHODIMPCreateInstance(LPUNKNOWN, REFIID, LPVOID FAR *); 
STDMETHODIMPLockServer(BOOL); 
 
}; 
typedef CShellExtClassFactory *LPCSHELLEXTCLASSFACTORY; 
 
// this is the actual OLE Shell context menu handler 
class CShellExt : public IContextMenu,  
                         IShellExtInit,  
                         IExtractIcon,  
                         IPersistFile,  
                         IShellPropSheetExt, 
                         ICopyHook 
{ 
public: 
    char         m_szPropSheetFileUserClickedOn[MAX_PATH];  //This will be the same as 
                                                            //m_szFileUserClickedOn but I include 
                                                            //here for demonstration.  That is, 
                                                            //m_szFileUserClickedOn gets filled in 
                                                            //as a result of this sample supporting 
                                                            //the IExtractIcon and IPersistFile 
                                                            //interface.  If this sample *only* showed 
                                                            //a Property Sheet extesion, you would 
                                                            //need to use the method I do here to find 
                                                            //the filename the user clicked on. 
 
 
protected: 
ULONG        m_cRef; 
LPDATAOBJECT m_pDataObj; 
    char         m_szFileUserClickedOn[MAX_PATH]; 
 
STDMETHODIMP DoGAKMenu1(HWND hParent,  
                        LPCSTR pszWorkingDir,  
                        LPCSTR pszCmd, 
                            LPCSTR pszParam,  
                            int iShowCmd); 
 
STDMETHODIMP DoGAKMenu2(HWND hParent,  
                        LPCSTR pszWorkingDir,  
                        LPCSTR pszCmd, 
                            LPCSTR pszParam,  
                            int iShowCmd); 
 
STDMETHODIMP DoGAKMenu3(HWND hParent,  
                        LPCSTR pszWorkingDir,  
                        LPCSTR pszCmd, 
                            LPCSTR pszParam,  
                            int iShowCmd); 
 
STDMETHODIMP DoGAKMenu4(HWND hParent,  
                        LPCSTR pszWorkingDir,  
                        LPCSTR pszCmd, 
                            LPCSTR pszParam,  
                            int iShowCmd); 
public: 
CShellExt(); 
~CShellExt(); 
 
//IUnknown members 
STDMETHODIMPQueryInterface(REFIID, LPVOID FAR *); 
STDMETHODIMP_(ULONG)AddRef(); 
STDMETHODIMP_(ULONG)Release(); 
 
//IShell members 
STDMETHODIMPQueryContextMenu(HMENU hMenu, 
                                         UINT indexMenu,  
                                         UINT idCmdFirst, 
                                             UINT idCmdLast,  
                                             UINT uFlags); 
 
STDMETHODIMPInvokeCommand(LPCMINVOKECOMMANDINFO lpcmi); 
 
STDMETHODIMPGetCommandString(UINT idCmd,  
                                         UINT uFlags,  
                                         UINT FAR *reserved,  
                                             LPSTR pszName,  
                                             UINT cchMax); 
 
//IShellExtInit methods 
STDMETHODIMP    Initialize(LPCITEMIDLIST pIDFolder,  
                                   LPDATAOBJECT pDataObj,  
                                   HKEY hKeyID); 
 
    //IExtractIcon methods 
    STDMETHODIMP GetIconLocation(UINT   uFlags, 
                                 LPSTR  szIconFile, 
                                 UINT   cchMax, 
                                 int   *piIndex, 
                                 UINT  *pwFlags); 
 
    STDMETHODIMP Extract(LPCSTR pszFile, 
                         UINT   nIconIndex, 
                         HICON  *phiconLarge, 
                         HICON  *phiconSmall, 
                         UINT   nIconSize); 
 
    //IPersistFile methods 
    STDMETHODIMP GetClassID(LPCLSID lpClassID); 
 
    STDMETHODIMP IsDirty(); 
 
    STDMETHODIMP Load(LPCOLESTR lpszFileName, DWORD grfMode); 
 
    STDMETHODIMP Save(LPCOLESTR lpszFileName, BOOL fRemember); 
 
    STDMETHODIMP SaveCompleted(LPCOLESTR lpszFileName); 
 
    STDMETHODIMP GetCurFile(LPOLESTR FAR* lplpszFileName); 
 
    //IShellPropSheetExt methods 
    STDMETHODIMP AddPages(LPFNADDPROPSHEETPAGE lpfnAddPage, LPARAM lParam); 
     
    STDMETHODIMP ReplacePage(UINT uPageID,  
                             LPFNADDPROPSHEETPAGE lpfnReplaceWith,  
                             LPARAM lParam); 
 
    //ICopyHook method 
    STDMETHODIMP_(UINT) CopyCallback(HWND hwnd,  
                                     UINT wFunc,  
                                     UINT wFlags,  
                                     LPCSTR pszSrcFile,  
                                     DWORD dwSrcAttribs, 
                                     LPCSTR pszDestFile,  
                                     DWORD dwDestAttribs); 
 
}; 
typedef CShellExt *LPCSHELLEXT; 
 
#endif // _SHELLEXT_H