61 lines
2.4 KiB
C
61 lines
2.4 KiB
C
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// An IContextMenu on an array of context menus
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HRESULT Create_ContextMenuOnContextMenuArray(IContextMenu* rgpcm[], UINT cpcm, REFIID riid, void** ppv);
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// An IContextMenu on an existing HMENU
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// NOTE: always takes ownership of the HMENU (in success and failure)
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HRESULT Create_ContextMenuOnHMENU(HMENU hmenu, HWND hwndOwner, REFIID riid, void** ppv);
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// An IContextMenu on an existing IContextMenu, which removes the ';'-separated list of verbs from the resulting menu
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HRESULT Create_ContextMenuWithoutVerbs(IUnknown* punk, LPCWSTR pszVerbList, REFIID riid, void **ppv);
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// CContextMenuForwarder is designed as a base class that forwards all
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// context menu stuff to another IContextMenu implementation. You override
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// whatever functions you want to modify. (Like QueryContextMenu - delegate then modify the results)
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// For example, CContextMenuWithoutVerbs inherits from this class.
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//
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class CContextMenuForwarder : IContextMenu3, IObjectWithSite
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{
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public:
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// IUnknown
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STDMETHODIMP QueryInterface(REFIID riid, void **ppv);
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STDMETHODIMP_(ULONG) AddRef(void) ;
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STDMETHODIMP_(ULONG) Release(void);
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// IContextMenu3
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STDMETHODIMP QueryContextMenu(HMENU hmenu, UINT indexMenu,UINT idCmdFirst,UINT idCmdLast,UINT uFlags) { return _pcm->QueryContextMenu(hmenu,indexMenu,idCmdFirst,idCmdLast,uFlags); }
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STDMETHODIMP InvokeCommand(LPCMINVOKECOMMANDINFO lpici) { return _pcm->InvokeCommand(lpici); }
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STDMETHODIMP GetCommandString(UINT_PTR idCmd, UINT uType, UINT *pwReserved, LPSTR pszName, UINT cchMax) { return _pcm->GetCommandString(idCmd,uType,pwReserved,pszName,cchMax); }
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// IContextMenu2
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STDMETHODIMP HandleMenuMsg(UINT uMsg, WPARAM wParam, LPARAM lParam) { return _pcm2->HandleMenuMsg(uMsg,wParam,lParam); }
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// IContextMenu3
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STDMETHODIMP HandleMenuMsg2(UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *plResult) { return _pcm3->HandleMenuMsg2(uMsg,wParam,lParam,plResult); }
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// IObjectWithSite
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STDMETHOD(SetSite)(IUnknown *punkSite) { return _pows->SetSite(punkSite); }
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STDMETHOD(GetSite)(REFIID riid, void **ppvSite) { return _pows->GetSite(riid,ppvSite); }
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protected:
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CContextMenuForwarder(IUnknown* punk);
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virtual ~CContextMenuForwarder();
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private:
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LONG _cRef;
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protected:
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IUnknown* _punk;
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IObjectWithSite* _pows;
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IContextMenu* _pcm;
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IContextMenu2* _pcm2;
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IContextMenu3* _pcm3;
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} ;
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