txtinfoshlext.h

Windows Shell扩展编程完全指南 3

// TxtInfoShlExt.h : Declaration of the CTxtInfoShlExt

#ifndef __TXTINFOSHLEXT_H_
#define __TXTINFOSHLEXT_H_

/////////////////////////////////////////////////////////////////////////////
// CTxtInfoShlExt

class ATL_NO_VTABLE CTxtInfoShlExt :
    public CComObjectRootEx<CComSingleThreadModel>,
    public CComCoClass<CTxtInfoShlExt, &CLSID_TxtInfoShlExt>,
    public IPersistFile,
    public IQueryInfo
{
public:
    CTxtInfoShlExt() { }

    BEGIN_COM_MAP(CTxtInfoShlExt)
        COM_INTERFACE_ENTRY(IPersistFile)
        COM_INTERFACE_ENTRY(IQueryInfo)
    END_COM_MAP()

    DECLARE_REGISTRY_RESOURCEID(IDR_TXTINFOSHLEXT)
    DECLARE_PROTECT_FINAL_CONSTRUCT()

public:
    // IPersistFile
    STDMETHODIMP GetClassID(LPCLSID)      { return E_NOTIMPL; }
    STDMETHODIMP IsDirty()                { return E_NOTIMPL; }
    STDMETHODIMP Load(LPCOLESTR, DWORD);
    STDMETHODIMP Save(LPCOLESTR, BOOL)    { return E_NOTIMPL; }
    STDMETHODIMP SaveCompleted(LPCOLESTR) { return E_NOTIMPL; }
    STDMETHODIMP GetCurFile(LPOLESTR*)    { return E_NOTIMPL; }

    // IQueryInfo
    STDMETHODIMP GetInfoFlags(DWORD*)     { return E_NOTIMPL; }
    STDMETHODIMP GetInfoTip(DWORD, LPWSTR*);

protected:
    CString m_sFilename;
};

#endif //__TXTINFOSHLEXT_H_