Source code of Windows XP (NT5)
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#ifndef FASSOC_H
#define FASSOC_H
STDAPI RevertLegacyVerb(LPCWSTR pszExt, LPCWSTR pszVerb);
STDAPI RevertLegacyClass(LPCWSTR pszExt);
STDAPI OpenHandlerKeyForExtension(LPCWSTR pszExt, LPCWSTR pszHandler, HKEY *phk);
STDAPI SHAssocEnumHandlers(LPCTSTR pszExtra, IEnumAssocHandlers **ppEnumHandler);
STDAPI CTaskEnumHKCR_Create(IRunnableTask **pptask);
STDAPI GetHandlerForBinary(LPCWSTR pszPath, LPWSTR pszHandler, DWORD cchHandler);
typedef enum
{
UASET_CLEAR = 0,
UASET_APPLICATION,
UASET_PROGID,
} UASET;
STDAPI UserAssocSet(UASET set, LPCWSTR pszExt, LPCWSTR pszSet);
// helper class for using IAssocHandler
// consumed by both fsassoc.cpp and openwith.cpp
class CAppInfo
{
public:
CAppInfo(IAssocHandler *pah)
: _pah(pah), _iIcon(-1)
{
_pah->AddRef();
}
~CAppInfo()
{
if (_pszName)
CoTaskMemFree(_pszName);
if (_pszUIName)
CoTaskMemFree(_pszUIName);
_pah->Release();
}
BOOL Init()
{
return SUCCEEDED(_pah->GetName(&_pszName))
&& SUCCEEDED(_pah->GetUIName(&_pszUIName))
&& -1 != IconIndex();
}
IAssocHandler *Handler() { return _pah; }
LPCWSTR Name() { return _pszName;}
LPCWSTR UIName() { return _pszUIName;}
int IconIndex()
{
CSmartCoTaskMem<WCHAR> pszIcon;
int iIndex;
if (_iIcon == -1 && SUCCEEDED(_pah->GetIconLocation(&pszIcon, &iIndex)))
{
_iIcon = Shell_GetCachedImageIndex(pszIcon, iIndex, 0);
if (-1 == _iIcon)
{
_iIcon = Shell_GetCachedImageIndex(c_szShell32Dll, II_APPLICATION, 0);
}
}
return _iIcon;
}
protected:
IAssocHandler *_pah;
LPWSTR _pszName;
LPWSTR _pszUIName;
int _iIcon;
};
#endif //FASSOC_H