64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
#define DELAY_LOAD_HLINK
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struct Hlink
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{
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#ifdef DELAY_LOAD_HLINK
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#define DELAYHLINKAPI(_fn, _args, _nargs) \
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HRESULT _fn _args { \
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HRESULT hres = _Init(); \
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if (SUCCEEDED(hres)) \
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hres = _pfn##_fn _nargs; \
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return hres; } \
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HRESULT (STDAPICALLTYPE* _pfn##_fn) _args;
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HRESULT _Init(void);
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// _fInited must be the first member
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BOOL _fInited;
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HMODULE _hmod;
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#else
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#define DELAYHLINKAPI(_fn, _args, _nargs) \
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HRESULT _fn _args { return ::#_fn _nargs; }
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#endif
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DELAYHLINKAPI(CreateURLMoniker,
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(LPCWSTR pwsURL, IMoniker ** ppimk),
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(pwsURL, ppimk));
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DELAYHLINKAPI(HlinkParseDisplayName,
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(LPBC pbc, LPCOLESTR pozDisplayName, ULONG* pcchEaten, IMoniker** ppimk),
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(pbc, pozDisplayName, pcchEaten, ppimk));
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};
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#ifdef DELAY_LOAD_HLINK
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HRESULT Hlink::_Init(void)
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{
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if (_fInited) {
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return S_OK;
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}
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_fInited = TRUE;
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_hmod = LoadLibrary(TEXT("HLINKD.DLL"));
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if (!_hmod) {
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return E_UNEXPECTED;
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}
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#define CHECKAPI(_fn) \
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*(FARPROC*)&(_pfn##_fn) = GetProcAddress(_hmod, #_fn); \
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if (!(_pfn##_fn)) return E_UNEXPECTED;
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CHECKAPI(CreateURLMoniker);
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CHECKAPI(HlinkParseDisplayName);
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return S_OK;
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}
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#endif
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#ifdef DELAY_LOAD_HLINK
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Hlink g_hlinkdll = { FALSE } ;
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#else // DELAY_LOAD_HLINK
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Hlink g_hlinkdll;
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#endif // DELAY_LOAD_HLINK
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