42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
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//
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// util.cpp
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//
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typedef struct tagGETDCSTATE {
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IOleInPlaceSiteWindowless *pipsw; // If we got the DC from an interface
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HWND hwnd; // If we got the DC from a window
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} GETDCSTATE, *PGETDCSTATE;
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STDAPI_(HDC) IUnknown_GetDC(IUnknown *punk, LPCRECT prc, PGETDCSTATE pdcs);
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STDAPI_(void) IUnknown_ReleaseDC(HDC hdc, PGETDCSTATE pdcs);
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DWORD FormatMessageWrapW(DWORD dwFlags, LPCVOID lpSource, DWORD dwMessageID, DWORD dwLangID, LPWSTR pwzBuffer, DWORD cchSize, ...);
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EXTERN_C int WINAPIV wsprintfWrapW(
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OUT LPWSTR pwszOut,
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IN LPCWSTR pwszFormat,
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...);
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//---------------------------------------------------------------------------
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// For manipulating BSTRs without using SysAllocString
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template<int n> class STATIC_BSTR {
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public:
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ULONG _cb;
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WCHAR _wsz[n];
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// Remove const-ness because VARIANTs don't have "const BSTR"
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operator LPWSTR() { return _wsz; }
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void SetSize() { _cb = lstrlenW(_wsz) * sizeof(WCHAR); }
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int inline const MaxSize() { return n; }
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};
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#define MAKE_CONST_BSTR(name, str) \
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STATIC_BSTR<sizeof(str)/sizeof(WCHAR)> \
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name = { sizeof(str) - sizeof(WCHAR), str }
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#define DECL_CONST_BSTR(name, str) \
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extern STATIC_BSTR<sizeof(str)/sizeof(WCHAR)> name;
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extern HRESULT _ComputeFreeSpace(LPCWSTR pszFileName, ULONGLONG& ullFreeSpace,
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ULONGLONG& ullUsedSpace, ULONGLONG& ullTotalSpace);
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