windowscodecs/tests: Fix compilation on systems that don't support nameless unions.
[wine/multimedia.git] / include / propvarutil.h
blobfe7ab940d34e9bfacf81c02916e94b73f19a05b1
1 /*
2 * Copyright 2008 James Hawkins for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 #ifndef __WINE_PROPVARUTIL_H
20 #define __WINE_PROPVARUTIL_H
22 #include <propidl.h>
23 #include <shtypes.h>
24 #include <shlwapi.h>
26 enum tagPROPVAR_CHANGE_FLAGS
28 PVCHF_DEFAULT = 0x00000000,
29 PVCHF_NOVALUEPROP = 0x00000001,
30 PVCHF_ALPHABOOL = 0x00000002,
31 PVCHF_NOUSEROVERRIDE = 0x00000004,
32 PVCHF_LOCALBOOL = 0x00000008,
33 PVCHF_NOHEXSTRING = 0x00000010,
36 typedef int PROPVAR_CHANGE_FLAGS;
38 HRESULT WINAPI PropVariantChangeType(PROPVARIANT *ppropvarDest, REFPROPVARIANT propvarSrc,
39 PROPVAR_CHANGE_FLAGS flags, VARTYPE vt);
40 HRESULT WINAPI InitPropVariantFromGUIDAsString(REFGUID guid, PROPVARIANT *ppropvar);
41 HRESULT WINAPI InitVariantFromGUIDAsString(REFGUID guid, VARIANT *pvar);
42 HRESULT WINAPI InitPropVariantFromBuffer(const VOID *pv, UINT cb, PROPVARIANT *ppropvar);
43 HRESULT WINAPI InitVariantFromBuffer(const VOID *pv, UINT cb, VARIANT *pvar);
44 HRESULT WINAPI PropVariantToGUID(const PROPVARIANT *ppropvar, GUID *guid);
45 HRESULT WINAPI VariantToGUID(const VARIANT *pvar, GUID *guid);
48 #ifdef __cplusplus
50 HRESULT InitPropVariantFromBoolean(BOOL fVal, PROPVARIANT *ppropvar);
51 HRESULT InitPropVariantFromString(PCWSTR psz, PROPVARIANT *ppropvar);
53 #ifndef NO_PROPVAR_INLINES
55 inline HRESULT InitPropVariantFromBoolean(BOOL fVal, PROPVARIANT *ppropvar)
57 ppropvar->vt = VT_BOOL;
58 ppropvar->boolVal = fVal ? VARIANT_TRUE : VARIANT_FALSE;
59 return S_OK;
62 inline HRESULT InitPropVariantFromString(PCWSTR psz, PROPVARIANT *ppropvar)
64 HRESULT hres;
66 hres = SHStrDupW(psz, &ppropvar->pwszVal);
67 if(SUCCEEDED(hres))
68 ppropvar->vt = VT_LPWSTR;
69 else
70 PropVariantInit(ppropvar);
72 return hres;
75 #endif
76 #endif
78 #endif /* __WINE_PROPVARUTIL_H */