Alguien me puede indicar un ejemplo válido de "WideCharToMultiByte"??
Lo he intentado utilizar pero nunca me ha funcionado a la hora de pasar un WCHAR[260] a un tipo MultiByte.
Alguien me puede ayudar?
Gracias de antemano
Ejemplos sacados de la dxutil de DX:
//-----------------------------------------------------------------------------
// Name: DXUtil_ConvertAnsiStringToWideCch()
// Desc: This is a UNICODE conversion utility to convert a CHAR string into a
// WCHAR string.
// cchDestChar is the size in TCHARs of wstrDestination. Be careful not to
// pass in sizeof(strDest)
//-----------------------------------------------------------------------------
HRESULT DXUtil_ConvertAnsiStringToWideCch( WCHAR* wstrDestination, const CHAR* strSource,
int cchDestChar )
{
if( wstrDestination==NULL || strSource==NULL || cchDestChar < 1 )
return E_INVALIDARG;
int nResult = MultiByteToWideChar( CP_ACP, 0, strSource, -1,
wstrDestination, cchDestChar );
wstrDestination[cchDestChar-1] = 0;
if( nResult == 0 )
return E_FAIL;
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: DXUtil_ConvertWideStringToAnsi()
// Desc: This is a UNICODE conversion utility to convert a WCHAR string into a
// CHAR string.
// cchDestChar is the size in TCHARs of strDestination
//-----------------------------------------------------------------------------
HRESULT DXUtil_ConvertWideStringToAnsiCch( CHAR* strDestination, const WCHAR* wstrSource,
int cchDestChar )
{
if( strDestination==NULL || wstrSource==NULL || cchDestChar < 1 )
return E_INVALIDARG;
int nResult = WideCharToMultiByte( CP_ACP, 0, wstrSource, -1, strDestination,
cchDestChar*sizeof(CHAR), NULL, NULL );
strDestination[cchDestChar-1] = 0;
if( nResult == 0 )
return E_FAIL;
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: DXUtil_ConvertGenericStringToAnsi()
// Desc: This is a UNICODE conversion utility to convert a TCHAR string into a
// CHAR string.
// cchDestChar is the size in TCHARs of strDestination
//-----------------------------------------------------------------------------
HRESULT DXUtil_ConvertGenericStringToAnsiCch( CHAR* strDestination, const TCHAR* tstrSource,
int cchDestChar )
{
if( strDestination==NULL || tstrSource==NULL || cchDestChar < 1 )
return E_INVALIDARG;
#ifdef _UNICODE
return DXUtil_ConvertWideStringToAnsiCch( strDestination, tstrSource, cchDestChar );
#else
strncpy( strDestination, tstrSource, cchDestChar );
strDestination[cchDestChar-1] = '\0';
return S_OK;
#endif
}
//-----------------------------------------------------------------------------
// Name: DXUtil_ConvertGenericStringToWide()
// Desc: This is a UNICODE conversion utility to convert a TCHAR string into a
// WCHAR string.
// cchDestChar is the size in TCHARs of wstrDestination. Be careful not to
// pass in sizeof(strDest)
//-----------------------------------------------------------------------------
HRESULT DXUtil_ConvertGenericStringToWideCch( WCHAR* wstrDestination, const TCHAR* tstrSource,
int cchDestChar )
{
if( wstrDestination==NULL || tstrSource==NULL || cchDestChar < 1 )
return E_INVALIDARG;
#ifdef _UNICODE
wcsncpy( wstrDestination, tstrSource, cchDestChar );
wstrDestination[cchDestChar-1] = L'\0';
return S_OK;
#else
return DXUtil_ConvertAnsiStringToWideCch( wstrDestination, tstrSource, cchDestChar );
#endif
}
//-----------------------------------------------------------------------------
// Name: DXUtil_ConvertAnsiStringToGeneric()
// Desc: This is a UNICODE conversion utility to convert a CHAR string into a
// TCHAR string.
// cchDestChar is the size in TCHARs of tstrDestination. Be careful not to
// pass in sizeof(strDest) on UNICODE builds
//-----------------------------------------------------------------------------
HRESULT DXUtil_ConvertAnsiStringToGenericCch( TCHAR* tstrDestination, const CHAR* strSource,
int cchDestChar )
{
if( tstrDestination==NULL || strSource==NULL || cchDestChar < 1 )
return E_INVALIDARG;
#ifdef _UNICODE
return DXUtil_ConvertAnsiStringToWideCch( tstrDestination, strSource, cchDestChar );
#else
strncpy( tstrDestination, strSource, cchDestChar );
tstrDestination[cchDestChar-1] = '\0';
return S_OK;
#endif
}
//-----------------------------------------------------------------------------
// Name: DXUtil_ConvertAnsiStringToGeneric()
// Desc: This is a UNICODE conversion utility to convert a WCHAR string into a
// TCHAR string.
// cchDestChar is the size in TCHARs of tstrDestination. Be careful not to
// pass in sizeof(strDest) on UNICODE builds
//-----------------------------------------------------------------------------
HRESULT DXUtil_ConvertWideStringToGenericCch( TCHAR* tstrDestination, const WCHAR* wstrSource,
int cchDestChar )
{
if( tstrDestination==NULL || wstrSource==NULL || cchDestChar < 1 )
return E_INVALIDARG;
#ifdef _UNICODE
wcsncpy( tstrDestination, wstrSource, cchDestChar );
tstrDestination[cchDestChar-1] = L'\0';
return S_OK;
#else
return DXUtil_ConvertWideStringToAnsiCch( tstrDestination, wstrSource, cchDestChar );
#endif
}