Reply to welcher Stringtyp bei pVoice->Speak(string, ...) on Thu, 04 May 2006 18:22:39 GMT

sapi einsteiger — Thu, 04 May 2006 18:22:39 GMT

Welcher Stringtyp bei pVoice->Speak(string, ...)
Verwendet man CString erhält man eine Fehlermeldung.
Erwarteter Typ: const unsigned short *

Reply to welcher Stringtyp bei pVoice->Speak(string, ...) on Thu, 04 May 2006 18:50:08 GMT

_experte_ — Thu, 04 May 2006 18:50:08 GMT

HRESULT AnsiStrToBStr(LPCSTR szAnsiIn, BSTR * lpBstrOut) 
{

	DWORD dwSize;

	if (lpBstrOut == NULL) return E_INVALIDARG;
	if (szAnsiIn == NULL) { *lpBstrOut = NULL; return NOERROR; }

	// Get the number of unicode characters needed to convert szAnsiIn...
	dwSize = MultiByteToWideChar(CP_ACP, 0, szAnsiIn, -1, NULL, 0);
	if (dwSize == 0) return HRESULT_FROM_WIN32( GetLastError() );

	// Allocate a BSTR of the required length...
	// Note we minus one as SysAllocString takes the length
	// of the string not including the null terminator while
	// dwSize includes space for the null terminator.
	*lpBstrOut = SysAllocStringLen(NULL, dwSize - 1);
	if (*lpBstrOut == NULL) return E_OUTOFMEMORY;

	// Convert szAnsiIn into the BSTR we allocated...
	if ( !MultiByteToWideChar(CP_ACP, 0, szAnsiIn, -1, *lpBstrOut, dwSize) ) {
		SysFreeString(*lpBstrOut);
		return HRESULT_FROM_WIN32( GetLastError() );
	}

	return NOERROR;
}