C / C++ / MFC

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//Finds out the length of a BSTR.<br />
long GetLengthOfBSTR (BSTR Target)<br />
{<br />
	long iRet = 0; //Result to return.<br />
	long iCursor = 0; //Interator through the BSTR.<br />
	bool bForever = false; //To cycle forever.<br />
	<br />
	//If the string is NULL.<br />
	if (Target == NULL)<br />
		return(0); //Returning zero length.<br />
	while (!bForever) //Cycling forever.<br />
	{<br />
		unsigned int uiPiece = Target[iCursor]; //Piece by piece.<br />
		//Until reaching the null termination of the string.<br />
		if (uiPiece == 0)<br />
			return(iRet); //Returning the computed length.<br />
		else<br />
			iRet++; //Increasing the length.<br />
		iCursor++; //Increasing the BSTR iterator.<br />
	}<br />
	return -1; //Mostly to avoid warnings ::- ).<br />
}<br />
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//Converts a BSTR to a Char. Needed when working with strings with Visual Basic.<br />
char *ConvertBSTRToChar (BSTR Target)<br />
{<br />
	char *sResult; //Result to return.<br />
	long iCounter; //Iterator.<br />
	long iLength; //Length of Target.<br />
	<br />
	iCounter = iLength = GetLengthOfBSTR(Target); //Initializing.<br />
	sResult = new char[iLength + 1]; //Creating a character big enough to hold the result.<br />
	strcpy(sResult, ""); //Initializing.<br />
	for (iCounter = 0; iCounter < iLength; iCounter++) //Going through the Target BSTR.<br />
	{<br />
		unsigned int uiPiece = Target[iCounter]; //Taking it piece by piece.<br />
		sResult[iCounter] = uiPiece; //Adding it in the final result.<br />
		sResult[iCounter + 1] = '\0'; //Adding null termination.<br />
	}<br />
	return sResult; //Returning computed char.<br />
}<br />

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LPCSTR c;<br />
c = ConvertBSTRToChar(StuffFromVB);<br />
MessageBox(0, c, "Test", 0);<br />