PRB: SQL Server ODBC Driver Returns Output Parameter as a Result Set in a Plain SQL Statement

#include <windows.h>
#include <stdio.h>
#include <sql.h>
#include <sqlext.h>

int main(int argc, char* argv[])
{
	SQLHENV         m_SQLEnvironment;
	SQLHDBC         m_SQLConnection;
	SQLHSTMT	m_SQLStatement;
	BOOL            m_Connected;
	SQLRETURN       iReturn;
	DWORD           returnValue = 0;
	DWORD           resultValue = 0;
	long            lBufLength = sizeof(returnValue);
	long            lBufLength1 = sizeof(resultValue);

	//Connect
	iReturn = SQLAllocHandle(SQL_HANDLE_ENV,SQL_NULL_HANDLE,&m_SQLEnvironment);
	iReturn = SQLSetEnvAttr(m_SQLEnvironment,SQL_ATTR_ODBC_VERSION,(SQLPOINTER) SQL_OV_ODBC3,0);
	iReturn = SQLAllocHandle(SQL_HANDLE_DBC,m_SQLEnvironment,&m_SQLConnection);

	//CHANGE THE DSN NAME HERE along with the length of the DSN.
	iReturn = SQLConnect(m_SQLConnection,(SQLCHAR*) "TestBug",SQL_NTS,(SQLCHAR*)"sa",SQL_NTS,(SQLCHAR*)"",SQL_NTS);
	m_Connected = TRUE;

	//Run Query
	iReturn = SQLAllocHandle(SQL_HANDLE_STMT,m_SQLConnection,&m_SQLStatement);
	iReturn = SQLPrepare(m_SQLStatement,(SQLCHAR*) "Select ?=Max(qty) from sales",SQL_NTS);
	iReturn = SQLBindParameter(m_SQLStatement,1,SQL_PARAM_OUTPUT,SQL_C_SLONG,SQL_INTEGER,0,0,&returnValue,0,&lBufLength);  	
	iReturn = SQLExecute(m_SQLStatement);
	iReturn = SQLFetch(m_SQLStatement);
	if (iReturn == SQL_SUCCESS || iReturn == SQL_SUCCESS_WITH_INFO)
	{
		SQLGetData(m_SQLStatement,1,SQL_C_SLONG,&resultValue,0,&lBufLength);
	}
	iReturn = SQLMoreResults(m_SQLStatement);
	while (iReturn != SQL_NO_DATA)
		iReturn = SQLMoreResults(m_SQLStatement);

	//DISCONNECT
	iReturn = SQLFreeHandle(SQL_HANDLE_STMT,m_SQLStatement);
	iReturn = SQLDisconnect(m_SQLConnection);
	iReturn = SQLFreeHandle(SQL_HANDLE_DBC,m_SQLConnection);
	iReturn = SQLFreeHandle(SQL_HANDLE_ENV,m_SQLEnvironment);
	m_SQLStatement = NULL;
	m_SQLConnection = NULL;
	m_SQLEnvironment = NULL;
	return 0;
}