I have code and return value == 0. Why? It must be 99!

ALTER PROCEDURE [dbo].[myproc]
(
@mykod INT
)
RETURNS INT
AS
BEGIN
select * from table1 where kod=@mykod
RETURN 99
END

//----------------------------------

ICommandText* pICommandText;
hr = pIDBCreateCommand->CreateCommand(NULL, IID_ICommandText,(IUnknown**) &pICommandText);
if (FAILED(hr)) AfxMessageBox("Command Create Command Failed");

WCHAR* wSQLString = L"{?=CALL myproc(?)}";

pICommandText->SetCommandText(DBGUID_DBSQL, wSQLString);

SPROCPARAMS sprocparams = {0, 2};

// Command parameter data.
DBPARAMS            Params;
const ULONG         nParams = 2;

//-----------------

typedef struct tagSPROCPARAMS
{
long lReturnValue;
long lkodValue;
} SPROCPARAMS;

DBBINDING acDBBinding[nParams];
DBBINDSTATUS acDBBindStatus[nParams];

for (ULONG i = 0; i < nParams; i++)
    {
    acDBBinding\[i\].obLength = 0;
    acDBBinding\[i\].obStatus = 0;
    acDBBinding\[i\].pTypeInfo = NULL;
    acDBBinding\[i\].pObject = NULL;
    acDBBinding\[i\].pBindExt = NULL;
    acDBBinding\[i\].dwPart = DBPART\_VALUE;
    acDBBinding\[i\].dwMemOwner = DBMEMOWNER\_CLIENTOWNED;
    acDBBinding\[i\].dwFlags = 0;
    acDBBinding\[i\].bScale = 0;
    }


acDBBinding\[0\].iOrdinal = 1;
acDBBinding\[0\].obValue = offsetof(SPROCPARAMS, lReturnValue);
acDBBinding\[0\].eParamIO = DBPARAMIO\_OUTPUT;
acDBBinding\[0\].cbMaxLen = sizeof(long);
acDBBinding\[0\].wType = DBTYPE\_I4;
acDBBinding\[0\].bPrecision = 11;


acDBBinding\[1\].iOrdinal = 2;
acDBBinding\[1\].obValue = offsetof(SPROCPARAMS, lkodValue);
acDBBinding\[1\].eParamIO = DBPARAMIO\_INPUT;
acDBBinding\[1\].cbMaxLen = sizeof(long);
acDBBinding\[1\].wType = DBTYPE\_I4;
acDBBinding\[1\].bPrecision = 11;


// Get the IAccessor interface, then create the accessor for
// the defined parameters.

IAccessor\*  pIAccessor; 

HACCESSOR hAccessor;

pICommandText->QueryInterface(IID_IAccessor,
(void**) &pIAccessor);
if(FAILED(hr)) AfxMessageBox("Failed Query Interface IId_IAccessor");

hr = pIAccessor->CreateAccessor(DBACCESSOR\_PARAMETERDATA,
    nParams, acDBBinding, sizeof(SPROCPARAMS), &hAccessor,
    acDBBindStatus);
if(FAILED(hr)) AfxMessageBox("Failed Create Accessor");

// Fill the DBPARAMS structure for the command execution.
Params.pData = &sprocpa