使用存储过程时遇到的问题,在线等候

在使用存储过程时遇到如下问题：

StoredProc1->Params->Clear();
StoredProc1->Params->CreateParam( ftSmallint, "@m1", ptInput);
StoredProc1->Params->CreateParam( ftString, "@m2", ptOutput);
StoredProc1->Params->CreateParam( ftInteger, "@m3", ptOutput);
StoredProc1->Params->CreateParam( ftInteger, "@m4", ptOutput);
StoredProc1->Params->CreateParam( ftInteger, "@m5", ptOutput);

StoredProc1->Params->CreateParam( ftInteger, "Result", ptResult);
StoredProc1->Prepare();
StoredProc1->ExecProc();
错误：indicator variable required but not supplied