Как установить (узнать) приоритет процесса

{
 HANDLE procHandle = GetCurrentProcess();
 if (!SetPriorityClass(procHandle, HIGH_PRIORITY_CLASS))
 RET_ERR("SetPriorityClass");

 DWORD priorityClass = GetPriorityClass(procHandle);
 ADD_STR("Priority Class is set to : ");
 switch(priorityClass)
 {
 case HIGH_PRIORITY_CLASS:
 ADD_STR("HIGH_PRIORITY_CLASS\r\n");
 break;
 case IDLE_PRIORITY_CLASS:
 ADD_STR("IDLE_PRIORITY_CLASS\r\n");
 break;
 case NORMAL_PRIORITY_CLASS:
 ADD_STR("NORMAL_PRIORITY_CLASS\r\n");
 break;
 case REALTIME_PRIORITY_CLASS:
 ADD_STR("REALTIME_PRIORITY_CLASS\r\n");
 break;
 default:
 ADD_STR("Unknown priority class\r\n");
 }
 return result_buffer;
}