ulrc (APIRET) - returns

Return Code.

DosSendSignalException returns one of the following values:

• NO_ERROR
  
• ERROR_INVALID_FUNCTION
  156
  ERROR_SIGNAL_REFUSED
  205
  ERROR_NO_SIGNAL_SENT
  209
  ERROR_INVALID_SIGNAL_NUMBER
  303
  ERROR_INVALID_PROCID
  For a full list of error codes, see Errors.