opcdata_clear()

   #include opcapi.h

   int opcdata_clear (
           opcdata * data      /*in/out*/
                     );

Parameters

data

Points to the data area that will be cleared.

Description

Frees an re-initializes all fields in data.

NOTE:
This function changes the pointer to the data structure.

Return Values

OPC_ERR_OK:

OK

OPC_ERR_INVALID_INPARAM:

parameter data is invalid; probably NULL

OPC_ERR_CANT_INIT:

unable to initialize

OPC_ERR_NO_MEMORY:

memory allocation failed

Versions

HPOM for Windows A.07.50 and later