OPTION_IS_LOADED Function
Checks if a specified Option Programming Interface (OPI) optional module is currently loaded.
Usage
result = OPTION_IS_LOADED (option_name)
Input Parameters
option_name—(string) The name of the OPI option to check.
Output Parameters
result—A value indicating the status of the given OPI option.
1—Indicates the OPI option is currently loaded.
0—Indicates the OPI option is not loaded.
Keywords
None.
Discussion
OPI options can be loaded explicitly by any PV‑WAVE user using the LOAD_OPTION procedure. These optional modules can be written in C or FORTRAN, and can contain new system functions or other primitives. For detailed information on creating OPI options, see the PV‑WAVE Application Developer’s Guide.
Example
IF NOT OPTION_IS_LOADED('xml') THEN $ LOAD_OPTION, 'xml'
See Also
Version 2017.0
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