void pxinq_target_facs(
Pint ws_id, /* workstation identifier */ Pint *error_ind, /* (out) error indicator */ Pint *num_targets /* (out) number of available targets */
)
Generally, if the specified workstation is in single buffer mode, the number of targets will be set to one. If it is in double buffer mode, the number of targets will be set to two.
If the inquired information is not available, the num_targets output parameter is unchanged and the error indicator is set to the number to indicate the reason of non-availability as follows.
Set rendering target, see pxset_rendering_target
Copy target, see pxcopy_target
Clear target, see pxclear_target
Swap targets, see pxswap_targets