Request double-valued callback information. The available information
depends on the value of the where member. For information on
possible values of where, and the double-valued information
that can be queried for different values of where, please
refer to the Callback Codes section
of the Reference Manual.
| double | getDoubleInfo ( | int | what ) |
Arguments:
what: Information requested. Please refer to the list of Callback Codes in the Reference Manual for possible values.
Return value:
Value of requested callback information.