query_window_type ( : : : WindowTypes )

Request of available window types.

query_window_type returns a tupel which contains all devices resp.software systems which are used to display image objects. You may use query_window_type usefully while developing machine independent programs. Possible values are:

 'X-Window'         X-Window Version 11.

 'pixmap'           Windows are not displayed, but managed in memory.
                    In this manner it is possible to port HORUS-programs to
                    computers without graphical display.

 'HP-2397a'         Starbase (Hewlett Packard).

 'SG 4D-80-GTB'     GL (Silicon Graphics).

 'user-1'           User defined output device.


Parameters

WindowTypes (output_control)
string-array -> string
Names of available window types.


Result

query_window_type returns always TRUE.


Possible Predecessors

init_horus



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