fgl_key_queue()
fgl_key_queue() pushes the keyvalue specified as its argument into a key queue.
If the key queue exists, then the key at the top of the queue is automatically returned on a call to fgl_getkey().
The argument for this function is an INTEGER which represents the key value:
MAIN
DEFINE my_key int
#Push the key 'a' into the queue
CALL fgl_key_queue(50)
CALL fgl_getkey()
#retrieve the value of the last key buffer
LET my_key = fgl_lastkey()
#Display the key value
DISPLAY "You pressed the key: ", my_key at 5,5
CALL fgl_winmessage("Exit","Press any key to close this demo application","info")
END MAIN
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