E r g e b n i s / R e s u l t
Checks for a character in the keyboard buffer and returns it
B e s c h r e i b u n g / D e s c r i p t i o n
This function checks if there is a character waitinig in the keyboard buffer. If so, it is returned, otherwise an empty string is returned.
S y n t a x
Code:
ckey = call('charkey') P a r a m e t e r
R e t u r n s
A string with containing the character.
The string ~~~ is returned if K_UNDO (ESC) is pressed
The string ||| is returned if K_DO (F10) or K_RETURN (Return) is pressed
B e i s p i e l / E x a m p l e
Code:
attach "keybuff"
xpos = 10
ckey = ""
while ckey <> "~~~" and ckey <> "|||" and xpos < 30
ckey = call('charkey')
if ckey <> "" and ckey <> "~~~" and ckey <> "|||"
put at xpos,7 ckey
xpos = xpos + 1
put at xpos+1,7 " "
end if
end while