gre.key_up( code, [channel] )
Send a key_up event to the application with the scancode passed in the parameters. channel is an optional parameter
Parameters:
code The UTF-8 character code to inject
channel An optional Storyboard IO channel to send the event on, if not specified the
event is added directly into the current Storyboard application event queue
if neither the environment variable or global GREIONAME variable are set.
Returns:
true for success, false for failure and error message string, e.g. "Can't open greio channel my_channel"
Example:
function CBSpaceUp() gre.key_up(0x20) end function CBSendSpaceUp() local success, error = gre.key_up(0x20, "my_channel") if(success == false) then print(error) --handle error end end