livecode/docs/dictionary/message/functionKey.lcdoc at develop-9.6 · livecode/livecode

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Name: functionKey
Type: message
Syntax: functionKey <pKeyNumber>
Sent when the user presses a function key.
Associations: card, field
Introduced: 1.0
OS: mac, windows, linux
Platforms: desktop, server
on functionKey theKey
  if theKey is 8 then showPaintTools -- a custom handler
  else pass functionKey
end functionKey
Parameters:
pKeyNumber:
The number of the function key.
Description:
Handle the <functionKey> <message> to let the user perform some action
with a function key.
The message is sent to the active (focused) control, or to the current
card if no control is focused.
Keyboards typically have twelve function keys, so you can use numbers
from 1 to 12 to implement custom actions.
References: message (glossary), commandKeyDown (message),
keyDown (message), help (message), arrowKey (message)

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