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functionKey

functionKey posInteger

Note: posInteger must yield a number between 1 and 15.

HyperCard sends the functionKey command to the current card when the user presses one of the function keys on the Apple Extended Keyboard.

The functionKey command performs an undo, cut, copy, or paste for the values 1 through 4. Integer values 5 through 15 have no built-in effect.

You can handle the functionKey message as follows:

on functionKey whichKey

  statements

end functionKey

Examples

functionKey 1 -- performs undo

functionKey 2 -- performs cut

functionKey 3 -- performs copy

functionKey 4 -- performs paste

-- An example handler:

on functionKey whichKey

  if whichKey is 5 then myCoolHandler

  else if whichKey is 6 then choose browse tool

  else if whichKey is 7 then choose button tool

  else if whichKey is 8 then choose field tool

  else pass functionKey

end functionKey

Placeholders

posInteger

An expression that evaluates to a positive integer.

For example:

3

67 mod 13

the number of bg fields

the number of backgrounds

the number of cards div 2

See also: background, bkgnd, button, card, chunk, field, menu, and menuItem

statements

Any return-separated list of built-in commands, user-defined handlers, or keywords that are part of a message or function handler.

put "Hello world"   -- built-in command

get total(field 1)  -- function call

global HelpInfo     -- keyword

functionKey

functionKey

Examples

Related Topics

Placeholders

posInteger

statements