mouseWithin

mouseWithin

Handler:

on mouseWithin
   statements
end mouseWithin

HyperCard sends the mouseWithin message to a button or field repeatedly while the pointer is inside its rectangle.

Placeholders

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