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openBackground

openBackground
Handler:

on openBackground
   statements
end openBackground
HyperCard sends the openBackground message to the current card just after a user (or script) goes to a card whose background differs from the background of the most recent card.


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


Related Topics

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