Note: This is a work in progress and will be formatting errors. Read more about the project on the home page.
HyperCard sends the
newBackground message to the current card (in this case, the first card of the new background) just after HyperCard creates the background.
Although the new background will not have a script with which to respond to the message, any other object along the message-passing path can handle it.
Any return-separated list of built-in commands, user-defined handlers, or keywords that are part of a message or function handler.
Version 0.7b1 (March 24, 2022)
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