Note: This is a work in progress and many formatting issues have been fixed. Read more about the project on the home page.
suspend
Handler:
HyperCard sends the suspend
message to the current card when a user (or handler) launches an application from HyperCard with the open
command, just before the application is launched.
Note: HyperCard does not send this message when it’s running under MultiFinder.
Any return-separated list of built-in commands, user-defined handlers, or keywords that are part of a message or function handler.