Error-Handling Functions Reference (AutoLISP)

2013-04-10

Product Documentation

Intermediate

The following table provides summary descriptions of the AutoLISP error-handling functions.

Error-handling functions
Function	Description
(alert string)	Displays an alert dialog box with the error or warning message passed as a string
(error string)	A user-definable error-handling function
(exit)	Forces the current application to quit
(pop-error-mode)	Error-handling function that ends the previous call to push-error-using-command or push-error-using-stack
(push-error-using-command)	Error-handling function that indicates the use of the command function within a custom error handler
(push-error-using-stack)	Error-handling function that indicates the use of variables from the AutoLISP stack within a custom error handler
(quit)	Forces the current application to quit
(vl-catch-all-apply ' function list)	Passes a list of arguments to a specified function and traps any exceptions
(vl-catch-all-error-message error-obj)	Returns a string from an error object
(vl-catch-all-error-p arg)	Determines whether an argument is an error object returned from vl-catch-all-apply

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