Difference between revisions of "ON ESCAPE"
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[[Category:Keyboard Events]] | [[Category:Keyboard Events]] | ||
[[Category:Keyboard Events Commands]] | [[Category:Keyboard Events Commands]] | ||
Latest revision as of 15:42, 12 November 2009
Purpose
Trap the interrupt key
Syntax
ON ESCAPE [<command>]
See Also
ON ERROR, ON KEY, SET DOESCAPE, SET ESCAPE
Description
The ON ESCAPE command causes the specified <command> to be executed if the interrupt key is pressed. If ON ESCAPE is specified without a <command>, then the interrupt key will not be trapped.
<command>
The <command> can be any Recital/4GL command.
Example
procedure interrupt on escape set message to "Processing canceled." close tables erase temp.tmp return to master on escape do interrupt
Products
Recital
