Difference between revisions of "ON ESCAPE"
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==Purpose== | ==Purpose== | ||
Trap the interrupt key | Trap the interrupt key | ||
| Line 28: | Line 21: | ||
<code lang="recital"> | <code lang="recital"> | ||
procedure interrupt | procedure interrupt | ||
| − | on escape | + | on escape |
| − | set message to "Processing canceled." | + | set message to "Processing canceled." |
| − | close tables | + | close tables |
| − | erase temp.tmp | + | erase temp.tmp |
return to master | return to master | ||
| Line 39: | Line 32: | ||
==Products== | ==Products== | ||
| − | Recital | + | Recital |
[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Commands]] | [[Category:Commands]] | ||
| + | [[Category:Keyboard Events]] | ||
| + | [[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
