Difference between revisions of "SET PREFORM"
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==Purpose== | ==Purpose== | ||
Preform trigger procedure to execute before a form is displayed | Preform trigger procedure to execute before a form is displayed | ||
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==Syntax== | ==Syntax== | ||
| − | SET PREFORM TO | + | SET PREFORM TO [<procedure-name> | (<expC>)] |
==See Also== | ==See Also== | ||
| − | [[@...GET]], [[CREATE SCREEN]], [[MODIFY SCREEN]], [[SET POSTFORM]], [[SET POSTRECORD]], [[SET PRERECORD]] | + | [[@...GET]], [[APPEND]], [[CHANGE]], [[CREATE SCREEN]], [[EDIT]], [[FMT()]], [[Function Keys]], [[INSERT]], [[MODIFY SCREEN]], [[QUERY]], [[SET FORMAT]], [[SET POSTFORM]], [[SET POSTRECORD]], [[SET PRERECORD]] |
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==Description== | ==Description== | ||
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<code lang="recital"> | <code lang="recital"> | ||
procedure intiform | procedure intiform | ||
| − | // Display the contents on a memo | + | // Display the contents on a memo |
| − | memosay(comp_hist,2,17,15,61) | + | memosay(comp_hist,2,17,15,61) |
return | return | ||
| Line 34: | Line 28: | ||
set form to formname | set form to formname | ||
set preform to initform | set preform to initform | ||
| − | edit</code> | + | edit |
| + | </code> | ||
==Products== | ==Products== | ||
| − | Recital | + | Recital |
[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Commands]] | [[Category:Commands]] | ||
[[Category:Set_Commands|PREFORM]] | [[Category:Set_Commands|PREFORM]] | ||
| + | [[Category:Screen Forms]] | ||
| + | [[Category:Screen Forms Set Commands]] | ||
| + | [[Category:Triggers]] | ||
| + | [[Category:Triggers Set Commands]] | ||
Latest revision as of 17:18, 23 November 2009
Purpose
Preform trigger procedure to execute before a form is displayed
Syntax
SET PREFORM TO [<procedure-name> | (<expC>)]
See Also
@...GET, APPEND, CHANGE, CREATE SCREEN, EDIT, FMT(), Function Keys, INSERT, MODIFY SCREEN, QUERY, SET FORMAT, SET POSTFORM, SET POSTRECORD, SET PRERECORD
Description
The PREFORM trigger procedure executes a procedure upon entering a form. The SET PREFORM TO <procedure-name> command defines the procedure or program name to be executed. The filename can be substituted with a <expC>, enclosed in round brackets, which returns a valid filename. The SET PREFORM TO command clears the active <procedure-name>.
The SET PREFORM trigger can also be defined from within the SCREEN PAINTER work surface. The PREFORM procedure option from the TRIGGERS menu is used to define the trigger name. The [HELP] key may be pressed here to edit the trigger file from inside the SCREEN PAINTER.
Example
procedure intiform // Display the contents on a memo memosay(comp_hist,2,17,15,61) return select 1 use payroll alias payroll set form to formname set preform to initform edit
Products
Recital
