The Trigger_RegisterProcedure() function registers a procedure trigger for use with the runtime engine. A procedure trigger is activated when the specified procedure is run.
Trigger_RegisterProcedure(script procedure {of form form_name}, attach_type, script processing_procedure {, tag})
• script procedure – The procedure for which the procedure trigger is registered. When this procedure is run, the procedure trigger is activated.
• of form form_name – An optional parameter specifying a form name. Use this only if procedure is a form procedure.
• attach_type – An integer indicating when the procedure trigger is activated, relative to the original procedure:
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|
Constant |
Value |
|---|---|
|
TRIGGER_BEFORE_ORIGINAL |
1 |
|
TRIGGER_AFTER_ORIGINAL |
2 |
• script processing_procedure – A procedure you write that runs in response to the procedure trigger.
• tag – An optional returned integer that uniquely identifies the trigger. This value is used when you want to unregister, enable or disable the trigger individually.
An integer corresponding to the following constants:
|
Constant |
Value |
Description |
|---|---|---|
|
SY_NOERR |
0 |
No error occurred. |
|
SY_UNKNOWN |
1 |
An unknown error occurred and the trigger was not registered. |
|
SY_INVALID_SCRIPT |
2 |
The trigger processing script was either not found or had the wrong number of parameters. The trigger was not registered. |