IBM Lotus Symphony


Linking macros to form events

The Events tab page, allows you to assign a macro to certain events which occur in a form.

To access this command...

Open context menu of a selected form element - choose Form Properties- Events tab

Open Forms toolbar, click Form icon - Events tab

To link an event with a macro, first write a macro that contains all the commands to be executed when the event happens. Then assign this macro to the respective event by clicking the ... button beside the corresponding event. The Assign Macro dialog opens, where you can select the macro.

The following actions can be configured individually, meaning that you can use your own dialogs to depict an action:

For example, you can issue a "confirm deletion" request such as "Really delete customer xyz?" when deleting a data record.

The following lists and describes all events in a form that can be linked to a macro:

Before update

The Before update event occurs before the control content changed by the user is written into the data source. The linked macro can, for example, prevent this action by returning "FALSE".

After update

The After update event occurs after the control content changed by the user has been written into the data source.

Prior to reset

The Prior to reset event occurs before a form is reset. The linked macro can, for example, prevent this action by returning "FALSE".

A form is reset if one of the following conditions is met:

After resetting

The After resetting event occurs after a form has been reset.

Before submitting

The Before submitting event occurs before the form data is sent.

When loading

The When loading event occurs directly after the form has been loaded.

Before reloading

The Before reloading event occurs before the form is reloaded. The data content has not yet been refreshed.

When reloading

The When reloading event occurs directly after the form has been reloaded. The data content has already been refreshed.

Before unloading

The Before unloading event occurs before the form is unloaded; that is, separated from its data source.

When unloading

The When unloading event occurs directly after the form has been unloaded; that is, separated from its data source.

Confirm deletion

The Confirm deletion event occurs as soon as data has been deleted from the form. For example, the linked macro can request confirmation in a dialog.

Before record action

The Before record action event occurs before the current record is changed. For example, the linked macro can request confirmation in a dialog.

After record action

The After record action event occurs directly after the current record has been changed.

Before record change

The Before record change event occurs before the current record pointer is changed.. For example, the linked macro can prevent this action by returning "FALSE".

After record change

The After record change event occurs directly after the current record pointer has been changed..

Fill parameters

The Fill parameters event occurs when the form to be loaded has parameters that must be filled out. For example, the data source of the form can be the following SQL command:

SELECT * FROM address WHERE name=:name

Here :name is a parameter that must be filled out when loading. The parameter is automatically filled out from the parent form if possible. If the parameter cannot be filled out, this event is called and a linked macro can fill out the parameter.

Error occurred

The Error occurred event is activated if an error occurs when accessing the data source. This applies to forms, list boxes and combo boxes.


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