"item_modified" trigger

Description

item_modified trigger function is optional. if it is needed, it must be in Code Behind File. Whenever a control/data block item's value has been changed, item modified trigger is fired.

Declaration

Trigger function's name should conform to the following format:

blockName + "." + itemName

void ItemModifiedTriggerFunctionName(char oldValue);

Example

void emps.has_car(char oldValue) {
        if ( :emps.has_car == "E" ) then
                show_block("cars", true);
        else
                hide_block("cars", true);
        end if;
}