When working in forms and using display methods, sometimes they have a tendency to slow down the form to the degree that makes you wonder if it’s worth it at all. This is when cacheAddMethod comes in handy.

When using cacheAddMethod we place the method in memory, the effect of this is that the method only runs once when the form loads and then every time we switch between records. This instead of display methods normal behavior, which means it runs every time all the time.

For the cacheAddMethod to do what it’s supposed to we need it to run when the form starts up. If we have created the display method “OurTestMethod” on table SalesTable we want to place the call to cacheAddMethod in the init method on the form datasource SalesTable.
Continue reading Using CacheAddMethod →

Follow