The following form event commands have been deprecated yet are kept for compatibility reasons:

• Deactivated


• Activated


• In Header


• In Break


• In Footer


• Before


• During


• After


• Outside call

Starting with version 6, you should consider using the Form Event command and checking if a corresponding event occurs:

The depracated form event commands would return True in specific situations. This was then used in Case of and If statements like the following example:

If(Activated)     ORDER RECORDS BY([Parents];[Parents]Children;>)     ` ... End If

The Form event command is used in a similar way, however it uses a constant for the specific event as a parameter like the following example:

If(Form event=On Activate)     ORDER RECORDS BY([Parents];[Parents]Children;>)     ` ... End If

In both of the above examples, the code is only ran when the condition evalutated by the If statement returns True.

Here is a list of one-to-one matches for the depracated form event commands to the corresponding Form event constant:

Command	Form Event
Deactivated	On Deactivate
Activated	On Activate
In Header	On Header
In Break	On Printing Break
In Footer	On Printing Footer
After	On Validate

Two of the deprecated form event commands, Before and During, can return True for many form events in the new paradigm. See the table below for more information:

Command	Form Event
Before	On Load On Display Detail On Printing Detail
During	On Clicked On Double Clicked On Losing Focus On Getting Focus On Menu Selected On Data Change On Close Box On Printing Detail On Open Detail On Close Detail

The following special syntax, that was used in older versions of 4D, can be easily achieved with one Form event constant:

Special Syntax	Form Event
(Before & During)	On Display Detail

Using the Form event command gives the developer much more granul control over events then the older deprecated commands; however because of this added granularity, your code should be thoroughly tested when replacing these commands as some of the legacy code may need to be placed in different form events.

For more information please read up on the Form event command.