Calling processing blocks

In every processing block of an ABAP-Program, you can call processing blocks of the same program (internal call) or processing blocks of other ABAP-Programs (external call).

• This is basically about calling procedures.

• In methods, events of the own class can be triggered, and, thereby you can indirectly call event handler. In doing so, the interface of the event handler is supplied. Prerequisite for the execution of an event handler is its Registration.

• There are two cases in which it is also possible to trigger events of the runtime environment and ,in doing so, call respective event blocks.

A call of dialog modules with the statement MODULE is not carried out in the processing blocks of an ABAP-Program, but in the processing blocks of the dynpro flow logic.