eva/3 Application Builder • Developing Additional eva/3 Components 

User Commands

Commands are Java classes, that can be developed by the application developer and that can be executed when an event of a component occurs. More than one command can be combined in Macros.

A Command must implement the interface com.odc.eva3.rt.command.Command that prescribes the method

Object action(Object[] args, Macro macro)

eva/3 Application Builder provides predefined System Commands, that can be used without any own programming.

In the customer prortal of optadat@.com, there are examples with source code, in the section Goodies.

Developing Additional eva/3 Components Developing Additional eva/3 Components
Create a New Command Create a New Command
Command Class Command Class
Command Editor Command Editor
Command Outline Command Outline
Examples for Tasks of an Command Examples for Tasks of an Command