anchor.diff:  
   == Implementation of PmCommand in pm4j ==
   
  -=== Overview ===
  -The PmCommand represents the presentation model of one of the following ui elements:
  -
  -* Buttons
  +=== Class model ===
   
   image:resources/PmCommand_Overview.png[]
  
positive.code: 
  === Performing an action ===
  
  To implement the necessary actions to execute the developer has just to override the doItImpl method.
  
  [source]
  @Override
  
negative.code: 
  === Configuration of PmCommandCfg annotation ===
  
  With the PmCommandCfg you have the possibility to change the default behaviour of the PmCommand object. This means that you can configure for example 
  the behaviour before or after executing the command.
  
  ==== BeforeDo ====
  
  