Classes
Methods
commandExecuted()
    Invoked when, in helper or normal modes, the command execution request 
has been sent to the server.
- Source:
executionDone()
    Invoked after the command execution is successful.
Default implementation does nothing at all.
- Source:
executionFailed()
    Invoked after the command execution has failed.
Default implementation displays resultValue
(which is assumed to be an error message) if there; 
a generic error message otherwise.
- Source:
executionStopped()
    Invoked after the command execution was stopped.
Default implementation displays resultValue
(which in principle contains information about how to resume 
the execution of the command) if there; 
a generic error message otherwise.
- Source: