The main task of this service is to prevent closing, terminating and/or
etc. of controlled object.
After creation the service adds a listener of requested type
( close, terminate and/or etc. ) to the controlled object and let
the listener throw related veto exception until the service is disposed.
is used to initialize the object on it's creation.
Parameter xInstance
the controlled object. Must implement the related to the
requested actions broadcaster interface.
Parameter nActions
specifies the actions that should be done ( prevent closing,
prevent termination and/or etc. ). It must not be empty and can
currently contain following values or their combination:
Actions::PREVENT_CLOSE and
Actions::PREVENT_TERMINATION.
is used to initialize the object on it's creation.
Parameter xInstance
the controlled object. Must implement the related to the
requested actions broadcaster interface.
Parameter nActions
specifies the actions that should be done ( prevent closing,
prevent termination and/or etc. ). It must not be empty and can
currently contain following values or their combination:
Actions::PREVENT_CLOSE and
Actions::PREVENT_TERMINATION.
Parameter xApprove
The object implementing XActionsApproval interface.
If this parameter is an empty reference the object will proceed
with the specified in the first parameter action until it is
disposed ( just like in the case of the first constructor ).
If the instance is provided, it will be asked for approval each
time before proceeding with the action ( the action is
specified using ::string and can take following
values in this case: "PreventClose", "PreventTermination" ).
