getSelectionProvider().addSelectionChangedListener(getSelectionChangedListener());
getSelectionProvider().addSelectionChangedListener(getSelectionChangedListener());
getSelectionProvider().addSelectionChangedListener(getSelectionChangedListener());
getSelectionProvider().addSelectionChangedListener(getSelectionChangedListener());
getSelectionProvider().addSelectionChangedListener(getSelectionChangedListener());
getSelectionProvider().addSelectionChangedListener(getSelectionChangedListener());