OnClickApp
const char* OnClickApp() const;
if (status == B_OK && OnClickApp() != NULL)
status = archive->AddString("_onClickApp", OnClickApp());
if (fNotification->OnClickApp() != NULL
&& be_roster->FindApp(fNotification->OnClickApp(), &appRef)
if (fNotification->OnClickApp() != NULL)
be_roster->Launch(fNotification->OnClickApp(), &messages);