MSG_THREAD_STEP_OUT
fStepOutButton->SetMessage(new BMessage(MSG_THREAD_STEP_OUT));
fActiveThread->ID(), MSG_THREAD_STEP_OUT);
case MSG_THREAD_STEP_OUT:
case MSG_THREAD_STEP_OUT:
case MSG_THREAD_STEP_OUT:
if (action == MSG_THREAD_STEP_OUT) {