Simulate key pressing

Here the code:

TBool SendKey(TInt aScanCode)
{
TRawEvent ev1;
ev1.Set(TRawEvent::EKeyDown, aScanCode);
UserSvr::AddEvent(ev1); // SwEvent
User::After(100000);
TRawEvent ev2;
ev2.Set(TRawEvent::EKeyUp, aScanCode);
UserSvr::AddEvent(ev2); // SwEvent
}