private bool HasKeyDuplicate(Key key)
{
if ((key == Key.LeftShift || key == Key.RightShift) && HasKeyShift() ||
key == Key.System && HasKeyAlt() ||
(key == Key.LeftCtrl || key == Key.RightCtrl) && HasKeyControl())
{
return(true);
}
if (KeysList.Exists(k => k <= Key.Z))
{
return(true);
}
return(false);
}