private void CreateButton(ref VirtualButton vb, VirtualKeyboardButton vkb)
{
AllButtons.Add(vkb);
vb = vkb;
}
public VirtualKeyboardAxis(string name, Keys?pos, Keys?neg) :
base(name)
{
Pos = new VirtualKeyboardButton(NamePos, pos);
Neg = new VirtualKeyboardButton(NameNeg, neg);
}