EventModifierFlag
enum EventModifierFlag : (int val)
{
CAPS_LOCK = 1 << 16,
SHIFT = 1 << 17,
CONTROL = 1 << 18,
OPTION = 1 << 19,
COMMAND = 1 << 20,
NUMERIC_PAD = 1 << 21,
FUNCTION = 1 << 23,
HELP = 1 << 22,
}