rem: SetMenuRepeatDelay (DWORD min, DWORD max, DWORD step)
add: SetMenuRepeatDelay (DWORD min, DWORD max, DWORD step, BOOLEAN gestalt)
context: SetMenuRepeatDelay (DWORD min, DWORD max, DWORD step){	_min_accel = min;	_max_accel = max;	_step_accel = step;	_clear_menu_state ();}