FLAG_WAS_PRESSED
_SetFlag(FLAG_WAS_PRESSED, wasPressed);
bool pressed = inside ^ _Flag(FLAG_WAS_PRESSED);
_Flag(FLAG_WAS_PRESSED) ? B_CONTROL_OFF : B_CONTROL_ON);
bool pressed = inside ^ _Flag(FLAG_WAS_PRESSED);
SetValue(_Flag(FLAG_WAS_PRESSED) ? B_CONTROL_OFF : B_CONTROL_ON);