protected virtual void OnLockToUsableAreaChanged() => LockToUsableAreaChanged?.Invoke(this, new EventArgs());
protected virtual void OnLockToUsableAreaChanged() => LockToUsableAreaChanged?.Invoke(this, EventArgs.Empty);
protected virtual void OnLockToUsableAreaChanged() => LockToUsableAreaChanged?.Invoke(this, new EventArgs());
protected virtual void OnLockToUsableAreaChanged() => LockToUsableAreaChanged?.Invoke(this, EventArgs.Empty);