/// <summary>
/// Unsubscribes from keyboard capture events.
/// </summary>
/// <param name="subject">The observer to unsubscribe.</param>
public void Unsubscribe(IKeyboardObserver subject)
{
if (!this.Subjects.Contains(subject))
{
return;
}
this.Subjects.Remove(subject);
}
/// <summary>
/// Subscribes to keyboard capture events.
/// </summary>
/// <param name="subject">The observer to subscribe.</param>
public void Subscribe(IKeyboardObserver subject)
{
if (this.Subjects.Contains(subject))
{
return;
}
this.Subjects.Add(subject);
}