/// <summary>
/// Adds the specified event handler.
/// </summary>
/// <param name="eventHandler">The event handler.</param>
public void Add(TEventHandler eventHandler)
{
if (eventHandler is null)
{
return;
}
lock (_lockObject)
{
if (_list is null)
{
_list = new WeakEventList();
}
_list.AddHandler(eventHandler);
}
}