IWeakHandler

namespace System
{
  /// <summary>
  /// Defines an event handler of the specified <see cref="EventArgs"/>.
  /// </summary>
  /// <typeparam name="TEventArgs">The <see cref="EventArgs"/> type of this event.</typeparam>
  public interface IWeakHandler<TEventArgs>
  where TEventArgs : EventArgs
  {
    /// <summary>
    /// The method to be raised when the event is fired.
    /// </summary>
    /// <param name="sender">The object that raised the event.</param>
    /// <param name="e">The <see cref="EventArgs"/> of the event.</param>
    void OnEventRaised(object sender, TEventArgs e);
  }
}