/// <summary>
/// Determines whether the specified entity has all of the specified attributes.
/// </summary>
/// <param name="entity">The entity.</param>
/// <param name="attributes">The attributes to check for.</param>
/// <returns><c>true</c> if the entity has all of the specified attributes, otherwise, <c>false</c></returns>
public static bool HasAll(this IHaveAttributes entity, AttributeMask attributes)
{
return((entity.attributes & attributes) == attributes);
}
/// <summary>
/// Initializes a new instance of the <see cref="MessageAttributesChanged"/> class.
/// </summary>
/// <param name="entity">The entity.</param>
public MessageAttributesChanged(IHaveAttributes entity)
{
this.entity = entity;
}