/// <summary>
/// Returns whether the given member is in this collection.
/// </summary>
/// <param name="member">The member to validate.</param>
/// <returns>True if the given member is part of this collection, or false otherwise.</returns>
public bool Contains(ISchemaEntry member)
{
if (IsDisposed)
{
throw new ObjectDisposedException(this.ToString());
}
if (member == null)
{
throw new ArgumentNullException("Member cannot be null.");
}
return(_Members.Contains(member));
}