/// <summary>
/// Removes the object at the specified index of the RelatedObjectList.
/// </summary>
/// <param name="index">The zero-based index of the element to remove.</param>
public void RemoveAt(int index)
{
if (IsReadOnly)
{
throw new InvalidOperationException("Cannot remove from a read-only list.");
}
ProjectionList.RemoveAt(index);
Owner.IsDirty = true;
}