// Construction
public Enumerator(RowCollection tc)
{
m_collection = tc;
m_index = -1;
m_version = tc.m_version;
}
/// <summary>
/// Creates a new row collection object based on an existing one.
/// </summary>
/// <param name="collection"></param>
public RowCollection(RowCollection collection)
{
AddRange(collection);
}