private int GetRnColIndex()
{
var rnCol = TOM_Collection.FirstOrDefault(c => c.Type == TOM.ColumnType.RowNumber);
if (rnCol != null)
{
return(TOM_Collection.IndexOf(rnCol));
}
return(-1);
}
internal override int IndexOf(TOM.MetadataObject value)
{
var ix = TOM_Collection.IndexOf(value as TOM.Column);
var rnIx = GetRnColIndex();
if (ix == rnIx)
{
throw new KeyNotFoundException();
}
if (ix > rnIx && rnIx > -1)
{
ix--;
}
return(ix);
}
