public override void AddVariableField(IVariableField field)
{
if (field is IControlField)
{
var controlField = (IControlField)field;
var tag = controlField.Tag;
if (Verifier.IsControlNumberField(tag))
{
if (Verifier.HasControlNumberField(GetControlFields()))
{
ControlFields[0] = controlField;
}
else
{
ControlFields.Insert(0, controlField);
}
ControlFields.Sort();
}
else if (Verifier.IsControlField(tag))
{
ControlFields.Add(controlField);
ControlFields.Sort();
}
}
else
{
DataFields.Add((IDataField)field);
DataFields.Sort();
}
}
