/// <summary>
/// Insert a field at the desired index. If the field already exists in the mesg it is first removed.
/// </summary>
/// <param name="index">Index to insert the field, if index is out of range, the field is added to the end of the list</param>
/// <param name="field">Caller allocated field</param>
public void InsertField(int index, Field field)
{
// if message already contains this field, remove it
for (int i = 0; i < FieldsList.Count; i++)
{
if (FieldsList[i].Num == field.Num)
{
FieldsList.RemoveAt(i);
}
}
// if the index is out of range, add to the end
if (index < 0 || index > FieldsList.Count)
{
FieldsList.Add(field);
}
// insert the new field at desired index
else
{
FieldsList.Insert(index, field);
}
}