/// <summary>
/// Caches the fields used for wrapped properties
/// </summary>
private void CacheFields()
{
ESRI.ArcGIS.Geodatabase.IObjectClass ftClass = base._feature.Class;
_ipidIdx = ftClass.Fields.FindField(ConfigUtil.IpidFieldName);
_bufferTubesIdx = ftClass.Fields.FindField(ConfigUtil.NumberOfBuffersFieldName);
_fibersIdx = ftClass.Fields.FindField(ConfigUtil.NumberOfFibersFieldName);
}