/// <summary>
/// Get IEnumNetEID from List of IEIDInfo
/// </summary>
/// <param name="eidInfos">list of IEIDInfo</param>
/// <param name="elementType">element type of eid</param>
/// <returns>object IEnumNetEID</returns>
internal static IEnumNetEID GetEnumNetEID(List <IEIDInfo> eidInfos, esriElementType elementType)
{
IEnumNetEIDBuilderGEN enumNetEIDBuilder = new EnumNetEIDArrayClass();
enumNetEIDBuilder.ElementType = elementType;
foreach (IEIDInfo eidInfo in eidInfos)
{
enumNetEIDBuilder.Add(eidInfo.EID);
}
return(enumNetEIDBuilder as IEnumNetEID);
}
private IEnumNetEID GetEnumNetEID(int eidToStartFrom, Dictionary<int, int> pathDictionary, INetwork network, IGeometricNetwork geomNet, esriElementType elemType)
{
IEnumNetEIDBuilder enumEIDBuilder = new EnumNetEIDArrayClass();
enumEIDBuilder.Network = network;
enumEIDBuilder.ElementType = elemType;
if (eidToStartFrom == -1)//Add all elements to the return dictionary
{
foreach (KeyValuePair<int, int> kvp in pathDictionary)
{
int eid = kvp.Key;
//Only add to the builder if the element type (junction or edge) is of the type we are looking for
if (((eid < 0) && elemType == esriElementType.esriETEdge) || ((eid > 0) && elemType == esriElementType.esriETJunction))
{
enumEIDBuilder.Add(Math.Abs( eid));
}
}
}
else
{
int eid = eidToStartFrom;
while (eid != -99999999) // -99999999 means that there is no parent
{
if (((eid < 0) && elemType == esriElementType.esriETEdge) || ((eid > 0) && elemType == esriElementType.esriETJunction))
{
enumEIDBuilder.Add(Math.Abs( eid));
}
//Get the junction or edge that feeds this junction or edge
eid = pathDictionary[eid];
}
}
return enumEIDBuilder as IEnumNetEID;
}
public IEnumNetEID ConvertTracedElementsCollectionToEnumNetEid(IMMTracedElements tracedElements, INetwork network)
{
IEnumNetEID resultEnum = null;
try
{
// we have a feedpath, now we want to extract all the elements of one type and
// put them in an esri enumneteid so we can display it on the map or other fun stuff
IEnumNetEIDBuilder enumNetEIDBuilder = new EnumNetEIDArrayClass();
enumNetEIDBuilder.Network = network;
enumNetEIDBuilder.ElementType = (esriElementType)tracedElements.ElementType;
INetElements netElements = network as INetElements;
if ((netElements != null) && (esriElementType.esriETEdge == (esriElementType)tracedElements.ElementType))
{
tracedElements.Reset();
IMMTracedElement tracedElement = tracedElements.Next();
while (tracedElement != null)
{
IEnumNetEID tempEnumNetEID = netElements.GetEIDs(tracedElement.FCID, tracedElement.OID, esriElementType.esriETEdge);
tempEnumNetEID.Reset();
for (int eid = tempEnumNetEID.Next(); eid > 0; eid = tempEnumNetEID.Next())
{
enumNetEIDBuilder.Add(eid);
}
tracedElement = tracedElements.Next();
}
}
else
{
tracedElements.Reset();
IMMTracedElement tracedElement = tracedElements.Next();
while (tracedElement != null)
{
enumNetEIDBuilder.Add(tracedElement.EID);
tracedElement = tracedElements.Next();
}
}
if (enumNetEIDBuilder == null)
{
this.Logger.WriteLine("Builder is null");
}
resultEnum = enumNetEIDBuilder as IEnumNetEID;
}
catch (Exception EX)
{
this.Logger.WriteLine(" ConvertTracedElements:" + EX.Message + " " + EX.StackTrace);
}
return resultEnum;
}