protected override void OnClick()
{
ICadastralEditor pCadEd = (ICadastralEditor)ArcMap.Application.FindExtensionByName("esriCadastralUI.CadastralEditorExtension");
IParcelEditManager pParcEditorMan = (IParcelEditManager)pCadEd;
ICadastralExtensionManager pCadMan = pCadEd as ICadastralExtensionManager;
ICadastralPacketManager pCadPacketMan = (ICadastralPacketManager)pCadEd;
//bool bStartedWithPacketOpen = pCadPacketMan.PacketOpen;
if (!(pCadMan.ContextItem is IGSLine))
{
return;
}
IGSLine pGSLine = pCadMan.ContextItem as IGSLine;
if (pParcEditorMan == null)
{
return;
}
IEditor pEd = (IEditor)ArcMap.Application.FindExtensionByName("esri object editor");
if (pEd.EditState == esriEditState.esriStateNotEditing)
{
MessageBox.Show("Please start editing and try again.");
return;
}
IParcelConstruction pConstr = pParcEditorMan.ParcelConstruction;
ICadastralLinePoints2Ex pCadLPsEx = pConstr as ICadastralLinePoints2Ex;
ILongArray pLngArrBefore = pCadLPsEx.LinePoints;
List <int> lstLPBefore = new List <int>();
for (int i = 0; i < pLngArrBefore.Count; i++)
{
lstLPBefore.Add(pLngArrBefore.get_Element(i));
}
//first get the current set of breakpoints
Utilities FabUTILS = new Utilities();
FabUTILS.ExecuteCommand("{9987F18B-8CC4-4548-8C41-7DB51F289BB3}"); //Run COTS Breakline command
ILongArray pLngArrAfter = pCadLPsEx.LinePoints;
List <int> lstLPAfter = new List <int>();
for (int i = 0; i < pLngArrAfter.Count; i++)
{
lstLPAfter.Add(pLngArrAfter.get_Element(i));
}
List <int> lstNewBreakPoints = lstLPAfter.Except(lstLPBefore).ToList();
if (lstNewBreakPoints.Count == 0)
{
return;
}
IParcelConstruction4 pConstr4 = pConstr as IParcelConstruction4;
ICadastralPoints pCadastralPts = pConstr4 as ICadastralPoints;
IEnumCELines pCELines = new EnumCELinesClass();
IEnumGSLines pEnumGSLines = (IEnumGSLines)pCELines;
pCELines.Add(pGSLine);
//check if it's a construction line or parent line
bool bIsParentLine = true;
IEnumGSLines pEnumGSConstructionLines = pConstr4.GetLines(false, false);
IGSLine pGSTestLine = null;
IGSParcel pGSParc = null;
pEnumGSConstructionLines.Reset();
pEnumGSConstructionLines.Next(ref pGSParc, ref pGSTestLine);
while (pGSTestLine != null)
{
if ((pGSLine.FromPoint == pGSTestLine.FromPoint) && (pGSLine.ToPoint == pGSTestLine.ToPoint))
{
bIsParentLine = false;
break;
}
pEnumGSConstructionLines.Next(ref pGSParc, ref pGSTestLine);
}
IParcelLineFunctions3 pParcLineFunctions = new ParcelFunctionsClass();
IEnumGSLines pNewLinesEnum = pParcLineFunctions.BreakLinesAtLinePoints(pEnumGSLines, pCadastralPts, true, false);
IGSParcel pGSParcel = null;
IGSLine pGSNewLine = null;
ICadastralUndoRedo pCadUndoRedo = pConstr as ICadastralUndoRedo;
pCadUndoRedo.StartUndoRedoSession("Break-line");
pNewLinesEnum.Reset();
pNewLinesEnum.Next(ref pGSParcel, ref pGSNewLine);
while (pGSNewLine != null)
{
pConstr4.InsertGridRow(-1, pGSNewLine, true);
pNewLinesEnum.Next(ref pGSParcel, ref pGSNewLine);
}
ICadastralUnbuildableLines pUnbuildable = pConstr4 as ICadastralUnbuildableLines;
if (bIsParentLine)
{
pUnbuildable.AddLine(pGSLine);
}
else
{
pConstr4.Planarize(0.001); //delete the original construction line
}
pCadUndoRedo.WriteUndoRedoSession(true);
}