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   [CommandMethod("Cr_Proj_Prof")]
   public void Cr_Proj_Prof()
   {
       Document DocCad = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
       Editor DocEditor = DocCad.Editor;
       Database DocData = DocCad.Database;
       CivilDocument CivilDocumento = CivilApplication.ActiveDocument;
       PromptStringOptions prefixOptions = new PromptStringOptions("\nInsira o prefixo para os perfis de projeto: ");
       PromptResult prefixResult = DocEditor.GetString(prefixOptions);
       if (prefixResult.Status != PromptStatus.OK) return;
       string prefix = prefixResult.StringResult;
       using (Transaction tr = DocData.TransactionManager.StartTransaction())
       {
           LayerTable TabelaLayers = tr.GetObject(DocData.LayerTableId, OpenMode.ForRead) as LayerTable;
           ObjectId IDLayer = TabelaLayers["0"];
           try
           {               
               ObjectIdCollection alignments = CivilDocumento.GetAlignmentIds();
               foreach (ObjectId alignmentId in alignments)
               {
                   Alignment alignment = tr.GetObject(alignmentId, OpenMode.ForRead) as Alignment;
                   if (alignment == null) continue;                  
                   string projectName = $"{prefix}_{alignment.Name}";
                   Profile profile = CreateProfile(tr, alignment, projectName, IDLayer);                  
                   AdjustProfileElevations(tr, profile, alignment);
                   DocEditor.WriteMessage($"\nPerfil de projeto '{projectName}' criado para o alinhamento '{alignment.Name}'.");
               }
               tr.Commit();
           }
           catch (System.Exception ex)
           {
               DocEditor.WriteMessage($"\nErro: {ex.Message}");
           }
       }
   }
   private Profile CreateProfile(Transaction tr, Alignment alignment, string profileName, ObjectId IDLayer)
   {
       ObjectIdCollection profileIds = alignment.GetProfileIds();
       Profile newProfile = null;
       CivilDocument DocCivil = Autodesk.Civil.ApplicationServices.CivilApplication.ActiveDocument;
       ObjectId IDNovoEstilo = DocCivil.Styles.ProfileStyles.Add(profileName);
       ObjectId IDLabel = DocCivil.Styles.LabelSetStyles.ProfileLabelSetStyles[0];
       ObjectId profileId = Profile.CreateByLayout(profileName,  alignment.ObjectId, IDLayer ,IDNovoEstilo, IDLabel);
           newProfile = tr.GetObject(profileId, OpenMode.ForWrite) as Profile;         
       return newProfile;
   }
   private void AdjustProfileElevations(Transaction tr, Profile profile, Alignment alignment)
   {
       ObjectIdCollection existingProfiles = alignment.GetProfileIds();
       Profile terrainProfile = null;
       foreach (ObjectId profileId in existingProfiles)
       {
           Profile tempProfile = tr.GetObject(profileId, OpenMode.ForRead) as Profile;
           if (tempProfile != null && tempProfile.StyleName == "Terreno") 
           {
               terrainProfile = tempProfile;
               break;
           }
       }
       if (terrainProfile == null)
       {
           throw new System.Exception("Perfil de terreno não encontrado.");
       }
       double startStation = alignment.StartingStation;
       double endStation = alignment.EndingStation;
       double startElevation = terrainProfile.ElevationAt(startStation);
       double endElevation = terrainProfile.ElevationAt(endStation);
       profile.UpgradeOpen();

       ProfilePVICollection pviCollection = profile.PVIs;
       if (pviCollection.Count > 0)
       {
           pviCollection[0].Elevation = startElevation;
           pviCollection[pviCollection.Count - 1].Elevation = endElevation;
       }
       else
       {
           profile.PVIs.AddPVI(startStation, startElevation);
           profile.PVIs.AddPVI(endStation, endElevation);
       }
       profile.DowngradeOpen();
   }