How to get/set PPe propertyvalues?

 1         private Plant Create_Unteranlage(PpeData oPPET, Plant oPlantN, string sBez, string sPID)
 2         {
 3             try
 4             {
 5                 Plant oPlantT = new Plant();
 6                 MultiLangString mls = new MultiLangString();
 7                 if (oPPET==null)
 8                     oPlantT.Create(oPlantN);
 9                 else
10                     oPlantT.Create(oPPET);
11 
12                 mls.Clear();
13                 mls.AddString(ISOCode.Language.L_de_DE, sBez);
14                 oPlantT.Designation = mls;
15                 oPlantT.PICode = sPID;
16 
17                 return oPlantT;
18 
19             }
20             catch (System.Exception ex)
21             {
22                 MessageBox.Show("sss: " + ex.ToString());
23 
24                 return null;
25             }
26         }
27 
28         //======================= Create loop       
29                 PctLoop oPctLoop = new PctLoop();
31                 oPctLoop.Create(false, oPlant);
33                 MultiLangString oMls = new MultiLangString();
35                 oMls.AddString(ISOCode.Language.L_de_DE, "???????????");
37                 oPctLoop.Comment = oMls;
41                 oPctLoop.Function = "";
45                 oPctLoop.TechnicalFacility = "";
49                 oPctLoop.Measurand = "RM";
50 
51                 // Nummer ="01";
52 
53                 oPctLoop.Number = "01";
54 
55                 oMls.Clear();
56 
57                 oMls.AddString(ISOCode.Language.L_de_DE, "Bin");
58 
59                 oPctLoop.SetPropertyValue(PctLoop.PropertyGroupType.Group8, 21000, oMls);
60 
63                 // ==========   Cretae PCT - Element                   
64                 PctElement oPctElement = new PctElement();
65                 oPctElement.Create(EplApi.Ppe.DeviceGroupType.Sensors, oPctLoop);
66 
67                 oMls.Clear();
68                 oMls.AddString(ISOCode.Language.L_de_DE, "asd");
69                 oPctElement.Type = oMls;
70 
71                 oPctElement.Component = "RM01";
72 
73                //===================================
75                public Eplan.EplApi.Ppe.PctLoop Find_Loop(ref string sID, ref string sAKS, PpeData oPPE, string sBetr)
76                {
77                 PctLoopFilter oPF = new PctLoopFilter(oPPE);
78                 if (sID!="")
79                     oPF.Number = sID;                   
80  81 
82                 if (sAKS!="")
83                     oPF.Plant = sAKS; // AKS
84 
85                 PctLoop[] oLoops = oPPE.GetPctLoops(oPF);
86                 // …
87       }

 1         SelectionSet oSel = new SelectionSet();
 2         // EPLAN-Project
 3  
 4         Project oProject = oSel.GetCurrentProject(true);
 5         // PPE Project
 6  
 7         PpeData oPPE = new PpeData(oProject);
 8 
 9         String SpecNumber = "1-M-2";
10  
11         SpecificationFilter oFilter = new SpecificationFilter(oPPE);
12  
13         oFilter.SpecificationNumber = SpecNumber;
14  
15         Specification[] oSpezs = oPPE.GetSpecifications(oFilter);
16  
17         foreach (Eplan.EplApi.Ppe.Specification oSpec in oSpezs)
18         {
19  
20              String sManuf = oSpec.Manufacturer.Trim();
21              oSpec.Manufacturer = "Klöckner-Moeller";
22  
23              // get – set property-values ….
24              int PropID =123;
25              // OR
26              PropID = oPPE.ExistProperty("树形结构");
27  
28              if (PropID > 0)
29              {
30                 //oSpec.AddProperty(PropID);
31                 MultiLangString oMls = new MultiLangString();
32                 oMls.AddString(ISOCode.Language.L___, "test");
33                 oSpec.SetPropertyValue(PropID, oMls);
34              }
35  
36              MultiLangString ddd = oSpec.GetPropertyValue(PropID);
37              string a = GetMulValue(ddd);
38         }