Пример #1
0
 public int TryCeateObjectClass(IFeatureDataSet dataset, string Name, IFieldInfoCollection fields, string[] indexField, out IObjectClass oc)
 {
     oc = null;
     if (((dataset == null) || string.IsNullOrEmpty(Name)) || (fields == null))
     {
         return(-1);
     }
     try
     {
         string[] namesByType = dataset.GetNamesByType(gviDataSetType.gviDataSetObjectClassTable);
         if ((namesByType != null) && (Array.IndexOf <string>(namesByType, Name) != -1))
         {
             oc = dataset.OpenObjectClass(Name);
             return(0);
         }
         oc = dataset.CreateObjectClass(Name, fields);
         if (dataset == null)
         {
             return(-1);
         }
         IDbIndexInfo index = null;
         if (indexField != null)
         {
             foreach (string str in indexField)
             {
                 try
                 {
                     index = new DbIndexInfoClass
                     {
                         Name = string.Format("Index_{0}_{1}", oc.Id, str)
                     };
                     index.AppendFieldDefine(str, true);
                     oc.AddDbIndex(index);
                 }
                 catch (Exception exception)
                 {
                 }
             }
         }
         return(1);
     }
     catch (Exception exception2)
     {
         return(-1);
     }
 }
Пример #2
0
        private bool InitTempLib(IDataSource ds)
        {
            if (ds == null)
            {
                return(false);
            }
            IFieldInfoCollection fields     = null;
            IFieldInfo           newVal     = null;
            ISpatialCRS          spatialCRS = null;
            ITable          o   = null;
            IFeatureDataSet set = null;

            try
            {
                fields = new FieldInfoCollectionClass();
                newVal = new FieldInfoClass
                {
                    Name      = "ID",
                    Alias     = "编号",
                    FieldType = gviFieldType.gviFieldFID
                };
                fields.Add(newVal);
                newVal = new FieldInfoClass
                {
                    Name      = "LayerName",
                    Alias     = "图层名称",
                    FieldType = gviFieldType.gviFieldString,
                    Length    = 50
                };
                fields.Add(newVal);
                newVal = new FieldInfoClass
                {
                    Name      = "DataSetName",
                    Alias     = "数据集名称",
                    FieldType = gviFieldType.gviFieldString,
                    Length    = 100
                };
                fields.Add(newVal);
                newVal = new FieldInfoClass
                {
                    Name      = "FCName",
                    Alias     = "要素类名称",
                    FieldType = gviFieldType.gviFieldString,
                    Length    = 100
                };
                fields.Add(newVal);
                newVal = new FieldInfoClass
                {
                    Name      = "FCGuid",
                    Alias     = "要素类GUID",
                    FieldType = gviFieldType.gviFieldString,
                    Length    = 100
                };
                fields.Add(newVal);
                newVal = new FieldInfoClass
                {
                    Name      = "GeoType",
                    Alias     = "空间列几何类型",
                    FieldType = gviFieldType.gviFieldString,
                    Length    = 50
                };
                fields.Add(newVal);
                newVal = new FieldInfoClass
                {
                    Name      = "RenderStyle",
                    Alias     = "图层渲染样式",
                    FieldType = gviFieldType.gviFieldBlob
                };
                fields.Add(newVal);
                newVal = new FieldInfoClass
                {
                    Name      = "SourceFile",
                    Alias     = "数据来源",
                    FieldType = gviFieldType.gviFieldString,
                    Length    = 150
                };
                fields.Add(newVal);
                newVal = new FieldInfoClass
                {
                    Name      = "GroupId",
                    Alias     = "逻辑组ID",
                    FieldType = gviFieldType.gviFieldInt32
                };
                fields.Add(newVal);
                newVal = new FieldInfoClass
                {
                    Name      = "SourceType",
                    Alias     = "数据来源类型",
                    FieldType = gviFieldType.gviFieldString,
                    Length    = 50
                };
                fields.Add(newVal);
                newVal = new FieldInfoClass
                {
                    Name      = "CreateDate",
                    Alias     = "创建日期",
                    FieldType = gviFieldType.gviFieldDate
                };
                fields.Add(newVal);
                o = ds.CreateTable("Tb_TemporaryMgr", "ID", fields);
                if (o != null)
                {
                    IDbIndexInfo index = null;
                    index = new DbIndexInfoClass
                    {
                        Name = string.Format("{0}_{1}", "Tb_TemporaryMgr", "LayerName")
                    };
                    index.AppendFieldDefine("LayerName", false);
                    o.AddDbIndex(index);
                    index = new DbIndexInfoClass
                    {
                        Name = string.Format("{0}_{1}", "Tb_TemporaryMgr", "DatasetName")
                    };
                    index.AppendFieldDefine("DatasetName", false);
                    o.AddDbIndex(index);
                    index = new DbIndexInfoClass
                    {
                        Name = string.Format("{0}_{1}", "Tb_TemporaryMgr", "FCName")
                    };
                    index.AppendFieldDefine("FCName", false);
                    o.AddDbIndex(index);
                    index = new DbIndexInfoClass
                    {
                        Name = string.Format("{0}_{1}", "Tb_TemporaryMgr", "FCGuid")
                    };
                    index.AppendFieldDefine("FCGuid", false);
                    o.AddDbIndex(index);
                    index = new DbIndexInfoClass
                    {
                        Name = string.Format("{0}_{1}", "Tb_TemporaryMgr", "GeoType")
                    };
                    index.AppendFieldDefine("GeoType", false);
                    o.AddDbIndex(index);
                    index = new DbIndexInfoClass
                    {
                        Name = string.Format("{0}_{1}", "Tb_TemporaryMgr", "GroupId")
                    };
                    index.AppendFieldDefine("GroupId", false);
                    o.AddDbIndex(index);
                    index = new DbIndexInfoClass
                    {
                        Name = string.Format("{0}_{1}", "Tb_TemporaryMgr", "SourceType")
                    };
                    index.AppendFieldDefine("SourceType", false);
                    o.AddDbIndex(index);
                    Marshal.ReleaseComObject(o);
                }
                CRSFactory factory = new CRSFactoryClass();
                spatialCRS = factory.CreateFromWKT("UNKNOWNCS[\"unnamed\"]") as ISpatialCRS;
                set        = ds.CreateFeatureDataset("FeatureDataSet", spatialCRS);
                if (set != null)
                {
                    Marshal.ReleaseComObject(set);
                }
                return(true);
            }
            catch (Exception exception)
            {
                return(false);
            }
        }