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);
}
}
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);
}
}