private void cbxNewKQ_SelectedIndexChanged(object sender, EventArgs e)
{
//变量声明
mcFields Fields = null;
IVectorCls VecCls = null;
//打开简单要素类
VecCls = m_gdbObj.get_XClass(meXClsType.meXSFCls) as IVectorCls;
VecCls.Open(this.cbxNewKQ.SelectedItem.ToString(), 0);
//直接取它的属性结构
VecCls.GetFields(out Fields);
for (short i = 0; i < Fields.numbfield; i++)
{
this.cbxNewField.Items.Add(Fields.get_fldEntry(i).fieldname);
}
}
private static void SpatialDataAutoUpdate(mcGDBServer GDBSvr, mcGDataBase GDB, mcGDataBase GDB_source,
mcQueryDef QueryDef, mcQueryDef QueryDef_source, string data, string data_source, string field, string field_source)
{
//变量定义
mcRecordSet RecordSet = null;
mcRecordSet RecordSet_source = null;
IVectorCls VecCls_data = null;
IVectorCls VecCls_source_data = null;
try
{
//打开待分析数据
VecCls_data = GDB.get_XClass(meXClsType.meXSFCls) as IVectorCls;
VecCls_data.Open(data, 0);
VecCls_source_data = GDB_source.get_XClass(meXClsType.meXSFCls) as IVectorCls;
VecCls_source_data.Open(data_source, 0);
VecCls_data.Select(QueryDef, out RecordSet);
VecCls_source_data.Select(QueryDef_source, out RecordSet_source);
int SfcID = 0;
SfcID = RecordSet.MoveFirst();
while (!RecordSet.IsEOF())
{
mcRecord record = null;
mcFields Fields = null;
IGeometry geo = null;
IGeomInfo geoInfo = null;
object val = null;
mcObjectID mID = new mcObjectID();
RecordSet.Get(out geo, out record, out geoInfo);
record.GetFields(out Fields);
record.GetFldVal(field, out val);
int SfcID_source = 0;
bool flag = true;
SfcID_source = RecordSet_source.MoveFirst();
while (!RecordSet_source.IsEOF())
{
mcObjectID id_source = new mcObjectID();
mcRecord record_source = null;
mcFields Fields_source = null;
IGeometry geo_source = null;
IGeomInfo geoInfo_source = null;
object val_source = null;
RecordSet_source.Get(out geo_source, out record_source, out geoInfo_source);
RecordSet_source.GetID(out id_source);
record_source.GetFields(out Fields_source);
record_source.GetFldVal(field_source, out val_source);
//找到新旧数据中对应的矿体
if (val.ToString().Equals(val_source.ToString()))
{
flag = false;
VecCls_source_data.Del(id_source);
VecCls_source_data.Append(geo, record, geoInfo);
//更新原始数据结果集 要不会报空指针错误
VecCls_source_data.Select(QueryDef, out RecordSet_source);
break;
}
SfcID_source = RecordSet_source.MoveNext();
}
//判断是否是新增矿体 新增矿体直接添加
if (flag)
{
VecCls_source_data.Append(geo, record, geoInfo);
//更新原始数据结果集 要不会报空指针错误
VecCls_source_data.Select(QueryDef, out RecordSet_source);
}
SfcID = RecordSet.MoveNext();
}
}
catch (Exception ex)
{
throw new Exception("更新出错啦！");
}
finally
{
//关闭类、数据库、断开数据源
VecCls_data.Close();
VecCls_source_data.Close();
}
}