public IFIDSet FindHistoricalDifferences(IWorkspace workspace, string historicalMarkerName, string tableName,
esriDifferenceType differenceType)
{
IHistoricalWorkspace historicalWorkspace = (IHistoricalWorkspace)workspace;
IHistoricalVersion historicalVersion =
historicalWorkspace.FindHistoricalVersionByName(historicalWorkspace.DefaultMarkerName);
IHistoricalVersion historicalVersion1 = historicalWorkspace.FindHistoricalVersionByName(historicalMarkerName);
IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)historicalVersion;
IFeatureWorkspace featureWorkspace1 = (IFeatureWorkspace)historicalVersion1;
ITable table = featureWorkspace.OpenTable(tableName);
ITable table1 = featureWorkspace1.OpenTable(tableName);
IDifferenceCursor differenceCursor = ((IVersionedTable)table).Differences(table1, differenceType, null);
IFIDSet fIDSetClass = new FIDSet();
IRow row = null;
int num = -1;
differenceCursor.Next(out num, out row);
while (num != -1)
{
fIDSetClass.Add(num);
differenceCursor.Next(out num, out row);
}
fIDSetClass.Reset();
return(fIDSetClass);
}
public void ChangeToArchivedVersion(string taskName, string timeStamp)
{
this.superTabControl1.SelectedTabIndex = 1;
IHistoricalWorkspace hws = Util.ServerWorkspace as IHistoricalWorkspace;
IVersionedWorkspace vws = hws as IVersionedWorkspace;
DateTime ts = DateTime.Parse(timeStamp);
IHistoricalVersion ver = hws.FindHistoricalVersionByTimeStamp(ts);
IMapAdmin3 ma = this.axMapControl2.Map as IMapAdmin3;
IBasicMap bmap = this.axMapControl2.Map as IBasicMap;
AppManager am = AppManager.GetInstance();
IChangeDatabaseVersion cdv = new ChangeDatabaseVersionClass();
if (am.CurrentVersion == null)
{
ma.FireChangeVersion(vws.DefaultVersion, ver as IVersion);
cdv.Execute(vws.DefaultVersion, ver as IVersion, bmap);
}
else
{
ma.FireChangeVersion(am.CurrentVersion, ver as IVersion);
cdv.Execute(am.CurrentVersion, ver as IVersion, bmap);
}
am.CurrentVersion = ver as IVersion;
am.TaskName = taskName;
LocateTask(taskName);
SetUpdateGridList(taskName);
}
private void cboHistoricalMarker_SelectedIndexChanged(object sender, EventArgs e)
{
if (this.cboHistoricalMarker.SelectedIndex != -1)
{
IHistoricalVersion version =
(this.iworkspace_0 as IHistoricalWorkspace).FindHistoricalVersionByName(
this.cboHistoricalMarker.Text);
this.lblDateTimeValue.Text = version.TimeStamp.ToString();
}
}
public void ChangeHistoricalVersionByName(IGraphicsContainer igraphicsContainer_0,
IFeatureWorkspace ifeatureWorkspace_0, string string_0)
{
try
{
if ((((igraphicsContainer_0 != null) && (ifeatureWorkspace_0 != null)) && (string_0.Length != 0)) &&
(ifeatureWorkspace_0 is IHistoricalWorkspace))
{
IHistoricalVersion version =
(ifeatureWorkspace_0 as IHistoricalWorkspace).FindHistoricalVersionByName(string_0);
if (version != null)
{
this.ChangeVersion(igraphicsContainer_0, ifeatureWorkspace_0, version as IFeatureWorkspace);
}
}
}
catch (Exception exception)
{
MessageBox.Show(exception.Message);
}
}
/// <summary>
/// 加载历史数据
/// </summary>
/// <param name="vData"></param>
/// <remarks></remarks>
private void AddHisLayer(object vData, string sfunLR, Collection <object> pHisLyrColl)
{
string dTimeStamp = string.Empty;
string strName = null;
string sHTableName = null;
string sName = null;
int i = 0;
IFeatureWorkspace pFeatureWorkspace = default(IFeatureWorkspace);
IFeatureClass pFeatCls = default(IFeatureClass);
//Dim pFeatLayer As IFeatureLayer
IFeatureLayer pFeatLyr = default(IFeatureLayer);
string strCondition = null;
if (ClsHistory.WorkSpace == null)
{
return;
}
pFeatureWorkspace = ClsHistory.WorkSpace as IFeatureWorkspace;
if (pHisLyrColl.Count == 0)
{
if (GetHisLayerColl() == false)
{
return;
}
}
try
{
if (m_sMorTSelected == "0")
{
m_pHistoricalVersion = m_pHistoricalWorkspace.FindHistoricalVersionByName(vData.ToString());
dTimeStamp = String.Format(m_pHistoricalVersion.TimeStamp.ToString(), "yyyy-MM-dd HH:mm:ss");
//格式化时间
}
else if (m_sMorTSelected == "1")
{
dTimeStamp = String.Format(vData.ToString(), "yyyy-MM-dd HH:mm:ss");
}
//FrmProgressBar progressBar = new FrmProgressBar(true);
//progressBar.SetMax(pHisLyrColl.Count);
//progressBar.SetStep(1);
//progressBar.ShowNew();
//progressBar.SetInfo("正在加载历史图层...");
for (i = 0; i < pHisLyrColl.Count; i++)
{
pFeatLyr = pHisLyrColl[i] as IFeatureLayer;
strName = ((IDataset)pFeatLyr.FeatureClass).Name;
//查找对应的历史图层名_H%
try
{
sHTableName = ClsHistory.GetTableNameRec(strName, ClsHistory.Connection);
if (string.IsNullOrEmpty(sHTableName))
{
MessageBoxEx.Show("不存在'" + strName + "'图层的历史数据！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
//progressBar.PerformOneStep();
continue;
}
}
catch (Exception)
{
//progressBar.PerformOneStep();
continue;
}
//按时间戳进行点查询
strCondition = "GDB_FROM_DATE <= TO_DATE('" + Convert.ToString(dTimeStamp) + "','yyyy-MM-dd HH24:mi:ss') AND GDB_TO_DATE > TO_DATE('" + Convert.ToString(dTimeStamp) + "','yyyy-MM-dd HH24:mi:ss')";
IQueryFilter pFilter = default(IQueryFilter);
IFeatureLayer pTmpLayer = default(IFeatureLayer);
IFeatureLayer pNewFeatLyr = default(IFeatureLayer);
IFeatureLayerDefinition2 pFeatLayerDef = default(IFeatureLayerDefinition2);
IFeatureSelection pFeatSel = default(IFeatureSelection);
pFilter = new QueryFilter();
pFilter.SubFields = "*";
pFilter.WhereClause = strCondition;
pFeatCls = pFeatureWorkspace.OpenFeatureClass(sHTableName);
pTmpLayer = new FeatureLayer();
pTmpLayer.FeatureClass = pFeatCls;
pFeatSel = pTmpLayer as IFeatureSelection;
pFeatSel.SelectFeatures(pFilter, esriSelectionResultEnum.esriSelectionResultNew, false);
pFeatLayerDef = pTmpLayer as IFeatureLayerDefinition2;
pFeatLayerDef.DefinitionExpression = strCondition;
//IFields fields = pTmpLayer.FeatureClass.Fields;
//int indext = fields.FindField("GDB_FROM_DATE");
//object str = pTmpLayer.FeatureClass.GetFeature(1).get_Value(indext);
//string str=pTmpLayer.FeatureClass.get
//对历史图层命名
if (m_sMorTSelected == "0")
{
sName = strName + "[" + vData + "]";
}
else if (m_sMorTSelected == "1")
{
sName = strName + "[" + Convert.ToString(dTimeStamp) + "]";
}
else
{
//progressBar.CloseBar();
return;
}
//按照选择集生成新的图层pNewFeatLyr
pNewFeatLyr = pFeatLayerDef.CreateSelectionLayer(sName, true, "", "");
//添加历史图层到对应的MapCtl中
if (sfunLR == "0")
{
if (this.MapLeft.Map != null)
{
if (LayerExist((Map)this.MapLeft.Map, sName) == false)
{
//MapLeft.ClearLayers();
MapLeft.Map.AddLayer(pNewFeatLyr);
}
}
}
else if (sfunLR == "1")
{
if (this.MapRight.Map != null)
{
if (LayerExist((Map)this.MapRight.Map, sName) == false)
{
//MapRight.ClearLayers();
MapRight.Map.AddLayer(pNewFeatLyr);
}
}
}
//progressBar.PerformOneStep();
}
}
catch (Exception)
{
//g_ErrorHandle.HandleError(true, "错误文件名：" + "WHFHistory_frmHisDoubView" + "；错误过程名：AddHisLayer" + "；错误行数： " + g_ErrorHandle.GetErrorLineNumberString(Erl()), Err().Number, Err().Source, Err().Description);
}
finally
{
//if (frmCnProgress.IsDisposed == false)
// frmCnProgress.Close();
}
}