private void iQueryByLayerToolStripMenuItem_Click(object sender, EventArgs e)
{
Stopwatch myWatch = Stopwatch.StartNew();
//从MapControl中获取的点图层
IFeatureLayer pointFeatureLayer = axMapControl1.get_Layer(0) as IFeatureLayer;
IFeatureSelection pointFeatureSelection = pointFeatureLayer as IFeatureSelection;
//从MapControl中获取的面图层
IFeatureLayer polygonFeatureLayer = axMapControl1.get_Layer(1) as IFeatureLayer;
//构建QueryByLayer
IQueryByLayer queryByLayer = new QueryByLayerClass();
queryByLayer.FromLayer = pointFeatureLayer;
queryByLayer.ByLayer = polygonFeatureLayer;
queryByLayer.LayerSelectionMethod = esriLayerSelectionMethod.esriLayerSelectCompletelyWithin;
//该参数需要设置
queryByLayer.UseSelectedFeatures = false;
ISelectionSet selectionSet = queryByLayer.Select();
pointFeatureSelection.SelectionSet = selectionSet;
int count = pointFeatureSelection.SelectionSet.Count;
axMapControl1.Refresh();
myWatch.Stop();
string time = myWatch.Elapsed.TotalSeconds.ToString();
MessageBox.Show("The selected point count is " + count.ToString() + "! and " + time + " Seconds");
}
private long SpatialSelect(string sSedCoreLayer, string sSounderLayer, double dblRange, esriUnits eEsriUnitsContant)
{
IMxDocument pmxdoc = ArcMap.Document as IMxDocument;
IMap pmap = pmxdoc.FocusMap;
IFeatureSelection pFSel = FindLayer(pmap, sSedCoreLayer) as IFeatureSelection;
//pFSel.Clear();
IQueryByLayer pQBLayer = new QueryByLayerClass();
pQBLayer.ByLayer = FindLayer(pmap, sSounderLayer) as IFeatureLayer;
pQBLayer.FromLayer = pFSel as IFeatureLayer;
pQBLayer.BufferDistance = dblRange;
pQBLayer.BufferUnits = eEsriUnitsContant;
pQBLayer.ResultType = esriSelectionResultEnum.esriSelectionResultAdd;
pQBLayer.LayerSelectionMethod = esriLayerSelectionMethod.esriLayerSelectIntersect;
pQBLayer.UseSelectedFeatures = true;
pFSel.SelectionSet = pQBLayer.Select();
return(pFSel.SelectionSet.Count);
}
private void selectFeatures()
{
IQueryByLayer _qrBl = new QueryByLayerClass();
int method=cbxMethod.SelectedIndex;
switch (method)
{
case 0:
_method = esriLayerSelectionMethod.esriLayerSelectIntersect;
break;
case 1:
_method = esriLayerSelectionMethod.esriLayerSelectContainedBy;
break;
case 2:
_method = esriLayerSelectionMethod.esriLayerSelectContains;
break;
default:
_method = esriLayerSelectionMethod.esriLayerSelectIntersect;
break;
}
int selectLayer = cbxSelectLayer.SelectedIndex;
_byLayer = _mapControl.get_Layer(selectLayer);
int resultType=cbxResultType.SelectedIndex;
switch (resultType)
{
case 0:
_resultType = esriSelectionResultEnum.esriSelectionResultNew;
break;
case 1:
_resultType = esriSelectionResultEnum.esriSelectionResultAdd;
break;
case 2:
_resultType = esriSelectionResultEnum.esriSelectionResultSubtract;
break;
case 3:
_resultType = esriSelectionResultEnum.esriSelectionResultAnd;
break;
case 4:
_resultType = esriSelectionResultEnum.esriSelectionResultXOR;
break;
default:
_resultType = esriSelectionResultEnum.esriSelectionResultNew;
break;
}
if (chkUseSelected.CheckState == CheckState.Unchecked)
{
_useSelected = false;
}
else
{
_useSelected = true;
}
bool re = false;
try
{
re = double.TryParse(txtBuffer.Text, out _buffer);
}
catch { }
if (!re)
{
_buffer = 0;
}
int unit = cbxUnit.SelectedIndex;
switch (unit)
{
case 0:
_bufferUnit = esriUnits.esriCentimeters;
break;
case 1:
_bufferUnit = esriUnits.esriDecimeters;
break;
case 2:
_bufferUnit = esriUnits.esriMeters;
break;
case 3:
_bufferUnit = esriUnits.esriKilometers;
break;
default:
_bufferUnit = esriUnits.esriMeters;
break;
}
_qrBl.ByLayer = (IFeatureLayer)_byLayer;
_qrBl.LayerSelectionMethod = _method;
_qrBl.ResultType = _resultType;
_qrBl.UseSelectedFeatures = _useSelected;
_qrBl.BufferDistance = _buffer;
_qrBl.BufferUnits = _bufferUnit;
foreach (object o in lstInputLayer.SelectedItems)
{
int index = lstInputLayer.Items.IndexOf(o);
_fromLayer = _mapControl.get_Layer(index);
_qrBl.FromLayer = (IFeatureLayer)_fromLayer;
ISelectionSet selectionSet;
IFeatureSelection featureSelection;
try
{
selectionSet = _qrBl.Select();
featureSelection = (IFeatureSelection)_fromLayer;
featureSelection.SelectionSet = selectionSet;
//MessageBox.Show("line 255 count=" + selectionSet.Count);
}
catch(Exception ex)
{ //MessageBox.Show("line 257 SelectByLocation, ex=" + ex);
continue; }
}
_mapControl.ActiveView.Refresh();
}
ISelectionSet ISpatialAlgrorithm.Execute()
{
SdeConnection conn = new SdeConnection();
ISdeConnectionInfo sdeConn = conn as ISdeConnectionInfo;
IFeatureWorkspace fw = (IFeatureWorkspace)sdeConn.Workspace;
ITnFeatureClassName fcName = new TnFeatureClassName(sdeConn.Workspace);
ITnTableName tblName = new TnTableName(sdeConn.Workspace);
IFeatureClass xaFeatureClass = fw.OpenFeatureClass(fcName.FC_RANH_XA_POLY.NAME);
IFeatureLayer xaFeatureLayer = new FeatureLayerClass();
xaFeatureLayer.FeatureClass = xaFeatureClass;
IFeatureClass duongFeatureClass = fw.OpenFeatureClass(fcName.FC_DUONG.NAME);
IFeatureLayer duongFeatureLayer = new FeatureLayerClass();
duongFeatureLayer.FeatureClass = duongFeatureClass;
//IQueryFilter qrf = new QueryFilterClass();
//qrf.WhereClause = string.Format("{0}='{1}'", fcName.FC_RANH_XA_POLY.MA_XA, 5);
//ISelectionSet xaSelectionSet = xaFeatureClass.Select(qrf, esriSelectionType.esriSelectionTypeHybrid, esriSelectionOption.esriSelectionOptionOnlyOne, sdeConn.Workspace);
//IFeatureSelection xaFeatureSelection = (IFeatureSelection)xaFeatureLayer;
//xaFeatureSelection.SelectionSet = xaSelectionSet;
//if (this._fromLayer == null || this._byLayer == null)
//{
// return null;
//}
//this._resultSelectionSet=this._queryByLayer.Select();
//IFeatureLayer f=new FeatureLayerClass();
//f.FeatureClass=this._frmFc;
//IFeatureLayer b=new FeatureLayerClass();
//b.FeatureClass = this._byFc;
//IFeatureSelection fs = (IFeatureSelection)this._byLayer;
//MessageBox.Show(fs.SelectionSet.Count.ToString());
IQueryByLayer qrbl = new QueryByLayerClass();
qrbl.FromLayer = duongFeatureLayer;
qrbl.ByLayer = xaFeatureLayer;
qrbl.LayerSelectionMethod = esriLayerSelectionMethod.esriLayerSelectIntersect;
qrbl.ResultType = esriSelectionResultEnum.esriSelectionResultNew;
qrbl.UseSelectedFeatures = true;
ISelectionSet sl = qrbl.Select();
MessageBox.Show("Line 125 AlgTimDuong:"+sl.Count.ToString());
//MessageBox.Show(xaFeatureLayer.FeatureClass.AliasName);
try
{
//this._resultSelectionSet = this._queryByLayer.Select();
//this._resultSelectionSet =qrbl.Select();
//MessageBox.Show(string.Format("line 120 AlgrithmTimDuong, so luong duong:{0}", this._resultSelectionSet.Count));
}
catch(Exception e)
{
MessageBox.Show(e.ToString());
}
//this._resultSelectionSet = sls;
//Dang bi loi cho nay
this._resultFeatureSelection = (IFeatureSelection)this._resultLayer;
this._resultFeatureSelection.SelectionSet = this._resultSelectionSet;
return this._resultSelectionSet;
}
public void EvaluateQuery()
{
if (this._expr == "")
{
return;
}
//SelectLayerByLocation SelectByLocation;
Geoprocessor gp = new Geoprocessor();
string[] exprArr = Regex.Split(_expr, ExpressionKeyWords.Then);
//MessageBox.Show(_expr);
if (exprArr.Length == 0 || exprArr == null)
{
MessageBox.Show("ko co expr");
return;
}
try
{
//_selectFLayer.Name = _selectFLayer.FeatureClass.AliasName;
//_byFLayer.Name = _byFLayer.FeatureClass.AliasName;
//_selectLayer = (ILayer)_selectFLayer;
//_byLayer = (ILayer)_byFLayer;
//string selectLyrFile = string.Format("{0}/{1}", sysTempPath.TempPath, "selectLayer.lyr");
//string byLyrFile = string.Format("{0}/{1}", sysTempPath.TempPath, "byLayer.lyr");
//dataManager.SaveToLayerFile(_selectLayer, selectLyrFile);
//dataManager.SaveToLayerFile(_byLayer, byLyrFile);
foreach (string s in exprArr)
{
//MessageBox.Show("close");
Expression e = new Expression(s.Trim());
e.Parameters[ExpressionParameters.Intersect] = ExpressionParameters.Intersect;
e.Parameters[ExpressionParameters.NewSelection] = ExpressionParameters.NewSelection;
e.Parameters[ExpressionParameters.AndSelection] = ExpressionParameters.AndSelection;
e.Parameters[ExpressionParameters.ContainedBy] = ExpressionParameters.ContainedBy;
e.Parameters[ExpressionParameters.SubtractSelection] = ExpressionParameters.SubtractSelection;
//MessageBox.Show(e.Parameters.Count.ToString());
//foreach (string k in e.Parameters.Keys)
//{
// MessageBox.Show(k);
// e.Parameters[k] = k;
//}
//e.EvaluateParameter += delegate(string name, ParameterArgs args)
//{
// if (name == "INTERSECT")
// args.Result = "INTERSECT";
// if (name == "NEW_SELECTION")
// args.Result = "NEW_SELECTION";
// if (name == "SUBSET_SELECTION")
// args.Result = "SUBSET_SELECTION";
//};
//e.EvaluateParameter += delegate(string name, ParameterArgs args)
//{
// if (name == "NEW_SELECTION")
// args.Result = "NEW_SELECTION";
//};
//e.EvaluateParameter += delegate(string name, ParameterArgs args)
//{
// if (name == "SUBSET_SELECTION")
// args.Result = "SUBSET_SELECTION";
//};
e.EvaluateFunction += delegate(string name, FunctionArgs args)
{
//ham chonglop co 3 tham so: selectMethod,resultType,distance
//ham chontheothuoctinh co 2 tham so: resultType,dieukien
if (name == ExpressionFunctions.ChonThuaTheoDuong)
{
IQueryByLayer _qrBl = new QueryByLayerClass();
_qrBl.FromLayer = _thuaFl;
_qrBl.ByLayer = _duongFl;
_qrBl.LayerSelectionMethod = (esriLayerSelectionMethod)GeoprocessorConstant.GetSelectionMethod(args.Parameters[0].Evaluate().ToString());
_qrBl.ResultType = (esriSelectionResultEnum)GeoprocessorConstant.GetSelectionResult(args.Parameters[1].Evaluate().ToString());
_qrBl.UseSelectedFeatures = true;
double buf;
bool re = double.TryParse(args.Parameters[2].Evaluate().ToString(), out buf);
if (!re)
{
buf = 0;
}
_qrBl.BufferDistance = buf; //can them config gia tri nay
//MessageBox.Show(string.Format("line 227 Evaluation thua={0},duong={1},buf={2}", _thuaFl.FeatureClass.AliasName,_duongFl.FeatureClass.AliasName,buf));
ISelectionSet thuaSelectionSet=null;
try
{
thuaSelectionSet = _qrBl.Select();
IFeatureSelection fs = (IFeatureSelection)_thuaFl;
fs.SelectionSet = thuaSelectionSet;
//MessageBox.Show(string.Format("line 225 Evaluation {0}, {1}", buf, thuaSelectionSet.Count));
}
catch (Exception ex) {
//MessageBox.Show(String.Format("line 244 Evaluation, ex={0}", ex));
}
//!ko xai duoc cha noi SelectLayerByLocation
//MessageBox.Show(thuaSelectionSet.Count.ToString());
/*
SelectByLocation = new SelectLayerByLocation();
SelectByLocation.in_layer = _selectFLayer;
SelectByLocation.select_features = _byFLayer;
//SelectByLocation.out_layer_or_view = selectLyrFile;
SelectByLocation.overlap_type = "INTERSECT";//args.Parameters[0].Evaluate().ToString();
SelectByLocation.selection_type = "NEW_SELECTION"; //args.Parameters[1].Evaluate().ToString();
SelectByLocation.search_distance = 1;// args.Parameters[2].Evaluate();
IFeatureSelection fls = (IFeatureSelection)_byFLayer;
MessageBox.Show(fls.SelectionSet.Count.ToString());
runTool(gp, SelectByLocation, null);
MessageBox.Show(fs.SelectionSet.Count.ToString());
* */
args.Result = 1;
}
else if (name == ExpressionFunctions.ChonThuaTheoHemChinh)
{
IQueryByLayer _qrBl = new QueryByLayerClass();
_qrBl.FromLayer = _thuaFl;
_qrBl.ByLayer = _hemchinhFl;
_qrBl.LayerSelectionMethod = (esriLayerSelectionMethod)GeoprocessorConstant.GetSelectionMethod(args.Parameters[0].Evaluate().ToString());
_qrBl.ResultType = (esriSelectionResultEnum)GeoprocessorConstant.GetSelectionResult(args.Parameters[1].Evaluate().ToString());
_qrBl.UseSelectedFeatures = true;
double buf;
bool re = double.TryParse(args.Parameters[2].Evaluate().ToString(), out buf);
if (!re)
{
buf = 0;
}
_qrBl.BufferDistance = buf; //can them config gia tri nay
ISelectionSet thuaSelectionSet=null;
try
{
thuaSelectionSet = _qrBl.Select();
IFeatureSelection fs = (IFeatureSelection)_thuaFl;
fs.SelectionSet = thuaSelectionSet;
}
catch { }
args.Result = 1;
}
else if (name == ExpressionFunctions.ChonThuaTheoTtXa)
{
IQueryByLayer _qrBl = new QueryByLayerClass();
_qrBl.FromLayer = _thuaFl;
_qrBl.ByLayer = _ttXaFl;
_qrBl.LayerSelectionMethod = (esriLayerSelectionMethod)GeoprocessorConstant.GetSelectionMethod(args.Parameters[0].Evaluate().ToString());
_qrBl.ResultType = (esriSelectionResultEnum)GeoprocessorConstant.GetSelectionResult(args.Parameters[1].Evaluate().ToString());
_qrBl.UseSelectedFeatures = true;
double buf;
bool re = double.TryParse(args.Parameters[2].Evaluate().ToString(), out buf);
if (!re)
{
buf = 0;
}
_qrBl.BufferDistance = buf; //can them config gia tri nay
ISelectionSet thuaSelectionSet = null;
try
{
thuaSelectionSet = _qrBl.Select();
IFeatureSelection fs = (IFeatureSelection)_thuaFl;
fs.SelectionSet = thuaSelectionSet;
}
catch { }
args.Result = 1;
}
else if (name == "ChonTheoThuocTinh")
{
SdeConnection conn = new SdeConnection();
ISdeConnectionInfo sdeConn = (ISdeConnectionInfo)conn;
IQueryFilter qrf = new QueryFilterClass();
qrf.WhereClause = args.Parameters[0].Evaluate().ToString();
ISelectionSet sls = _thuaFl.FeatureClass.Select(qrf, esriSelectionType.esriSelectionTypeHybrid, esriSelectionOption.esriSelectionOptionNormal, sdeConn.Workspace);
IFeatureSelection fs = (IFeatureSelection)_thuaFl;
fs.SelectionSet = sls;
//MessageBox.Show("chonthuoctinh: "+args.Parameters[0].Evaluate().ToString());
args.Result = 1;
}
else if (name == "Where")
{
args.Parameters[0].Parameters["dorong"] = "dorong";
//MessageBox.Show(args.Parameters[0].Evaluate().ToString());
args.Result = args.Parameters[0].Evaluate().ToString();
}
};
//Debug.Assert(1 == (int)e.Evaluate());
e.Evaluate();
}
}
catch (Exception e1)
{
MessageBox.Show(e1.ToString());
}
}
public bool EvaluateCalculating()
{
bool result = false;
if (this._expr == "")
{
return false;
}
Expression e = new Expression(_expr);
_fw = (IFeatureWorkspace)_sdeConn.Workspace;
e.Parameters["INTERSECT"] = "INTERSECT";
e.Parameters["NEW_SELECTION"] = "NEW_SELECTION";
e.Parameters["AND_SELECTION"] = "AND_SELECTION";
e.Parameters["CONTAINED_BY"] = "CONTAINED_BY";
e.Parameters["SUBTRACT_SELECTION"] = "SUBTRACT_SELECTION";
e.Parameters[_fcName.FC_DUONG.DO_RONG] = _fcName.FC_DUONG.DO_RONG;
e.Parameters[_fcName.FC_THUA.DIEN_TICH] = _fcName.FC_THUA.DIEN_TICH;
e.EvaluateFunction += delegate(string name, FunctionArgs args)
{
if (name == "VongLap")
{
IFeatureLayer fl=null;
try
{
fl = (IFeatureLayer)args.Parameters[0].Evaluate();
}
catch(Exception e1) { args.Result = null; }
//args.Parameters["doituonglap"]
IFeatureSelection fsl=(IFeatureSelection)fl;
IFeatureClass fc=fl.FeatureClass;
MessageBox.Show(string.Format("line 323 Evaluation selectionset={0}", fsl.SelectionSet.Count));
int len = args.Parameters.Length;
IDictionary<string,IFeature> dic=new Dictionary<string,IFeature>();
if(len==3)
{
dic=(IDictionary<string,IFeature>)args.Parameters[2].Evaluate();
MessageBox.Show(string.Format("line 346 Evaluation lenght={0}", dic.Count));
}
if (len >= 2)
{
IEnumIDs eIds = fsl.SelectionSet.IDs;
int id;
IFeature ft;
//MessageBox.Show(string.Format("line 353 Evaluation ids={0}",
int numid = fsl.SelectionSet.Count;
for (int i = 0; i < numid; i++)
{
id = eIds.Next();
if (id != -1)
{
//MessageBox.Show(string.Format("line 357 Evaluation name={0}, id={1}", fc.AliasName, id));
int id_img = 0;
ft = fc.GetFeature(id);
try
{
dic.Remove(string.Format("{0}_{1}", fc.AliasName, id));
}
catch { }
finally
{
dic.Add(string.Format("{0}_{1}", fc.AliasName, id), ft);
}
//args.Parameters["doituonglapcon"] = ft;
args.Parameters[1].Parameters["doituonglap"] = dic;
args.Parameters[1].Evaluate();
id_img = id;
//MessageBox.Show(string.Format("line 373 Evaluation id={0}", id));
//ft=fc.GetFeature(id);
//MessageBox.Show(string.Format("line 348 Evaluation maduong={0}", ft.get_Value(ft.Fields.FindField("maduong"))));
}
else
{
eIds.Reset();
i = 0;
}
}
}
}
else if (name == "test")
{
IDictionary<string, IFeature> dic = (IDictionary<string, IFeature>)args.Parameters[0].Evaluate();
//MessageBox.Show(string.Format("line 371 Evaluation lenght={0}", dic.Count));
//IFeature ft = (IFeature)args.Parameters[0].Evaluate();//dic["sde.SDE.thixa_duong"];
//MessageBox.Show(string.Format("line 360 Evaluation maduong={0}", ft.get_Value(ft.Fields.FindField("maduong"))));
args.Result = 1;
}
else if (name == "ChonThuaTheoDuong")
{
IQueryByLayer _qrBl = new QueryByLayerClass();
_qrBl.FromLayer = _thuaFl;
_qrBl.ByLayer = _duongFl;
_qrBl.LayerSelectionMethod = (esriLayerSelectionMethod)GeoprocessorConstant.GetSelectionMethod(args.Parameters[0].Evaluate().ToString());
_qrBl.ResultType = (esriSelectionResultEnum)GeoprocessorConstant.GetSelectionResult(args.Parameters[1].Evaluate().ToString());
_qrBl.UseSelectedFeatures = true;
double buf;
bool re = double.TryParse(args.Parameters[2].Evaluate().ToString(), out buf);
if (!re)
{
buf = 0;
}
_qrBl.BufferDistance = buf; //can them config gia tri nay
ISelectionSet thuaSelectionSet = null;
try
{
thuaSelectionSet = _qrBl.Select();
IFeatureSelection fs = (IFeatureSelection)_thuaFl;
fs.SelectionSet = thuaSelectionSet;
}
catch { }
args.Result = 1;
}
else if (name == "ChonThuaTheoHemChinh")
{
IQueryByLayer _qrBl = new QueryByLayerClass();
_qrBl.FromLayer = _thuaFl;
_qrBl.ByLayer = _hemchinhFl;
_qrBl.LayerSelectionMethod = (esriLayerSelectionMethod)GeoprocessorConstant.GetSelectionMethod(args.Parameters[0].Evaluate().ToString());
_qrBl.ResultType = (esriSelectionResultEnum)GeoprocessorConstant.GetSelectionResult(args.Parameters[1].Evaluate().ToString());
_qrBl.UseSelectedFeatures = true;
double buf;
bool re = double.TryParse(args.Parameters[2].Evaluate().ToString(), out buf);
if (!re)
{
buf = 0;
}
_qrBl.BufferDistance = buf; //can them config gia tri nay
ISelectionSet thuaSelectionSet = null;
try
{
thuaSelectionSet = _qrBl.Select();
IFeatureSelection fs = (IFeatureSelection)_thuaFl;
fs.SelectionSet = thuaSelectionSet;
}
catch { }
args.Result = 1;
}
else if (name == "ChonDuong")
{
IQueryFilter qrf = new QueryFilterClass();
qrf.WhereClause = args.Parameters[0].Evaluate().ToString();
ISelectionSet sls = _duongFl.FeatureClass.Select(qrf, esriSelectionType.esriSelectionTypeHybrid, esriSelectionOption.esriSelectionOptionNormal, _sdeConn.Workspace);
IFeatureSelection fs = (IFeatureSelection)_duongFl;
fs.SelectionSet = sls;
//MessageBox.Show("chonthuoctinh: "+args.Parameters[0].Evaluate().ToString());
args.Result = _duongFl;
}
else if (name == "ChonThua")
{
IQueryFilter qrf = new QueryFilterClass();
qrf.WhereClause = args.Parameters[0].Evaluate().ToString();
ISelectionSet sls = _thuaFl.FeatureClass.Select(qrf, esriSelectionType.esriSelectionTypeHybrid, esriSelectionOption.esriSelectionOptionNormal, _sdeConn.Workspace);
IFeatureSelection fs = (IFeatureSelection)_thuaFl;
fs.SelectionSet = sls;
//MessageBox.Show("chonthuoctinh: "+args.Parameters[0].Evaluate().ToString());
args.Result = _thuaFl;
}
};
try
{
result = (bool)e.Evaluate();
}
catch(Exception e1)
{
result = false;
}
return result;
}
private long SpatialSelect(string sSedCoreLayer, string sSounderLayer, double dblRange, esriUnits eEsriUnitsContant)
{
IMxDocument pmxdoc = ArcMap.Document as IMxDocument;
IMap pmap = pmxdoc.FocusMap;
IFeatureSelection pFSel = FindLayer(pmap, sSedCoreLayer) as IFeatureSelection;
//pFSel.Clear();
IQueryByLayer pQBLayer = new QueryByLayerClass();
pQBLayer.ByLayer = FindLayer(pmap, sSounderLayer) as IFeatureLayer;
pQBLayer.FromLayer = pFSel as IFeatureLayer;
pQBLayer.BufferDistance = dblRange;
pQBLayer.BufferUnits = eEsriUnitsContant;
pQBLayer.ResultType = esriSelectionResultEnum.esriSelectionResultAdd;
pQBLayer.LayerSelectionMethod = esriLayerSelectionMethod.esriLayerSelectIntersect;
pQBLayer.UseSelectedFeatures = true;
pFSel.SelectionSet = pQBLayer.Select();
return pFSel.SelectionSet.Count;
}
