private void axMapControl1_OnMouseDown(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseDownEvent e)
{
IMap pMap = axMapControl1.Map;
IActiveView pActiveView = pMap as IActiveView;
IFeatureLayer pFeatureLayer = pMap.get_Layer(0) as IFeatureLayer;
IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
IPoint point = pActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
ITopologicalOperator pTOpo = point as ITopologicalOperator;
double length;
length = ConvertPixelsToMapUnits(pActiveView, 4);
IGeometry pBuffer = pTOpo.Buffer(length);
IGeometry pGeomentry = pBuffer.Envelope;
ISelectionEnvironment pSelEnv = new SelectionEnvironment();//新建选择环境
IRgbColor pColor = new RgbColor();
pColor.Red = 255;
pSelEnv.DefaultColor = pColor;//设置高亮颜色
pMap.SelectByShape(pBuffer, pSelEnv, false);//选择图
axMapControl1.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
List<IFeature> S = RecSelectFetures(pFeatureLayer);
sFeature = S;
if (S.Count > 0)
{
treeList1.ClearNodes();
try
{
treeList1.BeginUpdate();
int k = 0;
for (int i = 0; i < S.Count; i++)
{
for (int j = 0; j < S[i].Fields.FieldCount; j++)
{
IField pFiled = S[i].Fields.get_Field(j);
treeList1.Columns.Add();
treeList1.Columns[j].Caption = pFiled.Name;
treeList1.Columns[j].VisibleIndex = j;
}
string sFirseFidValue = S[i].get_Value(0).ToString();
treeList1.AppendNode(new object[] { sFirseFidValue }, null);
for (int m = 1; m < S[i].Fields.FieldCount; m++)
{
object FieldValue;
if (S[i].Class.Fields.get_Field(m).Name == "SHAPE")
{
FieldValue = S[i].Shape.GeometryType.ToString();
}
else
{
FieldValue = S[i].get_Value(m).ToString();
}
treeList1.Nodes[k][m] = FieldValue;
}
k = k + 1;
}
}
catch (Exception exc)
{
MessageBox.Show("错误" + exc.ToString());
}
finally
{
treeList1.EndUpdate();
}
}
}
{
IMap pMap = axMapControl1.Map;
IActiveView pActiveView = pMap as IActiveView;
IFeatureLayer pFeatureLayer = pMap.get_Layer(0) as IFeatureLayer;
IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
IPoint point = pActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
ITopologicalOperator pTOpo = point as ITopologicalOperator;
double length;
length = ConvertPixelsToMapUnits(pActiveView, 4);
IGeometry pBuffer = pTOpo.Buffer(length);
IGeometry pGeomentry = pBuffer.Envelope;
ISelectionEnvironment pSelEnv = new SelectionEnvironment();//新建选择环境
IRgbColor pColor = new RgbColor();
pColor.Red = 255;
pSelEnv.DefaultColor = pColor;//设置高亮颜色
pMap.SelectByShape(pBuffer, pSelEnv, false);//选择图
axMapControl1.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
List<IFeature> S = RecSelectFetures(pFeatureLayer);
sFeature = S;
if (S.Count > 0)
{
treeList1.ClearNodes();
try
{
treeList1.BeginUpdate();
int k = 0;
for (int i = 0; i < S.Count; i++)
{
for (int j = 0; j < S[i].Fields.FieldCount; j++)
{
IField pFiled = S[i].Fields.get_Field(j);
treeList1.Columns.Add();
treeList1.Columns[j].Caption = pFiled.Name;
treeList1.Columns[j].VisibleIndex = j;
}
string sFirseFidValue = S[i].get_Value(0).ToString();
treeList1.AppendNode(new object[] { sFirseFidValue }, null);
for (int m = 1; m < S[i].Fields.FieldCount; m++)
{
object FieldValue;
if (S[i].Class.Fields.get_Field(m).Name == "SHAPE")
{
FieldValue = S[i].Shape.GeometryType.ToString();
}
else
{
FieldValue = S[i].get_Value(m).ToString();
}
treeList1.Nodes[k][m] = FieldValue;
}
k = k + 1;
}
}
catch (Exception exc)
{
MessageBox.Show("错误" + exc.ToString());
}
finally
{
treeList1.EndUpdate();
}
}
}