private void btnVerify_Click(object sender, EventArgs e)
{
IQueryFilter pQueryFilter;
IFeatureClass pFeatCls;
IFeatureCursor pFeatCursor;
IFeature pFeat;
IFeatureLayer pFeatLayer;
if (this.txtExpress.Text == "")
{
//ClsDeclare.g_ErrorHandler.DisplayInformation("请输入表达式", false, "确定",null);
return;
}
pFeatLayer = ClsSelectQuery.FunFindFeatureLayerByName(cboLayerList.Text, ClsDeclare.g_pMap);
if (pFeatLayer == null)
{
return;
}
try
{
pFeatCls = pFeatLayer.FeatureClass;
pQueryFilter = new QueryFilterClass();
pQueryFilter.SubFields = "*";
pQueryFilter.WhereClause = this.txtExpress.Text.Trim();
pFeatCls.Search(pQueryFilter, false);
pFeatCursor = pFeatCls.Search(pQueryFilter, false);
pFeat = pFeatCursor.NextFeature();
//if (pFeat != null)
// ClsDeclare.g_ErrorHandler.DisplayInformation("表达式正确！", false, null, null);
//else
// ClsDeclare.g_ErrorHandler.DisplayInformation("此表达式搜索不到要素,请检查表达式！", false, null, null);
if (pFeat != null)
{
MessageBox.Show("表达式正确！");
}
else
{
MessageBox.Show("此表达式搜索不到要素,请检查表达式！");
}
//ClsDeclare.g_ErrorHandler.DisplayInformation("此表达式搜索不到要素,请检查表达式！", false, null, null);
}
catch (Exception)
{
//ClsDeclare.g_ErrorHandler.DisplayInformation("查询表达式不合法！", false, null, null);
MessageBoxEx.Show("查询表达式不合法！请修改");
}
finally
{
pQueryFilter = null;
pFeatCls = null;
pFeatCursor = null;
pFeat = null;
}
}
private void Verify()
{
IQueryFilter pQueryFilter;
IFeatureClass pFeatCls;
IFeatureCursor pFeatCursor;
IFeature pFeat;
IFeatureLayer pFeatLayer;
if (this.txtExpress.Text == "")
{
//ClsDeclare.g_ErrorHandler.DisplayInformation("请输入表达式",false,"确定",null);
return;
}
pFeatLayer = ClsSelectQuery.FunFindFeatureLayerByName(cboLayerList.Text, ClsDeclare.g_pMap);
if (pFeatLayer == null)
{
return;
}
try
{
pFeatCls = pFeatLayer.FeatureClass;
pQueryFilter = new QueryFilterClass();
pQueryFilter.SubFields = "*";
pQueryFilter.WhereClause = this.txtExpress.Text.Trim();
pFeatCls.Search(pQueryFilter, false);
pFeatCursor = pFeatCls.Search(pQueryFilter, false);
pFeat = pFeatCursor.NextFeature();
if (pFeat == null)
{
//ClsDeclare.g_ErrorHandler.DisplayInformation("此表达式搜索不到要素,请检查表达式！", false, null, null);
}
}
catch (System.Exception ex)
{
MessageBox.Show("错误", ex.StackTrace, MessageBoxButtons.OK, MessageBoxIcon.Error);
//ClsDeclare.g_ErrorHandler.HandleError(true, null, 0, null, ex.StackTrace);
throw;
}
finally
{
pQueryFilter = null;
pFeatCls = null;
pFeatCursor = null;
pFeat = null;
}
}
private void ListField()
{
try
{
ILayer pLayer;
IFeatureLayer pFeatlayer;
IFeatureClass pFeatCls;
int i;
if (m_FeatClsCln == null)
{
m_pCurrentLayer = ClsSelectQuery.FunFindFeatureLayerByName(cboLayerList.Text, ClsDeclare.g_pMap);
m_pCurrentFeatCls = m_pCurrentLayer.FeatureClass;
}
else
{
for (i = 1; i <= m_FeatClsCln.Count; i++)
{
pLayer = m_FeatClsCln[i] as ILayer;
if (pLayer is IFeatureLayer)
{
pFeatlayer = pLayer as IFeatureLayer;
pFeatCls = pFeatlayer.FeatureClass;
if (pFeatCls.AliasName == cboLayerList.Text)
{
m_pCurrentFeatCls = pFeatCls;
break;
}
}
}
}
lstField.Items.Clear();
for (i = 0; i < m_pCurrentFeatCls.Fields.FieldCount; i++)
{
if (Convert.ToUInt32(m_pCurrentFeatCls.Fields.get_Field(i).Type) < 5 && m_pCurrentFeatCls.Fields.get_Field(i).Editable == true)
{
lstField.Items.Add(m_pCurrentFeatCls.Fields.get_Field(i).AliasName + "【" + m_pCurrentFeatCls.Fields.get_Field(i).Name + "】");
}
}
}
catch (Exception ex)
{
MessageBox.Show("错误", ex.StackTrace, MessageBoxButtons.OK, MessageBoxIcon.Error);
throw;
}
}
private void btnApply_Click(object sender, EventArgs e)
{
try
{
Verify();
string strQuery;
strQuery = this.txtExpress.Text;
if (strQuery == "")
{
return;
}
ILayer pLayer;
pLayer = ClsSelectQuery.FunFindFeatureLayerByName(cboLayerList.Text, ClsDeclare.g_pMap);
if (pLayer == null)
{
return;
}
IFeatureLayer pFeatLayer;
pFeatLayer = pLayer as IFeatureLayer;
if (pFeatLayer.Visible == false)
{
}
//ClsDeclare.g_ErrorHandler.DisplayInformation("请选择可见图层",false,"确定",null);
IFeatureSelection pFeatureSelection;
pFeatureSelection = pFeatLayer as IFeatureSelection;
IQueryFilter pQueryFilter = new QueryFilterClass();
pQueryFilter.WhereClause = strQuery;
esriSelectionResultEnum SelType;
SelType = esriSelectionResultEnum.esriSelectionResultNew;
switch (this.cboSelectMethod.Text)
{
case "创建一个新的选择结果":
{
if (ClsDeclare.g_pMap.SelectionCount > 0)
{
ClsDeclare.g_pMap.ClearSelection();
}
SelType = esriSelectionResultEnum.esriSelectionResultNew;
}
break;
case "添加到当前选择集中":
SelType = esriSelectionResultEnum.esriSelectionResultAdd;
break;
case "从当前选择结果中移除":
SelType = esriSelectionResultEnum.esriSelectionResultSubtract;
break;
case "从当前选择结果中选择":
SelType = esriSelectionResultEnum.esriSelectionResultAnd;
break;
}
if (pFeatLayer.Selectable)
{
pFeatureSelection.SelectFeatures(pQueryFilter, SelType, false);
}
IActiveView pActiveView;
pActiveView = ClsDeclare.g_pMap as IActiveView;
pActiveView.Refresh();
IFeatureClass pFeatCls;
IGeometryCollection pGeometryCol;
IGeometryBag pGeometryBag;
IEnumIDs pEnumIDs;
IFeature pFeature;
int iOBJID;
pGeometryCol = new GeometryBagClass();
pGeometryBag = pGeometryCol as IGeometryBag;
pFeatCls = pFeatLayer.FeatureClass;
pEnumIDs = pFeatureSelection.SelectionSet.IDs;
iOBJID = pEnumIDs.Next();
object Missing = Type.Missing;
object Missing1 = Type.Missing;
while (iOBJID != -1)
{
pFeature = pFeatCls.GetFeature(iOBJID);
pGeometryCol.AddGeometry(pFeature.Shape, ref Missing, ref Missing1);
iOBJID = pEnumIDs.Next();
}
IHookActions pHookActions;
IHookHelper pHookHelper;
pHookHelper = new HookHelperClass();
pHookHelper.Hook = ClsDeclare.g_Sys.MapControl.Object;
pHookActions = pHookHelper as IHookActions;
if (pHookActions.get_ActionSupported(pGeometryBag.Envelope, esriHookActions.esriHookActionsPan))
{
pHookActions.DoAction(pGeometryBag.Envelope, esriHookActions.esriHookActionsPan);
}
Application.DoEvents();
}
catch (Exception ex)
{
MessageBox.Show("错误", ex.StackTrace, MessageBoxButtons.OK, MessageBoxIcon.Error);
//ClsDeclare.g_ErrorHandler.HandleError(true,null,0,null,ex.StackTrace);
throw;
}
}
private void btnOK_Click(object sender, EventArgs e)
{
int i;
IFeatureLayer pFeatureLayer;
bool bClearSelect;
IActiveView pActiveView;
m_pSelectEnv = new SelectionEnvironmentClass();
bClearSelect = false;
for (i = 0; i < dgvGridList.RowCount; i++)
{
pFeatureLayer = ClsSelectQuery.FunFindFeatureLayerByName(dgvGridList.Rows[i].Cells[1].Value.ToString(), ClsDeclare.g_pMap);
if (pFeatureLayer is IFeatureLayer)
{
if (this.dgvGridList.Rows[i].Cells[0].Value != null)
{
pFeatureLayer.Selectable = true;
}
else
{
pFeatureLayer.Selectable = false;
}
if (pFeatureLayer.Selectable == false && m_ChangeSelect[i] == 1)
{
bClearSelect = true;
}
}
}
IRgbColor pRGBColor = new RgbColorClass();
pRGBColor.Red = cColorPicker.SelectedColor.R;
pRGBColor.Green = cColorPicker.SelectedColor.G;
pRGBColor.Blue = cColorPicker.SelectedColor.B;
m_pSelectEnv.DefaultColor = pRGBColor;
if (txtTolerance != null)
{
m_pSelectEnv.SearchTolerance = Convert.ToInt32(txtTolerance.Text);
}
if (this.txtSelectCount != null)
{
if (this.txtSelectCount.Text == "")
{
m_MaxSelectCount = 0;
}
else
{
m_MaxSelectCount = Convert.ToInt64(this.txtSelectCount.Text);
}
ClsDeclare.g_Sys.MaxSelectCount = m_MaxSelectCount;
}
if (bClearSelect == true)
{
pActiveView = ClsDeclare.g_pMap as IActiveView;
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
ClsDeclare.g_pMap.ClearSelection();
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
}
this.Close();
}