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(layerName, 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)
{
MessageBoxEx.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 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(layerName, 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);
}
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 InitCtlComboSelectMethod()
//{
// cboSelectMethod.Items.Add("创建一个新的选择结果");
// cboSelectMethod.Items.Add("添加到当前选择集中");
// cboSelectMethod.Items.Add("从当前选择结果中移除");
// cboSelectMethod.Items.Add("从当前选择结果中选择");
// cboSelectMethod.Text = cboSelectMethod.Items[0].ToString();
//}
//private void InitCtlComboLayer()
//{
// try
// {
// int i;
// ILayer pLayer;
// IFeatureLayer pFeatlayer;
// IFeatureClass pFeatCls;
// Collection pLyrCol;
// Collection LyrCol=null;
// if (m_FeatClsCln == null)
// {
// pLyrCol = ClsSelectQuery.FunGetFeaLyrCol(ClsDeclare.g_pMap, null,LyrCol);
// for (i = 1; i <= pLyrCol.Count; i++)
// {
// pLayer = pLyrCol[i] as ILayer;
// if (pLayer is IFeatureLayer)
// {
// IFeatureLayer pFeatureLayer;
// pFeatureLayer = pLayer as IFeatureLayer;
// if (pFeatureLayer.Selectable)
// cboLayerList.Items.Add(pLayer.Name);
// }
// }
// }
// 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;
// cboLayerList.Items.Add(pFeatCls.AliasName);
// }
// }
// }
// if(cboLayerList.Items.Count>0)
// cboLayerList.Text=cboLayerList.Items[0].ToString();
// }
// catch (Exception ex)
// {
// MessageBoxEx.Show("错误", ex.StackTrace, MessageBoxButtons.OK, MessageBoxIcon.Error);
// throw;
// }
//}
private void ListField()
{
try
{
ILayer pLayer;
IFeatureLayer pFeatlayer;
IFeatureClass pFeatCls;
int i;
if (m_FeatClsCln == null)
{
m_pCurrentLayer = ClsSelectQuery.FunFindFeatureLayerByName(layerName, 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 == layerName)
{
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)
{
MessageBoxEx.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 = null;
if (layerName != "" || layerName != null)
{
pLayer = ClsSelectQuery.FunFindFeatureLayerByName(layerName, 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)
{
MessageBoxEx.Show("错误", ex.StackTrace, MessageBoxButtons.OK, MessageBoxIcon.Error);
//ClsDeclare.g_ErrorHandler.HandleError(true,null,0,null,ex.StackTrace);
throw;
}
}
