using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Text;
using?System.Windows.Forms;
using?System.Collections;

using?ESRI.ArcGIS.Carto;
using?ESRI.ArcGIS.Geodatabase;
using?ESRI.ArcGIS.esriSystem;

namespace?QueryAndStatistics
{
????public?partial?class?FormStatistics?:?Form
????{
????????//當(dāng)前MapControl控件中的Map對(duì)象
????????private?IMap?currentMap;????
????????//設(shè)置哈希表類型的類變量來(lái)存儲(chǔ)圖層名稱和所對(duì)應(yīng)矢量圖層的IFeaturelayer接口對(duì)象
????????private?Hashtable?layersHashtable;
????????//設(shè)置類變量存儲(chǔ)當(dāng)前的矢量圖層對(duì)象
????????private?IFeaturelayer?currentFeaturelayer?=?null;

????????///?

????????///?獲得當(dāng)前MapControl控件中的Map對(duì)象。
????????///?

????????public?IMap?CurrentMap
????????{
????????????set
????????????{
????????????????currentMap?=?value;
????????????}
????????}

????????///?

????????///?構(gòu)造函數(shù)
????????///?

????????public?FormStatistics（）
????????{
????????????InitializeComponent（）;
????????????//新建哈希表對(duì)象
????????????layersHashtable?=?new?Hashtable（）;
????????}

????????///?

????????///?窗體加載函數(shù)，給各控件賦初始值
????????///?

????????///?
????????///?
????????private?void?FormStatistics_Load_1（object?sender?EventArgs?e）
????????{
????????????try
????????????{
????????????????IFeaturelayer?featurelayer;?//設(shè)置臨時(shí)變量存儲(chǔ)矢量圖層對(duì)象
????????????????string?layerName;???//設(shè)置臨時(shí)變量存儲(chǔ)圖層的名稱
????????????????int?layersCount?=?0;????//設(shè)置臨時(shí)變量存儲(chǔ)具有選擇要素的圖層總個(gè)數(shù)
????????????????int?allSelectedFeatures?=?0;????//設(shè)置臨時(shí)變量存儲(chǔ)被選擇要素的總數(shù)

????????????????//清空哈希表
????????????????layersHashtable.Clear（）;

????????????????//對(duì)Map中的每個(gè)圖層進(jìn)行判斷和加載名稱
????????????????for?（int?i?=?0;?i?yerCount;?i++）
????????????????{
????????????????????//如果該圖層為圖層組類型，則分別對(duì)所包含的每個(gè)圖層進(jìn)行操作
????????????????????if?（currentMap.get_layer（i）?is?Grouplayer）
????????????????????{
????????????????????????//使用ICompositelayer接口進(jìn)行遍歷操作
????????????????????????ICompositelayer?compositelayer?=?currentMap.get_layer（i）?as?ICompositelayer;
????????????????????????for?（int?j?=?0;?j?yer.Count;?j++）
????????????????????????{
????????????????????????????//得到圖層的名稱
????????????????????????????layerName?=?compositelayer.get_layer（j）.Name;
????????????????????????????//得到IFeaturelayer接口的矢量圖層對(duì)象
????????????????????????????featurelayer?=?（IFeaturelayer）compositelayer.get_layer（j）;
????????????????????????????//通過(guò)接口轉(zhuǎn)換獲得當(dāng)前圖層選擇集中被選擇要素的總數(shù)，如果大于0則進(jìn)行統(tǒng)計(jì)
????????????????????????????if?（（（IFeatureSelection）featurelayer）.SelectionSet.Count?>?0）
????????????????????????????{
????????????????????????????????//在comboBoxlayers中添加該圖層的名稱
????????????????????????????????comboBoxlayers.Items.Add（layerName）;
????????????????????????????????//在哈希表中添加一項(xiàng)，包括圖層名稱和圖層對(duì)象
????????????????????????????????layersHashtable.Add（layerName?featurelayer）;
????????????????????????????????//具有選擇要素的圖層總個(gè)數(shù)加1
????????????????????????????????layer

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件?????145408??2018-06-30?12:00??EngineWindowsApplication5\EngineWindowsApplication5\bin\Debug\EngineWindowsApplication5.exe

?????文件?????206336??2018-06-30?12:00??EngineWindowsApplication5\EngineWindowsApplication5\bin\Debug\EngineWindowsApplication5.pdb

?????文件??????11600??2018-10-02?11:12??EngineWindowsApplication5\EngineWindowsApplication5\bin\Debug\EngineWindowsApplication5.vshost.exe

?????文件????????490??2018-04-12?07:35??EngineWindowsApplication5\EngineWindowsApplication5\bin\Debug\EngineWindowsApplication5.vshost.exe.manifest

?????文件????????299??2018-06-13?09:38??EngineWindowsApplication5\EngineWindowsApplication5\Class\EnumQueryType.cs

?????文件???????7851??2018-06-20?14:57??EngineWindowsApplication5\EngineWindowsApplication5\Class\OperatePageLayout.cs

?????文件??????13427??2018-06-21?12:37??EngineWindowsApplication5\EngineWindowsApplication5\EngineWindowsApplicationZH.csproj

?????文件????????478??2018-06-13?09:39??EngineWindowsApplication5\EngineWindowsApplication5\EngineWindowsApplicationZH.csproj.user

?????文件??????10141??2018-06-21?10:59??EngineWindowsApplication5\EngineWindowsApplication5\FormStatistics.cs

?????文件???????6543??2018-06-21?10:40??EngineWindowsApplication5\EngineWindowsApplication5\FormStatistics.Designer.cs

?????文件???????5817??2018-06-21?10:40??EngineWindowsApplication5\EngineWindowsApplication5\FormStatistics.resx

?????文件????????775??2018-03-15?20:09??EngineWindowsApplication5\EngineWindowsApplication5\LicenseInitializer.cs

?????文件??????15255??2018-03-15?20:09??EngineWindowsApplication5\EngineWindowsApplication5\LicenseInitializer.Designer.cs

?????文件??????76085??2018-06-21?12:07??EngineWindowsApplication5\EngineWindowsApplication5\MainForm.cs

?????文件??????42055??2018-06-21?12:07??EngineWindowsApplication5\EngineWindowsApplication5\MainForm.Designer.cs

?????文件??????65379??2018-06-21?12:07??EngineWindowsApplication5\EngineWindowsApplication5\MainForm.resx

?????文件?????125518??2018-04-11?22:36??EngineWindowsApplication5\EngineWindowsApplication5\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6447??2018-10-02?11:12??EngineWindowsApplication5\EngineWindowsApplication5\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????180??2018-06-21?12:37??EngineWindowsApplication5\EngineWindowsApplication5\obj\x86\Debug\EngineWindowsApplication5.bufferAnalysis.resources

?????文件???????1209??2018-03-15?20:21??EngineWindowsApplication5\EngineWindowsApplication5\obj\x86\Debug\EngineWindowsApplication5.csproj.FileListAbsolute.txt

?????文件???????1040??2018-03-15?20:20??EngineWindowsApplication5\EngineWindowsApplication5\obj\x86\Debug\EngineWindowsApplication5.csproj.GenerateResource.Cache

?????文件?????130229??2018-03-15?20:14??EngineWindowsApplication5\EngineWindowsApplication5\obj\x86\Debug\EngineWindowsApplication5.csprojResolveAssemblyReference.cache

?????文件?????145408??2018-06-30?12:00??EngineWindowsApplication5\EngineWindowsApplication5\obj\x86\Debug\EngineWindowsApplication5.exe

?????文件????????180??2018-06-21?12:37??EngineWindowsApplication5\EngineWindowsApplication5\obj\x86\Debug\EngineWindowsApplication5.FormQueryByAttribute.resources

?????文件??????40677??2018-06-21?12:37??EngineWindowsApplication5\EngineWindowsApplication5\obj\x86\Debug\EngineWindowsApplication5.MainForm.resources

?????文件????????717??2018-06-21?12:37??EngineWindowsApplication5\EngineWindowsApplication5\obj\x86\Debug\EngineWindowsApplication5.PageLayout.frmSymbol.resources

?????文件???????3329??2018-06-21?12:37??EngineWindowsApplication5\EngineWindowsApplication5\obj\x86\Debug\EngineWindowsApplication5.PageLayout.frmTemplate.resources

?????文件?????206336??2018-06-30?12:00??EngineWindowsApplication5\EngineWindowsApplication5\obj\x86\Debug\EngineWindowsApplication5.pdb

?????文件????????180??2018-06-21?12:37??EngineWindowsApplication5\EngineWindowsApplication5\obj\x86\Debug\EngineWindowsApplication5.Properties.Resources.resources

?????文件???????2097??2018-06-21?12:37??EngineWindowsApplication5\EngineWindowsApplication5\obj\x86\Debug\EngineWindowsApplication5.SpatialQueryForm.resources

............此處省略71個(gè)文件信息