空间拓扑查询（ArcEngine）

空间拓扑查询(ArcEngine)

using System;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using ESRI.ArcGIS.ADF.baseClasses;
using ESRI.ArcGIS.ADF.CATIDs;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.SystemUI;

namespace MapControlApplication1
{
    /// 

    /// Summary description for CreateNewDocument.
    /// 

    public class CreateNewDocument : baseCommand
    {
        private IHookHelper m_hookHelper = null;

        //constructor
        public CreateNewDocument（）
        {
            //update the base properties
            base.m_category = “.NET Samples“;
            base.m_caption = “NewDocument“;
            base.m_message = “Create a new map“;
            base.m_toolTip = “Create a new map“;
            base.m_name = “DotNetTemplate_NewDocumentCommand“;
        }

        #region Overridden Class Methods

        /// 

        /// Occurs when this command is created
        /// 

        /// Instance of the application
        public override void OnCreate（object hook）
        {
            if （m_hookHelper == null）
                m_hookHelper = new HookHelperClass（）;

            m_hookHelper.Hook = hook;
        }

        /// 

        /// Occurs when this command is clicked
        /// 

        public override void onclick（）
        {
            IMapControl3 mapControl = null;

            //get the MapControl from the hook in case the container is a ToolbarControl
            if （m_hookHelper.Hook is IToolbarControl）
            {
                mapControl = （IMapControl3）（（IToolbarControl）m_hookHelper.Hook）.Buddy;
            }
            //In case the container is MapControl
            else if （m_hookHelper.Hook is IMapControl3）
            {
                mapControl = （IMapControl3）m_hookHelper.Hook;
            }
            else
            {
                MessageBox.Show（“Active control must be MapControl!“ “Warning“ MessageBoxButtons.OK MessageBoxIcon.Exclamation）;
                return;
            }

            //check to see if there is an active edit session and whether edits have been made
            DialogResult result;
            IEngineEditor engineEditor = new EngineEditorClass（）;

            if （（engineEditor.EditState == esriEngineEditState.esriEngineStateEditing） && （engineEditor.HasEdits（） == true））
            {
                result = MessageBox.Show（“Would you like to save your edits“ “Save Edits“ MessageBoxButtons.YesNoCancel MessageBoxIcon.Question）;

                switch （result）
                {

                    case DialogResult.Cancel:
                        return;

                    case DialogResult.No:
                        engineEditor.StopEditing（false）;
                        break;

                    case DialogResult.Yes:
                        engineEditor.StopEditing（true）;
                        break;

                }
           

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2020-07-07 12:29  ArcEngine-master\
     目录           0  2020-07-07 12:29  ArcEngine-master\.vs\
     目录           0  2020-07-07 12:29  ArcEngine-master\.vs\实习5\
     目录           0  2020-07-07 12:29  ArcEngine-master\.vs\实习5\v15\
     文件      149504  2020-07-07 12:29  ArcEngine-master\.vs\实习5\v15\.suo
     目录           0  2020-07-07 12:29  ArcEngine-master\.vs\实习5\v15\Server\
     目录           0  2020-07-07 12:29  ArcEngine-master\.vs\实习5\v15\Server\sqlite3\
     文件           0  2020-07-07 12:29  ArcEngine-master\.vs\实习5\v15\Server\sqlite3\db.lock
     文件     2125824  2020-07-07 12:29  ArcEngine-master\.vs\实习5\v15\Server\sqlite3\storage.ide
     文件       32768  2020-07-07 12:29  ArcEngine-master\.vs\实习5\v15\Server\sqlite3\storage.ide-shm
     文件     5063512  2020-07-07 12:29  ArcEngine-master\.vs\实习5\v15\Server\sqlite3\storage.ide-wal
     文件       18944  2020-07-07 12:29  ArcEngine-master\MapControlApplication1.v11.suo
     目录           0  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\
     文件       19742  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\3170101779_邱亦宁_实习5.csproj
     文件        2238  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\App.ico
     目录           0  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Bookmark\
     文件        4294  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Bookmark\AdmitBookmarkName.Designer.cs
     文件        1797  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Bookmark\AdmitBookmarkName.cs
     文件        5698  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Bookmark\AdmitBookmarkName.resx
     文件        5888  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Bookmark\BookmarkNameExists.Designer.cs
     文件        1321  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Bookmark\BookmarkNameExists.cs
     文件        5698  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Bookmark\BookmarkNameExists.resx
     文件        3770  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\CreateNewDocument.cs
     目录           0  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Data Operator\
     文件        6487  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Data Operator\AddField.Designer.cs
     文件        1632  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Data Operator\AddField.cs
     文件        5698  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Data Operator\AddField.resx
     文件       13187  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Data Operator\CreateShapefile.Designer.cs
     文件        5489  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Data Operator\CreateShapefile.cs
     文件        6057  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Data Operator\CreateShapefile.resx
     文件        5937  2020-07-07 12:29  ArcEngine-master\MapControlApplication1\Data Operator\DataBoard.Designer.cs
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