using?System;
using?System.Runtime.InteropServices;
using?Autodesk.AutoCAD.Interop;
using?Autodesk.AutoCAD.ApplicationServices;
using?Autodesk.AutoCAD.DatabaseServices;
using?Autodesk.AutoCAD.Runtime;




namespace?chapter_01
{
????public?class?chp_01
????{

????????//從模型空間檢索實體對象
?
????????[CommandMethod（“ListEntities“）]
????????public?static?void?ListEntities（）
????????{
??????????//?獲取當前數據庫，啟動事務
??????????Document?acDoc?=?Application.DocumentManager.MdiActiveDocument;
??????????Database?acCurDb?=?acDoc.Database;
?
??????????using?（Transaction?acTrans?=?acCurDb.TransactionManager.StartTransaction（））
??????????{
??????????????//?以讀模式打開塊表
??????????????BlockTable?acBlkTbl;
??????????????acBlkTbl?=?acTrans.Getobject（acCurDb.BlockTableId
???????????????????????????????????????????OpenMode.ForRead）?as?BlockTable;
?
??????????????//?以讀模式打開塊表記錄模型空間
??????????????BlockTableRecord?acBlkTblRec;
??????????????acBlkTblRec?=?acTrans.Getobject（acBlkTbl[BlockTableRecord.ModelSpace]
??????????????????????????????????????????????OpenMode.ForRead）?as?BlockTableRecord;
?
??????????????int?nCnt?=?0;
??????????????acDoc.Editor.WriteMessage（“\nModel?space?objects:?“）;
?
??????????????//?遍歷模型空間里的每個對象，并
??????????????//?顯示找到的對象的類型
??????????????foreach?（objectId?acObjId?in?acBlkTblRec）
??????????????{
??????????????????acDoc.Editor.WriteMessage（“\n“?+?acObjId.objectClass.DxfName）;
?
??????????????????nCnt?=?nCnt?+?1;
??????????????}
?
??????????????//?如果沒發現對象則顯示提示信息
??????????????if?（nCnt?==?0）
??????????????{
??????????????????acDoc.Editor.WriteMessage（“\n?No?objects?found“）;
??????????????}
?
??????????????//?關閉事務
??????????}
????????}


????????//新建一個圖層并將其添加到圖層表

????????[CommandMethod（“AddMylayer“）]
????????public?static?void?AddMylayer（）
????????{
????????????//?獲取當前文檔和數據庫，并啟動事務；
????????????Document?acDoc?=?Application.DocumentManager.MdiActiveDocument;
????????????Database?acCurDb?=?acDoc.Database;

????????????using?（Transaction?acTrans?=?acCurDb.TransactionManager.StartTransaction（））
????????????{
????????????????//?返回當前數據庫的圖層表
????????????????layerTable?acLyrTbl;
????????????????acLyrTbl?=?acTrans.Getobject（acCurDb.layerTableId
?????????????????????????????????????????????OpenMode.ForRead）?as?layerTable;

????????????????//?檢查圖層表里是否有圖層Mylayer
????????????????if?（acLyrTbl.Has（“Mylayer“）?!=?true）
????????????????{
????????????????????//?以寫模式打開圖層表
????????????????????acLyrTbl.UpgradeOpen（）;

????????????????????//?新創建一個圖層表記錄，并命名為”Mylayer”
????????????????????layerTableRecord?acLyrTblRec?=?new?layerTableRecord（）;
????????????????????acLyrTblRec.Name?=?“Mylayer“;

????????????????????//?添加新的圖層表記錄到圖層表，添加事務
????????????????????acLyrTbl.Add（acLyrTblRec）;
????????????????????acTrans.AddNewlyCreatedDBobject（acLyrTblRec?true）;

????????????????????//提交修改
????????????????????acTrans.Commit（）;
????????????????}

????????????????//?關閉事務，回收內存；
????????????}
????????}


????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????12288??2013-12-12?17:37??chapter_04\chapter_04\bin\Debug\chapter_04.dll

?????文件??????22016??2013-12-12?17:37??chapter_04\chapter_04\bin\Debug\chapter_04.pdb

?????文件???????3002??2019-04-11?16:34??chapter_04\chapter_04\chapter_04.csproj

?????文件??????25530??2013-12-12?17:37??chapter_04\chapter_04\Class1.cs

?????文件????????538??2013-12-12?17:37??chapter_04\chapter_04\obj\Debug\chapter_04.csproj.FileListAbsolute.txt

?????文件??????54420??2013-12-12?17:37??chapter_04\chapter_04\obj\Debug\chapter_04.csprojResolveAssemblyReference.cache

?????文件??????12288??2013-12-12?17:37??chapter_04\chapter_04\obj\Debug\chapter_04.dll

?????文件??????22016??2013-12-12?17:37??chapter_04\chapter_04\obj\Debug\chapter_04.pdb

?????文件???????6710??2019-04-11?16:34??chapter_04\chapter_04\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件??????????0??2019-04-11?16:34??chapter_04\chapter_04\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

?????文件??????????0??2019-04-11?16:34??chapter_04\chapter_04\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

?????文件??????????0??2019-04-11?16:34??chapter_04\chapter_04\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

?????文件???????1352??2013-12-10?20:02??chapter_04\chapter_04\Properties\AssemblyInfo.cs

?????文件????????920??2013-12-10?20:02??chapter_04\chapter_04.sln

????..A..H.?????15872??2013-12-12?17:37??chapter_04\chapter_04.suo

????..A..H.?????31232??2019-04-11?16:35??chapter_04\chapter_04.v12.suo

?????文件????????146??2014-01-06?10:22??chapter_05\chapter_05\bin\Debug\acad.err

?????文件??????16896??2014-01-06?17:39??chapter_05\chapter_05\bin\Debug\chapter_05.dll

?????文件??????26112??2014-01-06?17:39??chapter_05\chapter_05\bin\Debug\chapter_05.pdb

?????文件???????3002??2019-04-11?16:35??chapter_05\chapter_05\chapter_05.csproj

?????文件??????36563??2014-01-06?17:39??chapter_05\chapter_05\Class1.cs

?????文件????????950??2014-01-06?17:39??chapter_05\chapter_05\obj\Debug\chapter_05.csproj.FileListAbsolute.txt

?????文件??????16896??2014-01-06?17:39??chapter_05\chapter_05\obj\Debug\chapter_05.dll

?????文件??????26112??2014-01-06?17:39??chapter_05\chapter_05\obj\Debug\chapter_05.pdb

?????文件???????5853??2014-01-06?17:39??chapter_05\chapter_05\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????1352??2013-12-14?14:59??chapter_05\chapter_05\Properties\AssemblyInfo.cs

?????文件????????920??2013-12-14?14:59??chapter_05\chapter_05.sln

????..A..H.?????16384??2014-01-06?17:39??chapter_05\chapter_05.suo

?????文件???????1633??2014-01-22?13:38??chapter_06\chapter_06\AcedSetCurrentVPort.txt

?????文件??????10752??2014-01-23?17:10??chapter_06\chapter_06\bin\Debug\chapter_06.dll

............此處省略420個文件信息