File list (Check if you may need any files):
lesson7\lesson7\Backup\lesson7\Form1.cs
.......\.......\......\.......\Form1.Designer.cs
.......\.......\......\.......\Form1.resx
.......\.......\......\.......\lesson7.csproj
.......\.......\......\.......\Program.cs
.......\.......\......\.......\...perties\AssemblyInfo.cs
.......\.......\......\.......\..........\Resources.Designer.cs
.......\.......\......\.......\..........\Resources.resx
.......\.......\......\.......\..........\Settings.Designer.cs
.......\.......\......\.......\..........\Settings.settings
.......\.......\......\lesson7.sln
.......\.......\......\lesson7.suo
.......\.......\......1\lesson7\Form1.cs
.......\.......\.......\.......\Form1.Designer.cs
.......\.......\.......\.......\Form1.resx
.......\.......\.......\.......\lesson7.csproj
.......\.......\.......\.......\Program.cs
.......\.......\.......\.......\...perties\AssemblyInfo.cs
.......\.......\.......\.......\..........\Resources.Designer.cs
.......\.......\.......\.......\..........\Resources.resx
.......\.......\.......\.......\..........\Settings.Designer.cs
.......\.......\.......\.......\..........\Settings.settings
.......\.......\.......\lesson7.sln
.......\.......\.......\lesson7.suo
.......\.......\data\World\cities.sdc
.......\.......\....\.....\cities.sdc.prj
.......\.......\....\.....\cities.sdc.xml
.......\.......\....\.....\cities.sdi
.......\.......\....\.....\continent.sdc
.......\.......\....\.....\continent.sdc.prj
.......\.......\....\.....\continent.sdc.xml
.......\.......\....\.....\continent.sdi
.......\.......\....\.....\Continents.lyr
.......\.......\....\.....\Continents.lyr.xml
.......\.......\....\.....\World Cities.lyr
.......\.......\....\.....\World.mxd
.......\.......\....\.....\World.pmf
.......\.......\....\.....\world30.avl
.......\.......\....\.....\world30.dbf
.......\.......\....\.....\world30.prj
.......\.......\....\.....\world30.sbn
.......\.......\....\.....\world30.sbx
.......\.......\....\.....\world30.sdc
.......\.......\....\.....\world30.sdc.prj
.......\.......\....\.....\world30.sdc.xml
.......\.......\....\.....\world30.sdi
.......\.......\....\.....\world30.shp
.......\.......\....\.....\world30.shx
.......\.......\lesson7\bin\Debug\ESRI.ArcGIS.3DAnalyst.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.3DAnalyst.xml
.......\.......\.......\...\.....\ESRI.ArcGIS.Animation.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.Animation.xml
.......\.......\.......\...\.....\ESRI.ArcGIS.AxControls.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.Carto.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.Carto.xml
.......\.......\.......\...\.....\ESRI.ArcGIS.Controls.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.Controls.xml
.......\.......\.......\...\.....\ESRI.ArcGIS.DataSourcesFile.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.DataSourcesFile.xml
.......\.......\.......\...\.....\ESRI.ArcGIS.DataSourcesNetCDF.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.DataSourcesNetCDF.xml
.......\.......\.......\...\.....\ESRI.ArcGIS.DataSourcesRaster.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.DataSourcesRaster.xml
.......\.......\.......\...\.....\ESRI.ArcGIS.Display.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.Display.xml
.......\.......\.......\...\.....\ESRI.ArcGIS.GeoAnalyst.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.GeoAnalyst.xml
.......\.......\.......\...\.....\ESRI.ArcGIS.Geodatabase.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.Geodatabase.xml
.......\.......\.......\...\.....\ESRI.ArcGIS.GeoDatabaseDistributed.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.GeoDatabaseDistributed.xml
.......\.......\.......\...\.....\ESRI.ArcGIS.GeoDatabaseExtensions.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.GeoDatabaseExtensions.xml
.......\.......\.......\...\.....\ESRI.ArcGIS.Geometry.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.Geometry.xml
.......\.......\.......\...\.....\ESRI.ArcGIS.Geoprocessing.dll
.......\.......\.......\...\.....\ESRI.ArcGIS.Geoprocessing.xml
.......\.......\.......\...\.....\ESRI.ArcGIS.GISClient.dll
.......\.......\.......\...\..