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记录通过transcation类得getobject函数来获得,它的objectid可以通过块表的索引值来获取,其索引器的参数为:Blocktablerecord.modelspace或者blocktablerecord.链条输送机图形数据库的结构获取相应的对象,按层级结构获得,则可以理解标题1的内容。打开代码DimfilenameAsString'DimnAsSystem.IO.FileDimfAsSystem.IO.FileStreamDimrAsSystem.IO.StreamReaderOpenFileDialogl.Filter="文本文件(*.txt)|*.txt"OpenFileDialog1.ShowDialog()'调用对话框filename=OpenFileDialog1.FileName'获取选中的文件名f=NewSystem.IO.FileStream(filename,IO.FileMode.Open,IO.FileAccess.Read)r=NewSystem.IO.StreamReader(f)TextBox1.Text=r.ReadToEnd()'读文件r.Close()保存代码DimfilenameAsStringDimfAsSystem.IO.FileStreamDimwAsSystem.IO.StreamWriterSaveFileDialogl.Filter="文本文件(*.txt)|*.txt"SaveFileDialog1.ShowDialog()'调用对话框filename=SaveFileDialog1.FileName'获取选中的文件名f=NewSystem.IO.FileStream(filename,IO.FileMode.Create,IO.FileAccess.Write)w=NewSystem.IO.StreamWriter(f)w.Write(TextBox1.Text)'写文件w.Close()引用空间ImportsAutodesk.AutoCAD.ApplicationServicesImportsAutodesk.AutoCAD.EditorInputImportsAutodesk.AutoCAD.RuntimeImportsAutodesk.AutoCAD.DatabaseServicesImportsAutodesk.AutoCAD.Geometry菜单开发PublicSubAddMenu()DimcurrMenuGroupAsAcadMenuGroupSetcurrMenuGroup=ThisDrawing.Application.MenuGroups.Item(0)'创建菜单DimnewMenuAsAcadPopupMenuSetnewMenu=currMenuGroup.Menus.AddC医药物流设备")'添加菜单项DimmacroAsStringmacro=Chr(vbKeyEscape)+Chr(vbKeyEscape)'相当于按下两次Esc键'系统布置(含有子菜单)DimmenuDrawAsAcadPopupMenuSetmenuDraw=newMenu.AddSubMenu(newMenu.Count+1,Chr(Asc("&"))&"子系统布置")'子菜单项目:立体库系统DimsubMenuItemAsAcadPopupMenuItemDimsubMenuItem2AsAcadPopupMenuSetsubMenuItem=menuDraw.AddMenuItem(_menuDraw.Count+1,Chr(Asc("&"))&"立体库系统",macro&"-vbarun"+Chr(32)+"thisdrawing.li"+Chr(32))PublicSubli()'DimvarretAsVariantLoadForm立体库系统Form立体库系统.ShowEndSubEndSub