封装了串口、并口、驱动打印机的打印，使用esc命令，行内所有打印机通用，网口打印机也是一样的，把esc指令发过去即可。个人可以根据自己的使用习惯来进行封装。
资源文件列表
POS票据打印机/.vs/小票打印Demo/v14/.suo , 144384
POS票据打印机/bin/Debug/AForge.dll , 17920
POS票据打印机/bin/Debug/AForge.Imaging.dll , 262656
POS票据打印机/bin/Debug/CommonBLL.dll , 62976
POS票据打印机/bin/Debug/CommonBLL.pdb , 179712
POS票据打印机/bin/Debug/MediaLib.dll , 50176
POS票据打印机/bin/Debug/MediaLib.pdb , 108032
POS票据打印机/bin/Debug/stdole.dll , 32392
POS票据打印机/bin/Debug/小票打印Demo.exe , 36864
POS票据打印机/bin/Debug/小票打印Demo.pdb , 62976
POS票据打印机/bin/Debug/小票打印Demo.vshost.exe , 21688
POS票据打印机/bin/Debug/小票打印Demo.vshost.exe.manifest , 490
POS票据打印机/bin/Debug.rar , 262642
POS票据打印机/CommonBLL/app.config , 118
POS票据打印机/CommonBLL/bin/Debug/CommonBLL.dll , 51200
POS票据打印机/CommonBLL/bin/Debug/CommonBLL.dll.config , 118
POS票据打印机/CommonBLL/bin/Debug/CommonBLL.pdb , 165376
POS票据打印机/CommonBLL/bin/Debug/Microsoft.Office.Interop.Excel.dll , 1550200
POS票据打印机/CommonBLL/bin/Debug/Microsoft.Office.Interop.Excel.xml , 3571020
POS票据打印机/CommonBLL/bin/Debug/Microsoft.Office.Interop.Word.dll , 907120
POS票据打印机/CommonBLL/bin/Debug/Microsoft.Office.Interop.Word.xml , 2894590
POS票据打印机/CommonBLL/bin/Debug/Microsoft.Vbe.Interop.dll , 63336
POS票据打印机/CommonBLL/bin/Debug/office.dll , 448360
POS票据打印机/CommonBLL/bin/Debug/office.xml , 1110600
POS票据打印机/CommonBLL/bin/x86/Debug/CommonBLL.dll , 62976
POS票据打印机/CommonBLL/bin/x86/Debug/CommonBLL.dll.config , 118
POS票据打印机/CommonBLL/bin/x86/Debug/CommonBLL.pdb , 179712
POS票据打印机/CommonBLL/bin/x86/Debug/Microsoft.Office.Interop.Excel.dll , 1628856
POS票据打印机/CommonBLL/bin/x86/Debug/Microsoft.Office.Interop.Excel.xml , 3571020
POS票据打印机/CommonBLL/bin/x86/Debug/Microsoft.Office.Interop.Word.dll , 940728
POS票据打印机/CommonBLL/bin/x86/Debug/Microsoft.Office.Interop.Word.xml , 2894590
POS票据打印机/CommonBLL/bin/x86/Debug/Microsoft.Vbe.Interop.dll , 63336
POS票据打印机/CommonBLL/bin/x86/Debug/office.dll , 448360
POS票据打印机/CommonBLL/bin/x86/Debug/office.xml , 1110600
POS票据打印机/CommonBLL/bin/x86/Debug/stdole.dll , 32392
POS票据打印机/CommonBLL/CommonBLL.csproj , 6300
POS票据打印机/CommonBLL/CommonBLL.csproj.user , 452
POS票据打印机/CommonBLL/CommonBLL.sln , 1261
POS票据打印机/CommonBLL/CommonCompute.cs , 44169
POS票据打印机/CommonBLL/ConfigProcessor.cs , 14396
POS票据打印机/CommonBLL/ControlFunc.cs , 31688
POS票据打印机/CommonBLL/DataFormatProcessor.cs , 92588
POS票据打印机/CommonBLL/DebugHelper.cs , 717
POS票据打印机/CommonBLL/FileProcessor.cs , 51362
POS票据打印机/CommonBLL/MessageProcessor.cs , 7523
POS票据打印机/CommonBLL/MSSCCPRJ.SCC , 401
POS票据打印机/CommonBLL/obj/Debug/CommonBLL.csproj.FileListAbsolute.txt , 1051
POS票据打印机/CommonBLL/obj/Debug/CommonBLL.csprojResolveAssemblyReference.cache , 15348
POS票据打印机/CommonBLL/obj/Debug/CommonBLL.dll , 51200
POS票据打印机/CommonBLL/obj/Debug/CommonBLL.pdb , 165376
POS票据打印机/CommonBLL/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache , 5655
POS票据打印机/CommonBLL/obj/x86/Debug/CommonBLL.csproj.FileListAbsolute.txt , 1865
POS票据打印机/CommonBLL/obj/x86/Debug/CommonBLL.csprojResolveAssemblyReference.cache , 14614
POS票据打印机/CommonBLL/obj/x86/Debug/CommonBLL.dll , 62976
POS票据打印机/CommonBLL/obj/x86/Debug/CommonBLL.pdb , 179712
POS票据打印机/CommonBLL/obj/x86/Debug/DesignTimeResolveAssemblyReferencesInput.cache , 6407
POS票据打印机/CommonBLL/PrintHelper.cs , 25321
POS票据打印机/CommonBLL/ProcessManager.cs , 8967
POS票据打印机/CommonBLL/Properties/AssemblyInfo.cs , 1372
POS票据打印机/CommonBLL/Properties/MSSCCPRJ.SCC , 401
POS票据打印机/FormPrint_LPT.cs , 6218
POS票据打印机/FormPrint_LPT.Designer.cs , 21314
POS票据打印机/FormPrint_LPT.resx , 5817
POS票据打印机/FormPrint_Serial.cs , 8457
POS票据打印机/FormPrint_Serial.designer.cs , 26615
POS票据打印机/FormPrint_Serial.resx , 5817
POS票据打印机/FormPrint_USB.cs , 6529
POS票据打印机/FormPrint_USB.Designer.cs , 23392
POS票据打印机/FormPrint_USB.resx , 5817
POS票据打印机/FormSelectType.cs , 1168
POS票据打印机/FormSelectType.Designer.cs , 3959
POS票据打印机/FormSelectType.resx , 5817
POS票据打印机/MediaLib/bin/Debug/AForge.Controls.dll , 44544
POS票据打印机/MediaLib/bin/Debug/AForge.dll , 17920
POS票据打印机/MediaLib/bin/Debug/AForge.Imaging.dll , 262656
POS票据打印机/MediaLib/bin/Debug/AForge.Video.DirectShow.dll , 61440
POS票据打印机/MediaLib/bin/Debug/AForge.Video.dll , 20992
POS票据打印机/MediaLib/bin/Debug/CommonBLL.dll , 62976
POS票据打印机/MediaLib/bin/Debug/CommonBLL.pdb , 179712
POS票据打印机/MediaLib/bin/Debug/MediaLib.dll , 50176
POS票据打印机/MediaLib/bin/Debug/MediaLib.pdb , 108032
POS票据打印机/MediaLib/ImageProcessor.cs , 47062
POS票据打印机/MediaLib/MediaLib.csproj , 8495
POS票据打印机/MediaLib/MediaLibDLL/AForge.Controls.dll , 44544
POS票据打印机/MediaLib/MediaLibDLL/AForge.dll , 17920
POS票据打印机/MediaLib/MediaLibDLL/AForge.Imaging.dll , 262656
POS票据打印机/MediaLib/MediaLibDLL/AForge.Video.DirectShow.dll , 61440
POS票据打印机/MediaLib/MediaLibDLL/AForge.Video.dll , 20992
POS票据打印机/MediaLib/MediaLibDLL/avicap32.dll , 65024
POS票据打印机/MediaLib/MediaLibDLL/MSSCCPRJ.SCC , 402
POS票据打印机/MediaLib/MediaLibDLL/user32.dll , 833024
POS票据打印机/MediaLib/MSSCCPRJ.SCC , 402
POS票据打印机/MediaLib/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache , 7333
POS票据打印机/MediaLib/obj/Debug/MediaLib.csproj.FileListAbsolute.txt , 200
POS票据打印机/MediaLib/obj/Debug/MediaLib.csproj.ResolveComReference.cache , 977
POS票据打印机/MediaLib/obj/Debug/MediaLib.csprojResolveAssemblyReference.cache , 8017
POS票据打印机/MediaLib/obj/x86/Debug/DesignTimeResolveAssemblyReferences.cache , 816
POS票据打印机/MediaLib/obj/x86/Debug/DesignTimeResolveAssemblyReferencesInput.cache , 8127
POS票据打印机/MediaLib/obj/x86/Debug/MediaLib.csproj.FileListAbsolute.txt , 2027
POS票据打印机/MediaLib/obj/x86/Debug/MediaLib.csproj.ResolveComReference.cache , 1094
POS票据打印机/MediaLib/obj/x86/Debug/MediaLib.csprojResolveAssemblyReference.cache , 33299
POS票据打印机/MediaLib/obj/x86/Debug/MediaLib.dll , 50176
POS票据打印机/MediaLib/obj/x86/Debug/MediaLib.pdb , 108032
POS票据打印机/MediaLib/PrintHelper.cs , 27495
POS票据打印机/MediaLib/Properties/AssemblyInfo.cs , 1366
POS票据打印机/MediaLib/Properties/MSSCCPRJ.SCC , 402
POS票据打印机/MediaLib/ReceiptPrinterBase.cs , 30168
POS票据打印机/MediaLib/ReceiptPrinter_Comm.cs , 3739
POS票据打印机/MediaLib/ReceiptPrinter_IBM.cs , 26156
POS票据打印机/MediaLib/ReceiptPrinter_LPT.cs , 3911
POS票据打印机/MediaLib/ReceiptPrinter_USB.cs , 7005
POS票据打印机/MediaLib/SerialChannel.cs , 23761
POS票据打印机/MediaLib/SerialDefinition.cs , 8517
POS票据打印机/MSSCCPRJ.SCC , 272
POS票据打印机/obj/x86/Debug/DesignTimeResolveAssemblyReferences.cache , 1230
POS票据打印机/obj/x86/Debug/DesignTimeResolveAssemblyReferencesInput.cache , 7076
POS票据打印机/obj/x86/Debug/小票打印Demo.csproj.FileListAbsolute.txt , 2716
POS票据打印机/obj/x86/Debug/小票打印Demo.csproj.GenerateResource.Cache , 1057
POS票据打印机/obj/x86/Debug/小票打印Demo.csprojResolveAssemblyReference.cache , 175653
POS票据打印机/obj/x86/Debug/小票打印Demo.exe , 36864
POS票据打印机/obj/x86/Debug/小票打印Demo.FormPrint_LPT.resources , 180
POS票据打印机/obj/x86/Debug/小票打印Demo.FormPrint_Serial.resources , 180
POS票据打印机/obj/x86/Debug/小票打印Demo.FormPrint_USB.resources , 180
POS票据打印机/obj/x86/Debug/小票打印Demo.FormSelectType.resources , 180
POS票据打印机/obj/x86/Debug/小票打印Demo.pdb , 62976
POS票据打印机/obj/x86/Debug/小票打印Demo.Properties.Resources.resources , 180
POS票据打印机/PICmIN.bmp , 446
POS票据打印机/PICmIN.png , 187
POS票据打印机/Program.cs , 1071
POS票据打印机/Properties/AssemblyInfo.cs , 1364
POS票据打印机/Properties/MSSCCPRJ.SCC , 402
POS票据打印机/Properties/Resources.Designer.cs , 2884
POS票据打印机/Properties/Resources.resx , 5612
POS票据打印机/Properties/Settings.Designer.cs , 1103
POS票据打印机/Properties/Settings.settings , 249
POS票据打印机/小票打印Demo.csproj , 5223
POS票据打印机/小票打印Demo.sln , 2662
POS票据打印机/小票打印Demo.suo , 62976