using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?System.Runtime.InteropServices;
using?System.Management;
using?System.Drawing.Printing;
using?System.Security;
using?System.Printing;
using?System.IO;

namespace?打印機ESC指令
{

????public?partial?class?Form1?:?Form
????{

????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????foreach?（String?printername?in?PrinterSettings.InstalledPrinters）
????????????{

????????????????comboBox1.Items.Add（printername）;

????????????}

????????}
????????[StructLayout（LayoutKind.Sequential?CharSet?=?CharSet.Ansi）]
????????public?class?DOCINFOA
????????{
????????????[MarshalAs（UnmanagedType.LPStr）]
????????????public?string?pDocName;
????????????[MarshalAs（UnmanagedType.LPStr）]
????????????public?string?pOutputFile;
????????????[MarshalAs（UnmanagedType.LPStr）]
????????????public?string?pDataType;
????????}
????????[DllImport（“winspool.Drv“?EntryPoint?=?“OpenPrinterA“?SetLastError?=?true?CharSet?=?CharSet.Ansi?ExactSpelling?=?true?CallingConvention?=?CallingConvention.StdCall）]
????????public?static?extern?bool?OpenPrinter（[MarshalAs（UnmanagedType.LPStr）]?string?szPrinter?out?IntPtr?hPrinter?IntPtr?pd）;

????????[DllImport（“winspool.Drv“?EntryPoint?=?“ClosePrinter“?SetLastError?=?true?ExactSpelling?=?true?CallingConvention?=?CallingConvention.StdCall）]
????????public?static?extern?bool?ClosePrinter（IntPtr?hPrinter）;

????????[DllImport（“winspool.Drv“?EntryPoint?=?“StartDocPrinterA“?SetLastError?=?true?CharSet?=?CharSet.Ansi?ExactSpelling?=?true?CallingConvention?=?CallingConvention.StdCall）]
????????public?static?extern?bool?StartDocPrinter（IntPtr?hPrinter?Int32?level?[In?MarshalAs（UnmanagedType.LPStruct）]?DOCINFOA?di）;

????????[DllImport（“winspool.Drv“?EntryPoint?=?“EndDocPrinter“?SetLastError?=?true?ExactSpelling?=?true?CallingConvention?=?CallingConvention.StdCall）]
????????public?static?extern?bool?EndDocPrinter（IntPtr?hPrinter）;

????????[DllImport（“winspool.Drv“?EntryPoint?=?“StartPagePrinter“?SetLastError?=?true?ExactSpelling?=?true?CallingConvention?=?CallingConvention.StdCall）]
????????public?static?extern?bool?StartPagePrinter（IntPtr?hPrinter）;

????????[DllImport（“winspool.Drv“?EntryPoint?=?“EndPagePrinter“?SetLastError?=?true?ExactSpelling?=?true?CallingConvention?=?CallingConvention.StdCall）]
????????public?static?extern?bool?EndPagePrinter（IntPtr?hPrinter）;

????????[DllImport（“winspool.Drv“?EntryPoint?=?“WritePrinter“?SetLastError?=?true?ExactSpelling?=?true?CallingConvention?=?CallingConvention.StdCall）]
????????public?static?extern?bool?WritePrinter（IntPtr?hPrinter?IntPtr?pBytes?Int32?dwCount?out?Int32?dwWritten）;

????????private?void?button1_Click（object

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

?????文件??????11264??2020-09-11?02:46??打印機ESC指令\打印機ESC指令\bin\Debug\打印機ESC指令.exe

?????文件??????30208??2020-09-11?02:46??打印機ESC指令\打印機ESC指令\bin\Debug\打印機ESC指令.pdb

?????文件??????24224??2020-09-11?02:46??打印機ESC指令\打印機ESC指令\bin\Debug\打印機ESC指令.vshost.exe

?????文件????????490??2019-03-19?12:46??打印機ESC指令\打印機ESC指令\bin\Debug\打印機ESC指令.vshost.exe.manifest

?????文件???????8471??2018-02-28?10:36??打印機ESC指令\打印機ESC指令\Form1.cs

?????文件???????3784??2018-02-28?01:52??打印機ESC指令\打印機ESC指令\Form1.Designer.cs

?????文件???????5817??2018-02-28?01:52??打印機ESC指令\打印機ESC指令\Form1.resx

?????文件???????5420??2018-02-26?02:29??打印機ESC指令\打印機ESC指令\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????7286??2020-09-11?02:46??打印機ESC指令\打印機ESC指令\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????1510??2020-09-11?02:46??打印機ESC指令\打印機ESC指令\obj\x86\Debug\打印機ESC指令.csproj.FileListAbsolute.txt

?????文件????????977??2020-09-11?02:46??打印機ESC指令\打印機ESC指令\obj\x86\Debug\打印機ESC指令.csproj.GenerateResource.Cache

?????文件??????10684??2020-09-11?02:46??打印機ESC指令\打印機ESC指令\obj\x86\Debug\打印機ESC指令.csprojResolveAssemblyReference.cache

?????文件??????11264??2020-09-11?02:46??打印機ESC指令\打印機ESC指令\obj\x86\Debug\打印機ESC指令.exe

?????文件????????180??2018-02-28?05:45??打印機ESC指令\打印機ESC指令\obj\x86\Debug\打印機ESC指令.Form1.resources

?????文件??????30208??2020-09-11?02:46??打印機ESC指令\打印機ESC指令\obj\x86\Debug\打印機ESC指令.pdb

?????文件????????180??2018-02-28?05:45??打印機ESC指令\打印機ESC指令\obj\x86\Debug\打印機ESC指令.Properties.Resources.resources

?????文件????????499??2018-02-25?04:55??打印機ESC指令\打印機ESC指令\Program.cs

?????文件???????1386??2018-02-25?04:55??打印機ESC指令\打印機ESC指令\Properties\AssemblyInfo.cs

?????文件???????2888??2018-02-25?04:55??打印機ESC指令\打印機ESC指令\Properties\Resources.Designer.cs

?????文件???????5612??2018-02-25?04:55??打印機ESC指令\打印機ESC指令\Properties\Resources.resx

?????文件???????1105??2018-02-25?04:55??打印機ESC指令\打印機ESC指令\Properties\Settings.Designer.cs

?????文件????????249??2018-02-25?04:55??打印機ESC指令\打印機ESC指令\Properties\Settings.settings

?????文件???????3787??2018-02-28?01:43??打印機ESC指令\打印機ESC指令\打印機ESC指令.csproj

?????文件????????896??2018-02-25?04:55??打印機ESC指令\打印機ESC指令.sln

????..A..H.?????26112??2018-03-23?00:02??打印機ESC指令\打印機ESC指令.suo

????..A..H.?????26112??2018-03-23?00:02??打印機ESC指令\打印機ESC指令.v12.suo

????..AD...?????????0??2019-02-28?05:08??打印機ESC指令\打印機ESC指令\obj\x86\Debug\TempPE

?????目錄??????????0??2020-09-11?02:46??打印機ESC指令\打印機ESC指令\obj\x86\Debug

?????目錄??????????0??2020-01-01?08:23??打印機ESC指令\打印機ESC指令\bin\Debug

?????目錄??????????0??2019-05-31?02:14??打印機ESC指令\打印機ESC指令\obj\x86

............此處省略8個文件信息