打印机ESC指令

打印机ESC指令

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 打印机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

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

     目录          0  2020-09-11 02:46  打印机ESC指令\打印机ESC指令\obj\x86\Debug

     目录          0  2020-01-01 08:23  打印机ESC指令\打印机ESC指令\bin\Debug

     目录          0  2019-05-31 02:14  打印机ESC指令\打印机ESC指令\obj\x86

............此处省略8个文件信息