C# Signature:

[DllImport("winspool.drv", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall, SetLastError = true)]

static extern int AddPrinter(string pName, uint Level, In ref PRINTER_INFO_2 pPrinter);!!!!VB Signature:

Declare Function AddPrinter Lib "Winspool.dll" (TODO) As TODO

User-Defined Types:

None.

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

Sample code is done as a console application with hardcoded parameters to make the example simple

Tips & Tricks:

Please add some!

Sample Code:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Runtime.InteropServices;

namespace AddPrinter

{

  class Program
  {
    [DllImport("winspool.drv", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall,     SetLastError = true)]
    static extern int AddPrinter(string pName, uint Level, [In] ref PRINTER_INFO_2 pPrinter);

    [DllImport("winspool.drv")]
    static extern int ClosePrinter(int hPrinter);
    static void Main(string[] args)
    {
      PRINTER_INFO_2 pInfo = new PRINTER_INFO_2();
      int hPrt;
      int iError;
      pInfo.pPrinterName = "Test";
      pInfo.pPortName = "IP_10.63.185.199";
      pInfo.pDriverName = "HP LaserJet 4 Plus";
      pInfo.pPrintProcessor = "WinPrint";
      hPrt = AddPrinter("", 2, ref pInfo);
      if (hPrt == 0)
      {
    iError = Marshal.GetLastWin32Error();
    switch (iError)
    {
      case 1796: Console.WriteLine("The specified port is unknown"); break;
      case 1797: Console.WriteLine("Printer driver is unknown or not loaded"); break;
      case 1798: Console.WriteLine("The print processor is unknown"); break;
      case 1801: Console.WriteLine("Printer name is invalid"); break;
      case 1802: Console.WriteLine("Printer name already exists"); break;
      default: Console.WriteLine("An error occured. Errorcode: " + iError); break;
    }
      }
      else
      {
    Console.WriteLine("Printer was created successfully"); }
    ClosePrinter(hPrt);
    Console.WriteLine("Press any key to exit!");
    Console.ReadKey();
      }
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
    struct PRINTER_INFO_2
    {
      public string pServerName;
      public string pPrinterName;
      public string pShareName;
      public string pPortName;
      public string pDriverName;
      public string pComment;
      public string pLocation;
      public IntPtr pDevMode;
      public string pSepFile;
      public string pPrintProcessor;
      public string pDatatype;
      public string pParameters;
      public IntPtr pSecurityDescriptor;
      public uint Attributes;
      public uint Priority;
      public uint DefaultPriority;
      public uint StartTime;
      public uint UntilTime;
      public uint Status;
      public uint cJobs;
      public uint AveragePPM;
   }

}

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