C#获取打印机状态
class CSCPrintClass { public static string GetPrinterStatus(string PrinterName) { int intValue = GetPrinterStatusInt(PrinterName); string strRet = string.Empty; switch (intValue) { case 0: strRet = "准备就绪（Ready）"; break; case 0x00000200: strRet = "忙(Busy）"; break; case 0x00400000: strRet = "被打开（Printer Door Open）"; break; case 0x00000002: strRet = "错误(Printer Error）"; break; case 0x0008000: strRet = "初始化(Initializing）"; break; case 0x00000100: strRet = "正在输入,输出（I/O Active）"; break; case 0x00000020: strRet = "手工送纸（Manual Feed）"; break; case 0x00040000: strRet = "无墨粉（No Toner）"; break; case 0x00001000: strRet = "不可用（Not Available）"; break; case 0x00000080: strRet = "脱机（Off Line）"; break; case 0x00200000: strRet = "内存溢出（Out of Memory）"; break; case 0x00000800: strRet = "输出口已满（Output Bin Full）"; break; case 0x00080000: strRet = "当前页无法打印（Page Punt）"; break; case 0x00000008: strRet = "塞纸（Paper Jam）"; break; case 0x00000010: strRet = "打印纸用完（Paper Out）"; break; case 0x00000040: strRet = "纸张问题（Page Problem）"; break; case 0x00000001: strRet = "暂停（Paused）"; break; case 0x00000004: strRet = "正在删除（Pending Deletion）"; break; case 0x00000400: strRet = "正在打印（Printing）"; break; case 0x00004000: strRet = "正在处理（Processing）"; break; case 0x00020000: strRet = "墨粉不足（Toner Low）"; break; case 0x00100000: strRet = "需要用户干预（User Intervention）"; break; case 0x20000000: strRet = "等待（Waiting）"; break; case 0x00010000: strRet = "热机中（Warming Up）"; break; default: strRet = "未知状态（Unknown Status）"; break; } return strRet; } [DllImport("winspool.drv", CharSet = CharSet.Auto, SetLastError = true)] public static extern bool OpenPrinter(string printer, out IntPtr handle, ref structPrinterDefaults pDefault); [DllImport("winspool.drv")] public static extern bool ClosePrinter(IntPtr handle); [DllImport("winspool.drv", CharSet = CharSet.Auto, SetLastError = true)] public static extern bool GetPrinter(IntPtr handle, Int32 level, IntPtr buffer, Int32 size, out Int32 sizeNeeded); internal static int GetPrinterStatusInt(string PrinterName) { int intRet = 0; IntPtr hPrinter; structPrinterDefaults defaults = new structPrinterDefaults(); if (OpenPrinter(PrinterName, out hPrinter, ref defaults)) { int cbNeeded = 0; bool bolRet = GetPrinter(hPrinter, 2, IntPtr.Zero, 0, out cbNeeded); if (cbNeeded > 0) { IntPtr pAddr = Marshal.AllocHGlobal((int)cbNeeded); bolRet = GetPrinter(hPrinter, 2, pAddr, cbNeeded, out cbNeeded); if (bolRet) { PRINTER_INFO_2 Info2 = new PRINTER_INFO_2(); Info2 = (PRINTER_INFO_2)Marshal.PtrToStructure(pAddr, typeof(PRINTER_INFO_2)); intRet = System.Convert.ToInt32(Info2.Status); } Marshal.FreeHGlobal(pAddr); } ClosePrinter(hPrinter); } return intRet; } [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)] internal struct structPrinterDefaults { [MarshalAs(UnmanagedType.LPTStr)] public String pDatatype; public IntPtr pDevMode; [MarshalAs(UnmanagedType.I4)] public int DesiredAccess; }; //状态枚举 [FlagsAttribute] internal enum PrinterStatus { PRINTER_STATUS_BUSY = 0x00000200, PRINTER_STATUS_DOOR_OPEN = 0x00400000, PRINTER_STATUS_ERROR = 0x00000002, PRINTER_STATUS_INITIALIZING = 0x00008000, PRINTER_STATUS_IO_ACTIVE = 0x00000100, PRINTER_STATUS_MANUAL_FEED = 0x00000020, PRINTER_STATUS_NO_TONER = 0x00040000, PRINTER_STATUS_NOT_AVAILABLE = 0x00001000, PRINTER_STATUS_OFFLINE = 0x00000080, PRINTER_STATUS_OUT_OF_MEMORY = 0x00200000, PRINTER_STATUS_OUTPUT_BIN_FULL = 0x00000800, PRINTER_STATUS_PAGE_PUNT = 0x00080000, PRINTER_STATUS_PAPER_JAM = 0x00000008, PRINTER_STATUS_PAPER_OUT = 0x00000010, PRINTER_STATUS_PAPER_PROBLEM = 0x00000040, PRINTER_STATUS_PAUSED = 0x00000001, PRINTER_STATUS_PENDING_DELETION = 0x00000004, PRINTER_STATUS_PRINTING = 0x00000400, PRINTER_STATUS_PROCESSING = 0x00004000, PRINTER_STATUS_TONER_LOW = 0x00020000, PRINTER_STATUS_USER_INTERVENTION = 0x00100000, PRINTER_STATUS_WAITING = 0x20000000, PRINTER_STATUS_WARMING_UP = 0x00010000 } public 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 UInt32 Attributes; public UInt32 Priority; public UInt32 DefaultPriority; public UInt32 StartTime; public UInt32 UntilTime; public UInt32 Status; public UInt32 cJobs; public UInt32 AveragePPM; } public static void Main() { Console.WriteLine(CSCPrintClass.GetPrinterStatus("EPSON LQ-680K II ESC/P2").ToString()); Console.ReadLine(); } }