使用C#更改打印机设置.docx

1、使用C#更改打印机设置使用C更改打印机设置以下是全球范围内更改打印机设置的C代码。public class PrinterSettings #region Private Variablesprivate IntPtr hPrinter = new System.IntPtr() ;private PRINTER_DEFAULTS PrinterValues = new PRINTER_DEFAULTS();private PRINTER_INFO_2 pinfo = new PRINTER_INFO_2();private DEVMODE dm;private IntPtr ptrDM;pr

2、ivate IntPtr ptrPrinterInfo;private int sizeOfDevMode = 0;private int lastError;private int nBytesNeeded;private long nRet; private int intError;private System.Int32 nJunk;private IntPtr yDevModeData;#endregion#region Win API DefDllImport(kernel32.dll, EntryPoint=GetLastError, SetLastError=false,Exa

3、ctSpelling=true, CallingConvention=CallingConvention.StdCall)private static extern Int32 GetLastError();DllImport(winspool.Drv, EntryPoint=ClosePrinter, SetLastError=true, ExactSpelling=true, CallingConvention=CallingConvention.StdCall)private static extern bool ClosePrinter(IntPtr hPrinter);DllImpo

4、rt(winspool.Drv, EntryPoint=DocumentPropertiesA, SetLastError=true, ExactSpelling=true, CallingConvention=CallingConvention.StdCall)private static extern int DocumentProperties (IntPtr hwnd, IntPtr hPrinter, MarshalAs(UnmanagedType.LPStr) string pDeviceNameg, IntPtr pDevModeOutput, ref IntPtr pDevMo

5、deInput, int fMode);DllImport(winspool.Drv, EntryPoint=GetPrinterA, SetLastError=true, CharSet=CharSet.Ansi, ExactSpelling=true, CallingConvention=CallingConvention.StdCall)private static extern bool GetPrinter(IntPtr hPrinter, Int32 dwLevel, IntPtr pPrinter, Int32 dwBuf, out Int32 dwNeeded);/*DllIm

6、port(winspool.Drv, EntryPoint=OpenPrinterA, SetLastError=true, CharSet=CharSet.Ansi, ExactSpelling=true, CallingConvention=CallingConvention.StdCall)static extern bool OpenPrinter(MarshalAs(UnmanagedType.LPStr) string szPrinter, out IntPtr hPrinter, ref PRINTER_DEFAULTS pd) DllImport( winspool.drv,C

7、harSet=CharSet.Unicode,ExactSpelling=false,CallingConvention=CallingConvention.StdCall )public static extern long OpenPrinter(string pPrinterName, ref IntPtr phPrinter, int pDefault);*/*DllImport(winspool.Drv, EntryPoint=OpenPrinterA, SetLastError=true, CharSet=CharSet.Ansi, ExactSpelling=true, Call

8、ingConvention=CallingConvention.StdCall)static extern bool OpenPrinter(MarshalAs(UnmanagedType.LPStr) string szPrinter, out IntPtr hPrinter, ref PRINTER_DEFAULTS pd);*/ DllImport(winspool.Drv, EntryPoint=OpenPrinterA, SetLastError=true, CharSet=CharSet.Ansi, ExactSpelling=true, CallingConvention=Cal

9、lingConvention.StdCall)private static extern bool OpenPrinter(MarshalAs(UnmanagedType.LPStr) string szPrinter, out IntPtr hPrinter, ref PRINTER_DEFAULTS pd);DllImport(winspool.drv, CharSet=CharSet.Ansi, SetLastError=true)private static extern bool SetPrinter(IntPtr hPrinter, int Level, IntPtr pPrint

10、er, int Command);/*DllImport(winspool.drv, CharSet=CharSet.Ansi, SetLastError=true)private static extern bool SetPrinter(IntPtr hPrinter, int Level, IntPtr pPrinter, int Command);*/ Wrapper for Win32 message formatter./*DllImport(kernel32.dll, CharSet=System.Runtime.InteropServices.CharSet.Auto)priv

11、ate unsafe static extern int FormatMessage( int dwFlags,ref IntPtr pMessageSource,int dwMessageID,int dwLanguageID,ref string lpBuffer,int nSize,IntPtr* pArguments);*/#endregion#region Data structureStructLayout(LayoutKind.Sequential)public struct PRINTER_DEFAULTSpublic int pDatatype;public int pDev

12、Mode;public int DesiredAccess;/*StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)public struct PRINTER_DEFAULTSpublic int pDataType;public IntPtr pDevMode;public ACCESS_MASK DesiredAccess;*/StructLayout(LayoutKind.Sequential)private struct PRINTER_INFO_2MarshalAs(UnmanagedType.LPStr) public

13、string pServerName; MarshalAs(UnmanagedType.LPStr) public string pPrinterName; MarshalAs(UnmanagedType.LPStr) public string pShareName; MarshalAs(UnmanagedType.LPStr) public string pPortName; MarshalAs(UnmanagedType.LPStr) public string pDriverName; MarshalAs(UnmanagedType.LPStr) public string pComm

14、ent; MarshalAs(UnmanagedType.LPStr) public string pLocation; public IntPtr pDevMode; MarshalAs(UnmanagedType.LPStr) public string pSepFile; MarshalAs(UnmanagedType.LPStr) public string pPrintProcessor; MarshalAs(UnmanagedType.LPStr) public string pDatatype; MarshalAs(UnmanagedType.LPStr) public stri

15、ng pParameters; public IntPtr pSecurityDescriptor; public Int32 Attributes; public Int32 Priority; public Int32 DefaultPriority; public Int32 StartTime; public Int32 UntilTime; public Int32 Status; public Int32 cJobs; public Int32 AveragePPM; private const short CCDEVICENAME = 32;private const short

16、 CCFORMNAME = 32;StructLayout(LayoutKind.Sequential) public struct DEVMODE MarshalAs(UnmanagedType.ByValTStr, SizeConst = CCDEVICENAME) public string dmDeviceName;public short dmSpecVersion;public short dmDriverVersion;public short dmSize;public short dmDriverExtra;public int dmFields;public short d

17、mOrientation;public short dmPaperSize;public short dmPaperLength;public short dmPaperWidth;public short dmScale;public short dmCopies;public short dmDefaultSource;public short dmPrintQuality;public short dmColor;public short dmDuplex;public short dmYResolution;public short dmTTOption;public short dm

18、Collate;MarshalAs(UnmanagedType.ByValTStr, SizeConst = CCFORMNAME) public string dmFormName; public short dmUnusedPadding;public short dmBitsPerPel;public int dmPelsWidth;public int dmPelsHeight;public int dmDisplayFlags;public int dmDisplayFrequency;#endregion#region Constantsprivate const int DM_D

19、UPLEX = 0x1000;private const int DM_IN_BUFFER = 8;private const int DM_OUT_BUFFER = 2;private const int PRINTER_ACCESS_ADMINISTER = 0x4;private const int PRINTER_ACCESS_USE = 0x8;private const int STANDARD_RIGHTS_REQUIRED = 0xF0000;private const int PRINTER_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED | P

20、RINTER_ACCESS_ADMINISTER | PRINTER_ACCESS_USE);#endregion#region Function to change printer settings public bool ChangePrinterSetting(string PrinterName,PrinterData PS)if (int)PS.Duplex 3) )throw new ArgumentOutOfRangeException(nDuplexSetting, nDuplexSetting is incorrect.);elsedm = this.GetPrinterSe

21、ttings( PrinterName);dm.dmDefaultSource =(short)PS.source; dm.dmOrientation = (short)PS.Orientation; dm.dmPaperSize =(short)PS.Size;dm.dmDuplex = (short)PS.Duplex; Marshal.StructureToPtr( dm,yDevModeData,true); pinfo.pDevMode = yDevModeData;pinfo.pSecurityDescriptor = IntPtr.Zero;/*update driver dep

22、endent part of the DEVMODE1 = DocumentProperties(IntPtr.Zero, hPrinter, sPrinterName, yDevModeData, ref pinfo.pDevMode, (DM_IN_BUFFER | DM_OUT_BUFFER);*/Marshal.StructureToPtr(pinfo,ptrPrinterInfo,true); lastError = Marshal.GetLastWin32Error();nRet = Convert.ToInt16(SetPrinter(hPrinter, 2, ptrPrinte

23、rInfo, 0);if (nRet = 0)/Unable to set shared printer settings.lastError = Marshal.GetLastWin32Error();/string myErrMsg = GetErrorMessage(lastError);throw new Win32Exception(Marshal.GetLastWin32Error(); if (hPrinter != IntPtr.Zero) ClosePrinter(hPrinter);return Convert.ToBoolean(nRet);private DEVMODE

24、 GetPrinterSettings(string PrinterName)PrinterData PData = new PrinterData(); DEVMODE dm;const int PRINTER_ACCESS_ADMINISTER = 0x4;const int PRINTER_ACCESS_USE = 0x8;const int PRINTER_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED | PRINTER_ACCESS_ADMINISTER | PRINTER_ACCESS_USE);PrinterValues.pDatatype =0;

25、PrinterValues.pDevMode = 0 ;PrinterValues.DesiredAccess = PRINTER_ALL_ACCESS;nRet = Convert.ToInt32(OpenPrinter(PrinterName, out hPrinter, ref PrinterValues);if (nRet = 0)lastError = Marshal.GetLastWin32Error();throw new Win32Exception(Marshal.GetLastWin32Error(); GetPrinter(hPrinter, 2, IntPtr.Zero

26、, 0, out nBytesNeeded);if (nBytesNeeded = 0)throw new System.Exception(Unable to allocate memory);else/ Allocate enough space for PRINTER_INFO_2. ptrPrinterIn fo = Marshal.AllocCoTaskMem(nBytesNeeded);ptrPrinterInfo = Marshal.AllocHGlobal(nBytesNeeded);/ The second GetPrinter fills in all the curren

27、t settings, so all you / need to do is modify what youre interested in.nRet = Convert.ToInt32(GetPrinter(hPrinter, 2, ptrPrinterInfo, nBytesNeeded, out nJunk);if (nRet = 0)lastError = Marshal.GetLastWin32Error();throw new Win32Exception(Marshal.GetLastWin32Error(); pinfo = (PRINTER_INFO_2)Marshal.Pt

28、rToStructure(ptrPrinterInfo, typeof(PRINTER_INFO_2);IntPtr Temp = new IntPtr();if (pinfo.pDevMode = IntPtr.Zero)/ If GetPrinter didnt fill in the DEVMODE, try to get it by calling/ DocumentProperties.IntPtr ptrZero = IntPtr.Zero;/get the size of the devmode structuresizeOfDevMode = DocumentPropertie

29、s(IntPtr.Zero, hPrinter, PrinterName, ptrZero, ref ptrZero, 0);ptrDM = Marshal.AllocCoTaskMem(sizeOfDevMode);int i ;i = DocumentProperties(IntPtr.Zero, hPrinter, PrinterName, ptrDM, ref ptrZero, DM_OUT_BUFFER);if (i 0) | (ptrDM = IntPtr.Zero)/Cannot get the DEVMODE structure.throw new System.Excepti

30、on(Cannot get DEVMODE data); pinfo.pDevMode = ptrDM;intError = DocumentProperties(IntPtr.Zero, hPrinter, PrinterName, IntPtr.Zero , ref Temp , 0);/IntPtr yDevModeData = Marshal.AllocCoTaskMem(i1);yDevModeData= Marshal.AllocHGlobal(intError);intError = DocumentProperties(IntPtr.Zero, hPrinter, PrinterName, yDevModeData , ref Temp , 2);dm = (DEVMODE)Marshal.PtrToStructure(yDevModeData, typeof(DEVMODE);/nRet = DocumentProperties(IntPtr.Zero, hPrinter, sPrinterName, yDevModeData/ , ref yDevModeData, (DM_IN_BUFFER | DM_OUT_BUFFER)