使用C#更改打印机设置.docx
《使用C#更改打印机设置.docx》由会员分享，可在线阅读，更多相关《使用C#更改打印机设置.docx（11页珍藏版）》请在冰豆网上搜索。
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。
publicclassPrinterSettings
{
#region"PrivateVariables"
privateIntPtrhPrinter=newSystem.IntPtr（）;
privatePRINTER_DEFAULTSPrinterValues=newPRINTER_DEFAULTS（）;
privatePRINTER_INFO_2pinfo=newPRINTER_INFO_2（）;
privateDEVMODEdm;
privateIntPtrptrDM;
privateIntPtrptrPrinterInfo;
privateintsizeOfDevMode=0;
privateintlastError;
privateintnBytesNeeded;
privatelongnRet;
privateintintError;
privateSystem.Int32nJunk;
privateIntPtryDevModeData;
#endregion
#region"WinAPIDef"
[DllImport（"kernel32.dll",EntryPoint="GetLastError",SetLastError=false,
ExactSpelling=true,CallingConvention=CallingConvention.StdCall）]
privatestaticexternInt32GetLastError（）;
[DllImport（"winspool.Drv",EntryPoint="ClosePrinter",SetLastError=true,
ExactSpelling=true,CallingConvention=CallingConvention.StdCall）]
privatestaticexternboolClosePrinter（IntPtrhPrinter）;
[DllImport（"winspool.Drv",EntryPoint="DocumentPropertiesA",SetLastError=true,
ExactSpelling=true,CallingConvention=CallingConvention.StdCall）]
privatestaticexternintDocumentProperties（IntPtrhwnd,IntPtrhPrinter,
[MarshalAs（UnmanagedType.LPStr）]stringpDeviceNameg,
IntPtrpDevModeOutput,refIntPtrpDevModeInput,intfMode）;
[DllImport（"winspool.Drv",EntryPoint="GetPrinterA",SetLastError=true,
CharSet=CharSet.Ansi,ExactSpelling=true,
CallingConvention=CallingConvention.StdCall）]
privatestaticexternboolGetPrinter（IntPtrhPrinter,Int32dwLevel,
IntPtrpPrinter,Int32dwBuf,outInt32dwNeeded）;
/*[DllImport（"winspool.Drv",EntryPoint="OpenPrinterA",
SetLastError=true,CharSet=CharSet.Ansi,
ExactSpelling=true,CallingConvention=CallingConvention.StdCall）]
staticexternboolOpenPrinter（[MarshalAs（UnmanagedType.LPStr）]stringszPrinter,
outIntPtrhPrinter,refPRINTER_DEFAULTSpd）
[DllImport（"winspool.drv",CharSet=CharSet.Unicode,ExactSpelling=false,
CallingConvention=CallingConvention.StdCall）]
publicstaticexternlongOpenPrinter（stringpPrinterName,
refIntPtrphPrinter,intpDefault）;*/
/*[DllImport（"winspool.Drv",EntryPoint="OpenPrinterA",
SetLastError=true,CharSet=CharSet.Ansi,
ExactSpelling=true,CallingConvention=CallingConvention.StdCall）]
staticexternboolOpenPrinter（[MarshalAs（UnmanagedType.LPStr）]stringszPrinter,
outIntPtrhPrinter,refPRINTER_DEFAULTSpd）;
*/
[DllImport（"winspool.Drv",EntryPoint="OpenPrinterA",
SetLastError=true,CharSet=CharSet.Ansi,
ExactSpelling=true,CallingConvention=CallingConvention.StdCall）]
privatestaticexternbool
OpenPrinter（[MarshalAs（UnmanagedType.LPStr）]stringszPrinter,
outIntPtrhPrinter,refPRINTER_DEFAULTSpd）;
[DllImport（"winspool.drv",CharSet=CharSet.Ansi,SetLastError=true）]
privatestaticexternboolSetPrinter（IntPtrhPrinter,intLevel,IntPtr
pPrinter,intCommand）;
/*[DllImport（"winspool.drv",CharSet=CharSet.Ansi,SetLastError=true）]
privatestaticexternboolSetPrinter（IntPtrhPrinter,intLevel,IntPtr
pPrinter,intCommand）;*/
//WrapperforWin32messageformatter.
/*[DllImport（"kernel32.dll",CharSet=System.Runtime.InteropServices.CharSet.Auto）]
privateunsafestaticexternintFormatMessage（intdwFlags,
refIntPtrpMessageSource,
intdwMessageID,
intdwLanguageID,
refstringlpBuffer,
intnSize,
IntPtr*pArguments）;*/
#endregion
#region"Datastructure"
[StructLayout（LayoutKind.Sequential）]
publicstructPRINTER_DEFAULTS
{
publicintpDatatype;
publicintpDevMode;
publicintDesiredAccess;
}
/*[StructLayout（LayoutKind.Sequential,CharSet=CharSet.Auto）]
publicstructPRINTER_DEFAULTS
{
publicintpDataType;
publicIntPtrpDevMode;
publicACCESS_MASKDesiredAccess;
}*/
[StructLayout（LayoutKind.Sequential）]
privatestructPRINTER_INFO_2
{
[MarshalAs（UnmanagedType.LPStr）]publicstringpServerName;
[MarshalAs（UnmanagedType.LPStr）]publicstringpPrinterName;
[MarshalAs（UnmanagedType.LPStr）]publicstringpShareName;
[MarshalAs（UnmanagedType.LPStr）]publicstringpPortName;
[MarshalAs（UnmanagedType.LPStr）]publicstringpDriverName;
[MarshalAs（UnmanagedType.LPStr）]publicstringpComment;
[MarshalAs（UnmanagedType.LPStr）]publicstringpLocation;
publicIntPtrpDevMode;
[MarshalAs（UnmanagedType.LPStr）]publicstringpSepFile;
[MarshalAs（UnmanagedType.LPStr）]publicstringpPrintProcessor;
[MarshalAs（UnmanagedType.LPStr）]publicstringpDatatype;
[MarshalAs（UnmanagedType.LPStr）]publicstringpParameters;
publicIntPtrpSecurityDescriptor;
publicInt32Attributes;
publicInt32Priority;
publicInt32DefaultPriority;
publicInt32StartTime;
publicInt32UntilTime;
publicInt32Status;
publicInt32cJobs;
publicInt32AveragePPM;
}
privateconstshortCCDEVICENAME=32;
privateconstshortCCFORMNAME=32;
[StructLayout（LayoutKind.Sequential）]
publicstructDEVMODE
{
[MarshalAs（UnmanagedType.ByValTStr,SizeConst=CCDEVICENAME）]
publicstringdmDeviceName;
publicshortdmSpecVersion;
publicshortdmDriverVersion;
publicshortdmSize;
publicshortdmDriverExtra;
publicintdmFields;
publicshortdmOrientation;
publicshortdmPaperSize;
publicshortdmPaperLength;
publicshortdmPaperWidth;
publicshortdmScale;
publicshortdmCopies;
publicshortdmDefaultSource;
publicshortdmPrintQuality;
publicshortdmColor;
publicshortdmDuplex;
publicshortdmYResolution;
publicshortdmTTOption;
publicshortdmCollate;
[MarshalAs（UnmanagedType.ByValTStr,SizeConst=CCFORMNAME）]
publicstringdmFormName;
publicshortdmUnusedPadding;
publicshortdmBitsPerPel;
publicintdmPelsWidth;
publicintdmPelsHeight;
publicintdmDisplayFlags;
publicintdmDisplayFrequency;
}
#endregion
#region"Constants"
privateconstintDM_DUPLEX=0x1000;
privateconstintDM_IN_BUFFER=8;
privateconstintDM_OUT_BUFFER=2;
privateconstintPRINTER_ACCESS_ADMINISTER=0x4;
privateconstintPRINTER_ACCESS_USE=0x8;
privateconstintSTANDARD_RIGHTS_REQUIRED=0xF0000;
privateconstintPRINTER_ALL_ACCESS=
（STANDARD_RIGHTS_REQUIRED|PRINTER_ACCESS_ADMINISTER
|PRINTER_ACCESS_USE）;
#endregion
#region"Functiontochangeprintersettings"
publicboolChangePrinterSetting（stringPrinterName,PrinterDataPS）
{
if（（（int）PS.Duplex<1）||（（int）PS.Duplex>3））
{
thrownewArgumentOutOfRangeException（"nDuplexSetting",
"nDuplexSettingisincorrect."）;
}
else
{
dm=this.GetPrinterSettings（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;
/*updatedriverdependentpartoftheDEVMODE
1=DocumentProperties（IntPtr.Zero,hPrinter,sPrinterName,yDevModeData
refpinfo.pDevMode,（DM_IN_BUFFER|DM_OUT_BUFFER））;*/
Marshal.StructureToPtr（pinfo,ptrPrinterInfo,true）;
lastError=Marshal.GetLastWin32Error（）;
nRet=Convert.ToInt16（SetPrinter（hPrinter,2,ptrPrinterInfo,0））;
if（nRet==0）
{
//Unabletosetsharedprintersettings.
lastError=Marshal.GetLastWin32Error（）;
//stringmyErrMsg=GetErrorMessage（lastError）;
thrownewWin32Exception（Marshal.GetLastWin32Error（））;
}
if（hPrinter!
=IntPtr.Zero）
ClosePrinter（hPrinter）;
returnConvert.ToBoolean（nRet）;
}
}
privateDEVMODEGetPrinterSettings（stringPrinterName）
{
PrinterDataPData=newPrinterData（）;
DEVMODEdm;
constintPRINTER_ACCESS_ADMINISTER=0x4;
constintPRINTER_ACCESS_USE=0x8;
constintPRINTER_ALL_ACCESS=（STANDARD_RIGHTS_REQUIRED|
PRINTER_ACCESS_ADMINISTER|PRINTER_ACCESS_USE）;
PrinterValues.pDatatype=0;
PrinterValues.pDevMode=0;
PrinterValues.DesiredAccess=PRINTER_ALL_ACCESS;
nRet=Convert.ToInt32（OpenPrinter（PrinterName,
outhPrinter,refPrinterValues））;
if（nRet==0）
{
lastError=Marshal.GetLastWin32Error（）;
thrownewWin32Exception（Marshal.GetLastWin32Error（））;
}
GetPrinter（hPrinter,2,IntPtr.Zero,0,outnBytesNeeded）;
if（nBytesNeeded<=0）
{
thrownewSystem.Exception（"Unabletoallocatememory"）;
}
else
{
//AllocateenoughspaceforPRINTER_INFO_2...
{ptrPrinterInfo=Marshal.AllocCoTaskMem（nBytesNeeded）};
ptrPrinterInfo=Marshal.AllocHGlobal（nBytesNeeded）;
//ThesecondGetPrinterfillsinallthecurrentsettings,soallyou
//needtodoismodifywhatyou'reinterestedin...
nRet=Convert.ToInt32（GetPrinter（hPrinter,2,
ptrPrinterInfo,nBytesNeeded,outnJunk））;
if（nRet==0）
{
lastError=Marshal.GetLastWin32Error（）;
thrownewWin32Exception（Marshal.GetLastWin32Error（））;
}
pinfo=（PRINTER_INFO_2）Marshal.PtrToStructure（ptrPrinterInfo,
typeof（PRINTER_INFO_2））;
IntPtrTemp=newIntPtr（）;
if（pinfo.pDevMode==IntPtr.Zero）
{
//IfGetPrinterdidn'tfillintheDEVMODE,trytogetitbycalling
//DocumentProperties...
IntPtrptrZero=IntPtr.Zero;
//getthesizeofthedevmodestructure
sizeOfDevMode=DocumentProperties（IntPtr.Zero,hPrinter,
PrinterName,ptrZero,refptrZero,0）;
ptrDM=Marshal.AllocCoTaskMem（sizeOfDevMode）;
inti;
i=DocumentProperties（IntPtr.Zero,hPrinter,PrinterName,ptrDM,
refptrZero,DM_OUT_BUFFER）;
if（（i<0）||（ptrDM==IntPtr.Zero））
{
//CannotgettheDEVMODEstructure.
thrownewSystem.Exception（"CannotgetDEVMODEdata"）;
}
pinfo.pDevMode=ptrDM;
}
intError=DocumentProperties（IntPtr.Zero,hPrinter,
PrinterName,IntPtr.Zero,refTemp,0）;
//IntPtryDevModeData=Marshal.AllocCoTaskMem（i1）;
yDevModeData=Marshal.AllocHGlobal（intError）;
intError=DocumentProperties（IntPtr.Zero,hPrinter,
PrinterName,yDevModeData,refTemp,2）;
dm=（DEVMODE）Marshal.PtrToStructure（yDevModeData,typeof（DEVMODE））;
//nRet=DocumentProperties（IntPtr.Zero,hPrinter,sPrinterName,yDevModeData
//,refyDevModeData,（DM_IN_BUFFER|DM_OUT_BUFFER）
升级会员 