1、需要创建一种纸张
2、选定创建的纸张后设置纸张的尺寸
实现代码如下：
using System;
using System.Text;
using System.Runtime;
using System.Security;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace DBSoft.Report.ReportService
{
public class DBPaperSize
{
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]
internal struct structPrinterDefaults
{
[MarshalAs(UnmanagedType.LPTStr)] public String pDatatype;
public IntPtr pDevMode;
[MarshalAs(UnmanagedType.I4)] public int DesiredAccess;
};
[DllImport("winspool.Drv", EntryPoint="OpenPrinter", SetLastError=true, CharSet=CharSet.Unicode, ExactSpelling=false,CallingConvention=CallingConvention.StdCall),SuppressUnmanagedCodeSecurityAttribute()]
internal static extern bool OpenPrinter([MarshalAs(UnmanagedType.LPTStr)]
string printerName,
out IntPtr phPrinter,
ref structPrinterDefaults pd);
[DllImport("winspool.Drv", EntryPoint="ClosePrinter", SetLastError=true,CharSet=CharSet.Unicode, ExactSpelling=false,CallingConvention=CallingConvention.StdCall),SuppressUnmanagedCodeSecurityAttribute()]
internal static extern bool ClosePrinter(IntPtr phPrinter);
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]
internal struct structSize
{
public Int32 width;
public Int32 height;
}
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]
internal struct structRect
{
public Int32 left;
public Int32 top;
public Int32 right;
public Int32 bottom;
}
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]
internal struct structFormInfo1
{
[MarshalAs(UnmanagedType.I4)] public int Flags;
[MarshalAs(UnmanagedType.LPTStr)] public String pName;
public structSize Size;
public structRect ImageableArea;
};
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]
internal struct structDevMode
{
[MarshalAs(UnmanagedType.ByValTStr, SizeConst=32)] public String
dmDeviceName;
[MarshalAs(UnmanagedType.U2)] public short dmSpecVersion;
[MarshalAs(UnmanagedType.U2)] public short dmDriverVersion;
[MarshalAs(UnmanagedType.U2)] public short dmSize;
[MarshalAs(UnmanagedType.U2)] public short dmDriverExtra;
[MarshalAs(UnmanagedType.U4)] public int dmFields;
[MarshalAs(UnmanagedType.I2)] public short dmOrientation;
[MarshalAs(UnmanagedType.I2)] public short dmPaperSize;
[MarshalAs(UnmanagedType.I2)] public short dmPaperLength;
[MarshalAs(UnmanagedType.I2)] public short dmPaperWidth;
[MarshalAs(UnmanagedType.I2)] public short dmScale;
[MarshalAs(UnmanagedType.I2)] public short dmCopies;
[MarshalAs(UnmanagedType.I2)] public short dmDefaultSource;
[MarshalAs(UnmanagedType.I2)] public short dmPrintQuality;
[MarshalAs(UnmanagedType.I2)] public short dmColor;
[MarshalAs(UnmanagedType.I2)] public short dmDuplex;
[MarshalAs(UnmanagedType.I2)] public short dmYResolution;
[MarshalAs(UnmanagedType.I2)] public short dmTTOption;
[MarshalAs(UnmanagedType.I2)] public short dmCollate;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst=32)] public String dmFormName;
[MarshalAs(UnmanagedType.U2)] public short dmLogPixels;
[MarshalAs(UnmanagedType.U4)] public int dmBitsPerPel;
[MarshalAs(UnmanagedType.U4)] public int dmPelsWidth;
[MarshalAs(UnmanagedType.U4)] public int dmPelsHeight;
[MarshalAs(UnmanagedType.U4)] public int dmNup;
[MarshalAs(UnmanagedType.U4)] public int dmDisplayFrequency;
[MarshalAs(UnmanagedType.U4)] public int dmICMMethod;
[MarshalAs(UnmanagedType.U4)] public int dmICMIntent;
[MarshalAs(UnmanagedType.U4)] public int dmMediaType;
[MarshalAs(UnmanagedType.U4)] public int dmDitherType;
[MarshalAs(UnmanagedType.U4)] public int dmReserved1;
[MarshalAs(UnmanagedType.U4)] public int dmReserved2;
}
[DllImport("winspool.Drv", EntryPoint="AddForm", SetLastError=true, CharSet=CharSet.Unicode, ExactSpelling=false,CallingConvention=CallingConvention.StdCall),SuppressUnmanagedCodeSecurityAttribute()]
internal static extern bool AddForm(IntPtr phPrinter,[MarshalAs(UnmanagedType.I4)] int level, ref structFormInfo1 form);
[DllImport("winspool.Drv", EntryPoint="DeleteForm", SetLastError=true, CharSet=CharSet.Unicode, ExactSpelling=false,CallingConvention=CallingConvention.StdCall),SuppressUnmanagedCodeSecurityAttribute()]
internal static extern bool DeleteForm(IntPtr phPrinter,[MarshalAs(UnmanagedType.LPTStr)] string pName);
[DllImport("winspool.Drv", EntryPoint="SetForm", SetLastError=true, CharSet=CharSet.Unicode, ExactSpelling=false,CallingConvention=CallingConvention.StdCall),SuppressUnmanagedCodeSecurityAttribute()]
internal static extern bool SetForm(IntPtr phPrinter,[MarshalAs(UnmanagedType.LPTStr)] string pName,[MarshalAs(UnmanagedType.I4)] int level, ref structFormInfo1 form);
[DllImport("kernel32.dll", EntryPoint="GetLastError", SetLastError=false,ExactSpelling=true, CallingConvention=CallingConvention.StdCall),SuppressUnmanagedCodeSecurityAttribute()]
internal static extern Int32 GetLastError();
[DllImport("GDI32.dll", EntryPoint="CreateDC", SetLastError=true, CharSet=CharSet.Unicode, ExactSpelling=false, CallingConvention=CallingConvention.StdCall),SuppressUnmanagedCodeSecurityAttribute()]
internal static extern IntPtr CreateDC([MarshalAs(UnmanagedType.LPTStr)]string pDrive, [MarshalAs(UnmanagedType.LPTStr)] string pName, [MarshalAs(UnmanagedType.LPTStr)] string pOutput,ref structDevMode pDevMode);
[DllImport("GDI32.dll", EntryPoint="ResetDC", SetLastError=true, CharSet=CharSet.Unicode, ExactSpelling=false, CallingConvention=CallingConvention.StdCall),SuppressUnmanagedCodeSecurityAttribute()]
internal static extern IntPtr ResetDC(IntPtr hDC, ref structDevMode pDevMode);
[DllImport("GDI32.dll", EntryPoint="DeleteDC", SetLastError=true, CharSet=CharSet.Unicode, ExactSpelling=false,CallingConvention=CallingConvention.StdCall),SuppressUnmanagedCodeSecurityAttribute()]
internal static extern bool DeleteDC(IntPtr hDC);
public System.Drawing.Printing.PaperSize GetPrintForm(string printerName,string paperName)
{
System.Drawing.Printing.PaperSize paper=null;
System.Drawing.Printing.PrinterSettings printer=new System.Drawing.Printing.PrinterSettings();
printer.PrinterName=printerName;
foreach(System.Drawing.Printing.PaperSize ps in printer.PaperSizes)
{
if(ps.PaperName.ToLower()==paperName.ToLower())
{
paper=ps;
break;
}
}
return paper;
}
public void SetPrintForm(string printerName,string paperName,float width,float height)
{
if (PlatformID.Win32NT == Environment.OSVersion.Platform)
{
const int PRINTER_ACCESS_USE = 0x00000008;
const int PRINTER_ACCESS_ADMINISTER = 0x00000004;
structPrinterDefaults defaults = new structPrinterDefaults();
defaults.pDatatype = null;
defaults.pDevMode = IntPtr.Zero;
defaults.DesiredAccess = PRINTER_ACCESS_ADMINISTER | PRINTER_ACCESS_USE;
IntPtr hPrinter = IntPtr.Zero;
if (OpenPrinter(printerName, out hPrinter, ref defaults))
{
try
{
structFormInfo1 formInfo = new structFormInfo1();
formInfo.Flags = 0;
formInfo.pName = paperName;
formInfo.Size.width = (int)(width * 100.0);
formInfo.Size.height = (int)(height * 100.0);
formInfo.ImageableArea.left = 0;
formInfo.ImageableArea.right = formInfo.Size.width;
formInfo.ImageableArea.top = 0;
formInfo.ImageableArea.bottom = formInfo.Size.height;
bool rslt=false;
if(GetPrintForm(printerName,paperName)!=null)
{
rslt=SetForm(hPrinter,paperName,1,ref formInfo);
}
else
{
this.AddCustomPaperSize(printerName,paperName,width,height);
rslt=true;
}
if(!rslt)
{
StringBuilder strBuilder = new StringBuilder();
strBuilder.AppendFormat("添加纸张{0}时发生错误!, 系统错误号: {1}", paperName, GetLastError());
//throw new ApplicationException(strBuilder.ToString());
MessageBox.Show(strBuilder.ToString());
}
}
finally
{
ClosePrinter(hPrinter);
}
}
}
}
public void AddCustomPaperSize(string printerName, string paperName, float width, float height)
{
if (PlatformID.Win32NT == Environment.OSVersion.Platform)
{
const int PRINTER_ACCESS_USE = 0x00000008;
const int PRINTER_ACCESS_ADMINISTER = 0x00000004;
structPrinterDefaults defaults = new structPrinterDefaults();
defaults.pDatatype = null;
defaults.pDevMode = IntPtr.Zero;
defaults.DesiredAccess = PRINTER_ACCESS_ADMINISTER | PRINTER_ACCESS_USE;
IntPtr hPrinter = IntPtr.Zero;
if (OpenPrinter(printerName, out hPrinter, ref defaults))
{
try
{
DeleteForm(hPrinter, paperName);
structFormInfo1 formInfo = new structFormInfo1();
formInfo.Flags = 0;
formInfo.pName = paperName;
formInfo.Size.width = (int)(width * 100.0);
formInfo.Size.height = (int)(height * 100.0);
formInfo.ImageableArea.left = 0;
formInfo.ImageableArea.right = formInfo.Size.width;
formInfo.ImageableArea.top = 0;
formInfo.ImageableArea.bottom = formInfo.Size.height;
if (!AddForm(hPrinter, 1, ref formInfo))
{
StringBuilder strBuilder = new StringBuilder();
strBuilder.AppendFormat("添加纸张{0}时发生错误!, 系统错误号: {1}", paperName, GetLastError());
throw new ApplicationException(strBuilder.ToString());
}
}
finally
{
ClosePrinter(hPrinter);
}
}
else
{
StringBuilder strBuilder = new StringBuilder();
strBuilder.AppendFormat("打开打印机{0} 时出现异常!, 系统错误号: {1}", printerName, GetLastError());
throw new ApplicationException(strBuilder.ToString());
}
}
else
{
structDevMode pDevMode = new structDevMode();
IntPtr hDC = CreateDC(null, printerName, null, ref pDevMode);
if (hDC != IntPtr.Zero)
{
const long DM_PAPERSIZE = 0x00000002L;
const long DM_PAPERLENGTH = 0x00000004L;
const long DM_PAPERWIDTH = 0x00000008L;
pDevMode.dmFields = (int)(DM_PAPERSIZE | DM_PAPERWIDTH | DM_PAPERLENGTH);
pDevMode.dmPaperSize = 256;
pDevMode.dmPaperWidth = (short)(width * 2.54 * 10000.0);
pDevMode.dmPaperLength = (short)(height * 2.54 * 10000.0);
ResetDC(hDC, ref pDevMode);
DeleteDC(hDC);
}
}
}
}
}
