c# PrintDocument 设置自定义纸张大小的示例

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Drawing.Printing;

namespace PrintService
{
class AFCSPrinter :
{
/*页面打印委托*/
public delegate void DoPrintDelegate(Graphics g, ref bool HasMorePage);

PrintDocument iSPriner = null;
bool m_bUseDefaultPaperSetting = false;

DoPrintDelegate DoPrint = null;



public AFCSPrinter()
{
iSPriner = new PrintDocument();
iSPriner.PrintPage += new PrintPageEventHandler
(this.OnPrintPage);

}

public void Dispose()
{
if (iSPriner != null) iSPriner.Dispose();
iSPriner = null;

}

/*设置打印机名*/
public string PrinterName
{
get { return iSPriner.PrinterSettings.PrinterName; }
set { iSPriner.PrinterSettings.PrinterName = value; }
}

/*设置打印文档名*/
public string DocumentName
{
get { return iSPriner.DocumentName; }
set { iSPriner.DocumentName = value; }
}

/*设置是否使用缺省纸张*/
public bool UseDefaultPaper
{
get { return m_bUseDefaultPaperSetting; }
set
{
m_bUseDefaultPaperSetting = value;
if (!m_bUseDefaultPaperSetting)
{
//如果不适用缺省纸张则创建一个自定义纸张，注意，必须使用这个版本的构造函数才是自定义的纸张
PaperSize ps=new PaperSize("Custom Size 1",827,1169);
//将缺省的纸张设置为新建的自定义纸张
iSPriner.DefaultPageSettings.PaperSize = ps;
}
}
}

/*纸张宽度 单位定义为毫米mm*/
public float PaperWidth
{
get { return iSPriner.DefaultPageSettings.PaperSize.Width / 100f * 25.4f; }
set
{
//注意，只有自定义纸张才能修改该属性，否则将导致异常
if(iSPriner.DefaultPageSettings.PaperSize.Kind==PaperKind.Custom)
iSPriner.DefaultPageSettings.PaperSize.Width = (int)(value / 25.4 * 100);
}
}

/*纸张高度 单位定义为毫米mm*/
public float PaperHeight
{
get { return (int)iSPriner.PrinterSettings.DefaultPageSettings.PaperSize.Height / 100f * 25.4f; }
set
{
//注意，只有自定义纸张才能修改该属性，否则将导致异常
if (iSPriner.DefaultPageSettings.PaperSize.Kind == PaperKind.Custom)
iSPriner.DefaultPageSettings.PaperSize.Height = (int)(value / 25.4 * 100);
}
}


/*页面打印*/
private void OnPrintPage(object sender, PrintPageEventArgs ev)
{

//调用委托绘制打印内容
if (DoPrint != null)
{
bool bHadMore = false;
DoPrint(ev.Graphics, ref bHadMore);
ev.HasMorePages = bHadMore;

}

}


/* 开始打印*/
public void Print(DoPrintDelegate doPrint)
{

DoPrint = doPrint;
this.iSPriner.Print();
}
}
}