通过几天的学习，终于对打印有了初步的认识，并实现了打印功能，下面将详细介绍下如何使用DevExpress下的打印功能。
首先要实现打印功能必须添加一个引用：DevExpress.XtraPrint
实现打印需要用到的主要的类：
1. public class PrintingSystem : Component, ISupportInitialize,IPrintingSystem,IAccessible,IExporter,IPrintingSystemContext
该类负责提供生成报表的一些方法，还提供了对页面进行设置和打印报表的一些函数，这个类的属性包含了访问其他管理报表的对象，如Document类、BrickGraphics类（在报表上进行画图的类）、XtraPageSettings类（提供对打印页面进行设置的操作）
2. public class PrintableComponentLink : Link
该类的功能是对实现DevExpress.XtraPrinting.IPrintable接口的所有控件进行打印，它提供了一些基本的生成和打印报表的功能。在生成报表以后可以通过PrintingSystem将报表打印出来。
通过以上这两个类就能完全实现各种控件的打印了，只要一个控件实现了DevExpress.XtraPrinting.IPrintable这个接口就能够对该控件进行打印，如GridControl,CharControl等等，下面给出具体的实现方法：
public
class
PrintSettingController
{
PrintingSystem ps =
null
;
string
formName =
null
;
PrintableComponentLink link =
null
;
string
_PrintHeader =
null
;
/// <summary>
/// 打印时的标题
/// </summary>
public
string
PrintHeader
{
set
{
_PrintHeader = value;
}
}
string
_PrintFooter =
null
;
/// <summary>
/// 打印时页脚
/// </summary>
public
string
PrintFooter
{
set
{
_PrintFooter = value;
}
}
bool
_landScape;
/// <summary>
/// 页面横纵向
/// </summary>
public
bool
LandScape
{
set
{ _landScape = value; }
}
System.Drawing.Printing.PaperKind _paperKind;
/// <summary>
/// 纸型
/// </summary>
public
System.Drawing.Printing.PaperKind PaperKind
{
set
{ _paperKind = value; }
}
/// <summary>
/// 打印控制器
/// </summary>
/// <param name="control">要打印的部件</param>
public
PrintSettingController(IPrintable control)
{
if
(control ==
null
)
return
;
Control c = (Control)control;
formName = c.FindForm().GetType().FullName +
"."
+ c.Name;
ps =
new
DevExpress.XtraPrinting.PrintingSystem();
link =
new
DevExpress.XtraPrinting.PrintableComponentLink(ps);
ps.Links.Add(link);
link.Component = control;
}
/// <summary>
/// 打印预览
/// </summary>
public
void
Preview()
{
try
{
if
(DevExpress.XtraPrinting.PrintHelper.IsPrintingAvailable)
{
Cursor.Current = Cursors.AppStarting;
if
(_PrintHeader !=
null
)
{
PageHeaderFooter phf = link.PageHeaderFooter
as
PageHeaderFooter;
//设置页眉
phf.Header.Content.Clear();
phf.Header.Content.AddRange(
new
string
[] {
""
, _PrintHeader,
""
});
phf.Header.Font =
new
System.Drawing.Font(
"宋体"
, 14, System.Drawing.FontStyle.Bold);
phf.Header.LineAlignment = BrickAlignment.Center;
//设置页脚
phf.Footer.Content.Clear();
phf.Footer.Content.AddRange(
new
string
[] {
""
,
""
, _PrintFooter });
phf.Footer.Font =
new
System.Drawing.Font(
"宋体"
, 9, System.Drawing.FontStyle.Regular);
phf.Footer.LineAlignment = BrickAlignment.Center;
}
link.PaperKind = ps.PageSettings.PaperKind ;
link.Margins = ps.PageSettings.Margins;
link.Landscape = ps.PageSettings.Landscape;
link.CreateDocument();
//汉化
DevExpress.XtraPrinting.Localization.PreviewLocalizer.Active =
new
Dxperience.LocalizationCHS.DxperienceXtraPrintingLocalizationCHS();
ps.PreviewFormEx.Show();
}
else
{
Cursor.Current = Cursors.Default;
MessageBox.Show(
"打印机不可用 "
,
"提示"
, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
finally
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// 打印
/// </summary>
public
void
Print()
{
try
{
if
(DevExpress.XtraPrinting.PrintHelper.IsPrintingAvailable)
{
if
(_PrintHeader !=
null
)
{
PageHeaderFooter phf = link.PageHeaderFooter
as
PageHeaderFooter;
//设置页眉
phf.Header.Content.Clear();
phf.Header.Content.AddRange(
new
string
[] {
""
, _PrintHeader,
""
});
phf.Header.Font =
new
System.Drawing.Font(
"宋体"
, 14, System.Drawing.FontStyle.Bold);
phf.Header.LineAlignment = BrickAlignment.Center;
//设置页脚
phf.Footer.Content.Clear();
phf.Footer.Content.AddRange(
new
string
[] {
""
,
""
, _PrintFooter });
phf.Footer.Font =
new
System.Drawing.Font(
"宋体"
, 9, System.Drawing.FontStyle.Regular);
phf.Footer.LineAlignment = BrickAlignment.Center;
}
link.PaperKind = ps.PageSettings.PaperKind;
link.Margins = ps.PageSettings.Margins;
link.Landscape = ps.PageSettings.Landscape;
link.CreateDocument();
link.CreateDocument();
//汉化
DevExpress.XtraPrinting.Localization.PreviewLocalizer.Active =
new
Dxperience.LocalizationCHS.DxperienceXtraPrintingLocalizationCHS();
ps.Print();
}
else
{
Cursor.Current = Cursors.Default;
MessageBox.Show(
"打印机不可用 "
,
"提示"
, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
finally
{
}
}
//获取页面设置信息
public
void
LoadPageSetting()
{
System.Drawing.Printing.Margins margins =
new
System.Drawing.Printing.Margins(60, 60, 60, 60);
ps.PageSettings.Assign(margins, _paperKind, _landScape);
}
}
客户端如何使用：实例化PrintSettingController，进行参数设置，包括页眉页脚横纵向纸型，当然所有这些设置信息也可以在PrintSettingControll类里进行设置了，我这里是需求的需要，所以加在了外面，PrintSystem.PageSettings属性是XtraPageSettings类型，XtraPageSettings类封装了所有的页面设置信息，你可以在LoadPageSetting()函数里面进行修改，来实现自己想要的功能，例如可以把设置信息保存成XML文件
PrintSettingController psc =
new
PrintSettingController(
this
.gridControl1);
//页眉
psc.PrintHeader =
this
.Text;
//页脚
psc.PrintFooter =
this
.dateTimePicker1.Text.ToString();
//横纵向
psc.LandScape =
this
.rbtnHorizon.Checked;
//纸型
psc.PaperKind = System.Drawing.Printing.PaperKind.A4;
//加载页面设置信息
psc.LoadPageSetting();
psc.Preview();