该示例要求每行都适合页面宽度。
对于此示例，
System.ComponentModel
请使用 、
System.Drawing
、
System.Drawing.Printing
System.IO
、 和
System.Windows.Forms
命名空间。
#using <System.dll>
#using <System.Windows.Forms.dll>
#using <System.Drawing.dll>
using namespace System;
using namespace System::IO;
using namespace System::Drawing;
using namespace System::Drawing::Printing;
using namespace System::Windows::Forms;
public ref class PrintingExample
private:
Font^ printFont;
StreamReader^ streamToPrint;
static String^ filePath;
public:
PrintingExample()
Printing();
private:
// The PrintPage event is raised for each page to be printed.
void pd_PrintPage( Object^ /*sender*/, PrintPageEventArgs^ ev )
float linesPerPage = 0;
float yPos = 0;
int count = 0;
float leftMargin = (float)ev->MarginBounds.Left;
float topMargin = (float)ev->MarginBounds.Top;
String^ line = nullptr;
// Calculate the number of lines per page.
linesPerPage = ev->MarginBounds.Height / printFont->GetHeight( ev->Graphics );
// Iterate over the file, printing each line.
while ( count < linesPerPage && ((line = streamToPrint->ReadLine()) != nullptr) )
yPos = topMargin + (count * printFont->GetHeight( ev->Graphics ));
ev->Graphics->DrawString( line, printFont, Brushes::Black, leftMargin, yPos, gcnew StringFormat );
count++;
// If more lines exist, print another page.
if ( line != nullptr )
ev->HasMorePages = true;
ev->HasMorePages = false;
public:
// Print the file.
void Printing()
streamToPrint = gcnew StreamReader( filePath );
printFont = gcnew Font( "Arial",10 );
PrintDocument^ pd = gcnew PrintDocument;
pd->PrintPage += gcnew PrintPageEventHandler( this, &PrintingExample::pd_PrintPage );
// Print the document.
pd->Print();
finally
streamToPrint->Close();
catch ( Exception^ ex )
MessageBox::Show( ex->Message );
static void Main()
array<String^>^args = Environment::GetCommandLineArgs();
String^ sampleName = args[ 0 ];
if ( args->Length != 2 )
Console::WriteLine( "Usage: {0} <file path>", sampleName );
return;
filePath = args[ 1 ];
gcnew PrintingExample;
int main()
PrintingExample::Main();
using System;
using System.IO;
using System.Drawing;
using System.Drawing.Printing;
using System.Windows.Forms;
public class PrintingExample
private Font printFont;
private StreamReader streamToPrint;
static string filePath;
public PrintingExample()
Printing();
// The PrintPage event is raised for each page to be printed.
private void pd_PrintPage(object sender, PrintPageEventArgs ev)
float linesPerPage = 0;
float yPos = 0;
int count = 0;
float leftMargin = ev.MarginBounds.Left;
float topMargin = ev.MarginBounds.Top;
String line=null;
// Calculate the number of lines per page.
linesPerPage = ev.MarginBounds.Height /
printFont.GetHeight(ev.Graphics) ;
// Iterate over the file, printing each line.
while (count < linesPerPage &&
((line=streamToPrint.ReadLine()) != null))
yPos = topMargin + (count * printFont.GetHeight(ev.Graphics));
ev.Graphics.DrawString (line, printFont, Brushes.Black,
leftMargin, yPos, new StringFormat());
count++;
// If more lines exist, print another page.
if (line != null)
ev.HasMorePages = true;
ev.HasMorePages = false;
// Print the file.
public void Printing()
streamToPrint = new StreamReader (filePath);
printFont = new Font("Arial", 10);
PrintDocument pd = new PrintDocument();
pd.PrintPage += new PrintPageEventHandler(pd_PrintPage);
// Print the document.
pd.Print();
finally
streamToPrint.Close() ;
catch(Exception ex)
MessageBox.Show(ex.Message);
// This is the main entry point for the application.
public static void Main(string[] args)
string sampleName = Environment.GetCommandLineArgs()[0];
if(args.Length != 1)
Console.WriteLine("Usage: " + sampleName +" <file path>");
return;
filePath = args[0];
new PrintingExample();
Imports System.IO
Imports System.Drawing
Imports System.Drawing.Printing
Imports System.Windows.Forms
Public Class PrintingExample
Private printFont As Font
Private streamToPrint As StreamReader
Private Shared filePath As String
Public Sub New()
Printing()
End Sub
' The PrintPage event is raised for each page to be printed.
Private Sub pd_PrintPage(sender As Object, ev As PrintPageEventArgs)
Dim linesPerPage As Single = 0
Dim yPos As Single = 0
Dim count As Integer = 0
Dim leftMargin As Single = ev.MarginBounds.Left
Dim topMargin As Single = ev.MarginBounds.Top
Dim line As String = Nothing
' Calculate the number of lines per page.
linesPerPage = ev.MarginBounds.Height / printFont.GetHeight(ev.Graphics)
' Iterate over the file, printing each line.
While count < linesPerPage
line = streamToPrint.ReadLine()
If line Is Nothing Then
Exit While
End If
yPos = topMargin + count * printFont.GetHeight(ev.Graphics)
ev.Graphics.DrawString(line, printFont, Brushes.Black, leftMargin, _
yPos, New StringFormat())
count += 1
End While
' If more lines exist, print another page.
If (line IsNot Nothing) Then
ev.HasMorePages = True
ev.HasMorePages = False
End If
End Sub
' Print the file.
Public Sub Printing()
streamToPrint = New StreamReader(filePath)
printFont = New Font("Arial", 10)
Dim pd As New PrintDocument()
AddHandler pd.PrintPage, AddressOf pd_PrintPage
' Print the document.
pd.Print()
Finally
streamToPrint.Close()
End Try
Catch ex As Exception
MessageBox.Show(ex.Message)
End Try
End Sub
' This is the main entry point for the application.
Public Shared Sub Main()
Dim args() As String = System.Environment.GetCommandLineArgs()
Dim sampleName As String = args(0)
If args.Length <> 1 Then
Console.WriteLine("Usage: " & sampleName & " <file path>")
Return
End If
filePath = args(0)
End Sub
End Class
通过处理
PrintPage
事件并使用
Graphics
中包含的 指定要打印的
PrintPageEventArgs
输出。
PrinterSettings.PrinterName
使用 属性指定应打印文档的打印机。
方法
Print
打印文档而不使用打印对话框。
PrintDialog
如果要为用户提供选择打印设置的功能，请使用 。
如果在打印过程中引发方法未处理的
Print
异常，则文档的打印将中止。
