本文整理汇总了VB.NET中System.Drawing.Printing.PrintDocument.PrintPage事件的典型用法代码示例。如果您正苦于以下问题:VB.NET PrintDocument.PrintPage事件的具体用法?VB.NET PrintDocument.PrintPage怎么用?VB.NET PrintDocument.PrintPage使用的例子?那么, 这里精选的事件代码示例或许可以为您提供帮助。您也可以进一步了解该事件所在类System.Drawing.Printing.PrintDocument
的用法示例。
在下文中一共展示了PrintDocument.PrintPage事件的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: MainClass
' 导入命名空间
Imports System
Imports System.Collections
Imports System.Data
Imports System.IO
Imports System.Xml.Serialization
Imports System.Windows.Forms
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Drawing.Text
Imports System.Drawing.Printing
Public Class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1()
Application.Run(form1)
End Sub
End Class
Public Class Form1
Inherits System.Windows.Forms.Form
#Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
'This call is required by the Windows Form Designer.
InitializeComponent()
'Add any initialization after the InitializeComponent() call
End Sub
'Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
Friend WithEvents PrintDocument1 As System.Drawing.Printing.PrintDocument
Friend WithEvents Button1 As System.Windows.Forms.Button
Friend WithEvents PictureBox1 As System.Windows.Forms.PictureBox
'Required by the Windows Form Designer
Private components As System.ComponentModel.Container
'NOTE: The following procedure is required by the Windows Form Designer
'It can be modified using the Windows Form Designer.
'Do not modify it using the code editor.
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(Form1))
Me.PrintDocument1 = New System.Drawing.Printing.PrintDocument()
Me.Button1 = New System.Windows.Forms.Button()
Me.PictureBox1 = New System.Windows.Forms.PictureBox()
Me.SuspendLayout()
'
'PrintDocument1
'
'
'Button1
'
Me.Button1.Location = New System.Drawing.Point(16, 216)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(264, 32)
Me.Button1.TabIndex = 0
Me.Button1.Text = "Print"
'
'PictureBox1
'
Me.PictureBox1.Image = New System.Drawing.Bitmap("figure2.bmp")
Me.PictureBox1.Location = New System.Drawing.Point(16, 8)
Me.PictureBox1.Name = "PictureBox1"
Me.PictureBox1.Size = New System.Drawing.Size(264, 200)
Me.PictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage
Me.PictureBox1.TabIndex = 1
Me.PictureBox1.TabStop = False
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(6, 15)
Me.ClientSize = New System.Drawing.Size(292, 268)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.PictureBox1, Me.Button1})
Me.Name = "Form1"
Me.Text = "Printing demo"
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
End Sub
Private Sub PrintDocument1_PrintPage(ByVal sender As System.Object, _
ByVal e As System.Drawing.Printing.PrintPageEventArgs) _
Handles PrintDocument1.PrintPage
Dim g As Graphics
g = e.Graphics
g.DrawImage(PictureBox1.Image, 0, 0)
g.Dispose()
e.HasMorePages = False
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Button1.Click
Dim PrintDialog1 As New PrintDialog()
PrintDialog1.Document = PrintDocument1
If PrintDialog1.ShowDialog() = DialogResult.OK Then
PrintDocument1.Print()
End If
End Sub
End Class
示例2: Form1
' 导入命名空间
Imports System.IO
Imports System.Drawing
Imports System.Drawing.Printing
Imports System.Windows.Forms
Public Class Form1
Inherits System.Windows.Forms.Form
Private WithEvents printButton As System.Windows.Forms.Button
Private printFont As Font
Private streamToPrint As StreamReader
Public Sub New()
' The Windows Forms Designer requires the following call.
InitializeComponent()
InitializeForm()
End Sub
' The Click event is raised when the user clicks the Print button.
Private Sub printButton_Click(ByVal sender As Object, ByVal e As EventArgs) Handles printButton.Click
Try
streamToPrint = New StreamReader("C:\My Documents\MyFile.txt")
Try
printFont = New Font("Arial", 10)
Dim pd As New PrintDocument()
AddHandler pd.PrintPage, AddressOf Me.pd_PrintPage
pd.Print()
Finally
streamToPrint.Close()
End Try
Catch ex As Exception
MessageBox.Show(ex.Message)
End Try
End Sub
' The PrintPage event is raised for each page to be printed.
Private Sub pd_PrintPage(ByVal sender As Object, ByVal 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)
' Print each line of the file.
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
Else
ev.HasMorePages = False
End If
End Sub
Private Sub InitializeForm()
Me.components = New System.ComponentModel.Container()
Me.printButton = New System.Windows.Forms.Button()
Me.ClientSize = New System.Drawing.Size(504, 381)
Me.Text = "Print Example"
printButton.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft
printButton.Location = New System.Drawing.Point(32, 110)
printButton.FlatStyle = System.Windows.Forms.FlatStyle.Flat
printButton.TabIndex = 0
printButton.Text = "Print the file."
printButton.Size = New System.Drawing.Size(136, 40)
AddHandler printButton.Click, AddressOf printButton_Click
Me.Controls.Add(printButton)
End Sub
' This is the main entry point for the application.
Public Shared Sub Main()
Application.Run(New Form1())
End Sub
End Class