源代码：
Imports System.Drawing.printing
Imports System.io
Public Class previewcontrol
Inherits System.Windows.Forms.Form
#Region " Windows 窗体设计器生成的代码 "
Public Sub New()
MyBase.New()
'该调用是 Windows 窗体设计器所必需的。
InitializeComponent()
'在 InitializeComponent() 调用之后添加任何初始化
End Sub
'窗体重写 dispose 以清理组件列表。
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
'Windows 窗体设计器所必需的
Private components As System.ComponentModel.IContainer
'注重: 以下过程是 Windows 窗体设计器所必需的
'可以使用 Windows 窗体设计器修改此过程。
'不要使用代码编辑器修改它。
Friend WithEvents PrintPreviewControl1 As System.Windows.Forms.PrintPreviewControl
Friend WithEvents printsetup As dbcbutton.dbcbutton
Private WithEvents pagesetup As dbcbutton.dbcbutton
Friend WithEvents Label1 As System.Windows.Forms.Label
Friend WithEvents Label2 As System.Windows.Forms.Label
Friend WithEvents Label3 As System.Windows.Forms.Label
Friend WithEvents openfile As dbcbutton.dbcbutton
Friend WithEvents setfont As dbcbutton.dbcbutton
Friend WithEvents printthis As dbcbutton.dbcbutton
Friend WithEvents pagecount As System.Windows.Forms.NumericUpDown
Friend WithEvents pageroom As System.Windows.Forms.ComboBox
<System.Diagnostics.DebuggerStepThrough() Private Sub InitializeComponent()
Me.PrintPreviewControl1 = New System.Windows.Forms.PrintPreviewControl
Me.printsetup = New dbcbutton.dbcbutton
Me.pagesetup = New dbcbutton.dbcbutton
Me.pagecount = New System.Windows.Forms.NumericUpDown
Me.pageroom = New System.Windows.Forms.ComboBox
Me.Label1 = New System.Windows.Forms.Label
Me.Label2 = New System.Windows.Forms.Label
Me.Label3 = New System.Windows.Forms.Label
Me.openfile = New dbcbutton.dbcbutton
Me.setfont = New dbcbutton.dbcbutton
Me.printthis = New dbcbutton.dbcbutton
CType(Me.pagecount, System.ComponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
'
'PrintPreviewControl1
'
Me.PrintPreviewControl1.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
Or System.Windows.Forms.AnchorStyles.Left) _
Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
Me.PrintPreviewControl1.AutoZoom = False
Me.PrintPreviewControl1.Location = New System.Drawing.Point(8, 40)
Me.PrintPreviewControl1.Name = "PrintPreviewControl1"
Me.PrintPreviewControl1.Size = New System.Drawing.Size(696, 280)
Me.PrintPreviewControl1.TabIndex = 0
Me.PrintPreviewControl1.Zoom = 0.3
'
'printsetup
'
Me.printsetup.BackColor = System.Drawing.SystemColors.Control
Me.printsetup.ButtonStyle = dbcbutton.dbcbutton.Style.RectStyle
Me.printsetup.GrayColor = System.Drawing.Color.BurlyWood
Me.printsetup.LightColor = System.Drawing.Color.White
Me.printsetup.Location = New System.Drawing.Point(168, 8)
Me.printsetup.mytext = "打印设置"
Me.printsetup.Name = "printsetup"
Me.printsetup.Size = New System.Drawing.Size(72, 24)
Me.printsetup.TabIndex = 1
'
'pagesetup
'
Me.pagesetup.BackColor = System.Drawing.SystemColors.Control
Me.pagesetup.ButtonStyle = dbcbutton.dbcbutton.Style.RectStyle
Me.pagesetup.GrayColor = System.Drawing.Color.BurlyWood
Me.pagesetup.LightColor = System.Drawing.Color.White
Me.pagesetup.Location = New System.Drawing.Point(256, 8)
Me.pagesetup.mytext = "页面设置"
Me.pagesetup.Name = "pagesetup"
Me.pagesetup.Size = New System.Drawing.Size(72, 24)
Me.pagesetup.TabIndex = 2
'
'pagecount
'
Me.pagecount.Location = New System.Drawing.Point(624, 11)
Me.pagecount.Minimum = New Decimal(New Integer() {1, 0, 0, 0})
Me.pagecount.Name = "pagecount"
Me.pagecount.Size = New System.Drawing.Size(40, 21)
Me.pagecount.TabIndex = 3
Me.pagecount.Value = New Decimal(New Integer() {1, 0, 0, 0})
'
'pageroom
'
Me.pageroom.Items.AddRange(New Object() {"25%", "50%", "75%", "100%"})
Me.pageroom.Location = New System.Drawing.Point(512, 12)
Me.pageroom.Name = "pageroom"
Me.pageroom.Size = New System.Drawing.Size(56, 20)
Me.pageroom.TabIndex = 4
Me.pageroom.Text = "缩放"
'
'Label1
'
Me.Label1.Location = New System.Drawing.Point(456, 16)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(48, 16)
Me.Label1.TabIndex = 5
Me.Label1.Text = "缩放："
Me.Label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
'
'Label2
'
Me.Label2.Location = New System.Drawing.Point(584, 16)
Me.Label2.Name = "Label2"
Me.Label2.Size = New System.Drawing.Size(32, 16)
Me.Label2.TabIndex = 6
Me.Label2.Text = "第"
Me.Label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
'
'Label3
'
Me.Label3.Location = New System.Drawing.Point(672, 16)
Me.Label3.Name = "Label3"
Me.Label3.Size = New System.Drawing.Size(32, 16)
Me.Label3.TabIndex = 7
Me.Label3.Text = "页"
Me.Label3.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
'
'openfile
'
Me.openfile.BackColor = System.Drawing.SystemColors.Control
Me.openfile.ButtonStyle = dbcbutton.dbcbutton.Style.RectStyle
Me.openfile.GrayColor = System.Drawing.Color.BurlyWood
Me.openfile.LightColor = System.Drawing.Color.White
Me.openfile.Location = New System.Drawing.Point(8, 8)
Me.openfile.mytext = "选择文件"
Me.openfile.Name = "openfile"
Me.openfile.Size = New System.Drawing.Size(72, 24)
Me.openfile.TabIndex = 8
'
'setfont
'
Me.setfont.BackColor = System.Drawing.SystemColors.Control
Me.setfont.ButtonStyle = dbcbutton.dbcbutton.Style.RectStyle
Me.setfont.GrayColor = System.Drawing.Color.BurlyWood
Me.setfont.LightColor = System.Drawing.Color.White
Me.setfont.Location = New System.Drawing.Point(88, 8)
Me.setfont.mytext = "设置字体"
Me.setfont.Name = "setfont"
Me.setfont.Size = New System.Drawing.Size(72,
