VB.Net/2D/Image
Содержание
Convert Image Format
<source lang="vbnet"> Public Class MainClass
Public Shared Sub Main() ConvertImage("sample.gif", System.Drawing.Imaging.ImageFormat.Bmp, "new.bmp") End Sub Public Shared Sub ConvertImage(ByVal Filename As String, ByVal DesiredFormat As System.Drawing.Imaging.ImageFormat, ByVal NewFilename As String) Try Dim imgFile As System.Drawing.Image = System.Drawing.Image.FromFile(Filename) imgFile.Save(NewFilename, DesiredFormat) Catch ex As Exception Throw ex End Try End Sub
End Class
</source>
Image Recolor Demo
<source lang="vbnet"> Imports System Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Resources Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Imaging Public Class MainClass
Shared Sub Main() Dim myform As Form = New RecoloringForm() Application.Run(myform) End Sub
End Class Public Class RecoloringForm
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 Me.SetStyle(ControlStyles.ResizeRedraw, True) Me.SetStyle(ControlStyles.DoubleBuffer, True) Me.SetStyle(ControlStyles.AllPaintingInWmPaint, True) 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 "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "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. Friend WithEvents groupBox2 As System.Windows.Forms.GroupBox Friend WithEvents panel2 As System.Windows.Forms.Panel Friend WithEvents splitter1 As System.Windows.Forms.Splitter Friend WithEvents groupBox1 As System.Windows.Forms.GroupBox Friend WithEvents panel1 As System.Windows.Forms.Panel <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.groupBox2 = New System.Windows.Forms.GroupBox() Me.panel2 = New System.Windows.Forms.Panel() Me.splitter1 = New System.Windows.Forms.Splitter() Me.groupBox1 = New System.Windows.Forms.GroupBox() Me.panel1 = New System.Windows.Forms.Panel() Me.groupBox2.SuspendLayout() Me.groupBox1.SuspendLayout() Me.SuspendLayout() " "groupBox2 " Me.groupBox2.Controls.AddRange(New System.Windows.Forms.Control() {Me.panel2}) Me.groupBox2.Dock = System.Windows.Forms.DockStyle.Fill Me.groupBox2.Location = New System.Drawing.Point(187, 0) Me.groupBox2.Name = "groupBox2" Me.groupBox2.Size = New System.Drawing.Size(205, 182) Me.groupBox2.TabIndex = 5 Me.groupBox2.TabStop = False Me.groupBox2.Text = "Mapped Colors" " "panel2 " Me.panel2.BackColor = System.Drawing.Color.White Me.panel2.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D Me.panel2.Dock = System.Windows.Forms.DockStyle.Fill Me.panel2.Location = New System.Drawing.Point(3, 16) Me.panel2.Name = "panel2" Me.panel2.Size = New System.Drawing.Size(199, 163) Me.panel2.TabIndex = 0 " "splitter1 " Me.splitter1.Location = New System.Drawing.Point(184, 0) Me.splitter1.Name = "splitter1" Me.splitter1.Size = New System.Drawing.Size(3, 182) Me.splitter1.TabIndex = 4 Me.splitter1.TabStop = False " "groupBox1 " Me.groupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.panel1}) Me.groupBox1.Dock = System.Windows.Forms.DockStyle.Left Me.groupBox1.Name = "groupBox1" Me.groupBox1.Size = New System.Drawing.Size(184, 182) Me.groupBox1.TabIndex = 3 Me.groupBox1.TabStop = False Me.groupBox1.Text = "Original Colors" " "panel1 " Me.panel1.BackColor = System.Drawing.Color.White Me.panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D Me.panel1.Dock = System.Windows.Forms.DockStyle.Fill Me.panel1.Location = New System.Drawing.Point(3, 16) Me.panel1.Name = "panel1" Me.panel1.Size = New System.Drawing.Size(178, 163) Me.panel1.TabIndex = 0 " "RecoloringForm " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(392, 182) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.groupBox2, Me.splitter1, Me.groupBox1}) Me.Name = "RecoloringForm" Me.Text = "RecoloringForm" Me.groupBox2.ResumeLayout(False) Me.groupBox1.ResumeLayout(False) Me.ResumeLayout(False) End Sub
- End Region
Private Sub panel1_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles panel1.Paint Dim g As Graphics = e.Graphics Dim bmp As Bitmap = New Bitmap("figure2.BMP") Dim rect As Rectangle = New Rectangle(0, 0, bmp.Width, bmp.Height) rect.Offset((Me.panel1.ClientRectangle.Width - rect.Width) / 2, (Me.panel1.ClientRectangle.Height - rect.Height) / 2) g.DrawImage(bmp, rect) End Sub Private Sub panel2_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles panel2.Paint Dim g As Graphics = e.Graphics Dim bmp As Bitmap = New Bitmap("figure2.BMP") Dim colorMap As ColorMap() = New ColorMap() {New ColorMap()} colorMap(0).OldColor = bmp.GetPixel(0, bmp.Height - 1) colorMap(0).NewColor = Color.White Dim attr As ImageAttributes = New ImageAttributes() attr.SetRemapTable(colorMap) Dim rect As Rectangle = New Rectangle(0, 0, bmp.Width, bmp.Height) rect.Offset((Me.panel2.ClientRectangle.Width - rect.Width) / 2, (Me.panel2.ClientRectangle.Height - rect.Height) / 2) g.DrawImage(bmp, rect, 0, 0, rect.Width, rect.Height, g.PageUnit, attr) End Sub
End Class
</source>
Image Scale Clip Form
<source lang="vbnet"> Imports System Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Resources Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Imaging Public Class MainClass
Shared Sub Main() Dim myform As Form = New ScalingClippingForm() Application.Run(myform) End Sub
End Class Public Class ScalingClippingForm
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 Me.SetStyle(ControlStyles.ResizeRedraw, True) Me.SetStyle(ControlStyles.DoubleBuffer, True) Me.SetStyle(ControlStyles.AllPaintingInWmPaint, True) 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 "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "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. Friend WithEvents splitter1 As System.Windows.Forms.Splitter Friend WithEvents groupBox1 As System.Windows.Forms.GroupBox Friend WithEvents panel1 As System.Windows.Forms.Panel Friend WithEvents groupBox2 As System.Windows.Forms.GroupBox Friend WithEvents panel2 As System.Windows.Forms.Panel <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.splitter1 = New System.Windows.Forms.Splitter() Me.groupBox1 = New System.Windows.Forms.GroupBox() Me.panel1 = New System.Windows.Forms.Panel() Me.groupBox2 = New System.Windows.Forms.GroupBox() Me.panel2 = New System.Windows.Forms.Panel() Me.groupBox1.SuspendLayout() Me.groupBox2.SuspendLayout() Me.SuspendLayout() " "splitter1 " Me.splitter1.Location = New System.Drawing.Point(184, 0) Me.splitter1.Name = "splitter1" Me.splitter1.Size = New System.Drawing.Size(3, 182) Me.splitter1.TabIndex = 4 Me.splitter1.TabStop = False " "groupBox1 " Me.groupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.panel1}) Me.groupBox1.Dock = System.Windows.Forms.DockStyle.Left Me.groupBox1.Name = "groupBox1" Me.groupBox1.Size = New System.Drawing.Size(184, 182) Me.groupBox1.TabIndex = 3 Me.groupBox1.TabStop = False Me.groupBox1.Text = "Scaling" " "panel1 " Me.panel1.BackColor = System.Drawing.Color.White Me.panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D Me.panel1.Dock = System.Windows.Forms.DockStyle.Fill Me.panel1.Location = New System.Drawing.Point(3, 16) Me.panel1.Name = "panel1" Me.panel1.Size = New System.Drawing.Size(178, 163) Me.panel1.TabIndex = 0 " "groupBox2 " Me.groupBox2.Controls.AddRange(New System.Windows.Forms.Control() {Me.panel2}) Me.groupBox2.Dock = System.Windows.Forms.DockStyle.Fill Me.groupBox2.Name = "groupBox2" Me.groupBox2.Size = New System.Drawing.Size(392, 182) Me.groupBox2.TabIndex = 5 Me.groupBox2.TabStop = False Me.groupBox2.Text = "Clipping" " "panel2 " Me.panel2.BackColor = System.Drawing.Color.White Me.panel2.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D Me.panel2.Dock = System.Windows.Forms.DockStyle.Fill Me.panel2.Location = New System.Drawing.Point(3, 16) Me.panel2.Name = "panel2" Me.panel2.Size = New System.Drawing.Size(386, 163) Me.panel2.TabIndex = 0 " "ScalingClippingForm " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(392, 182) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.splitter1, Me.groupBox1, Me.groupBox2}) Me.Name = "ScalingClippingForm" Me.Text = "ScalingClippingFor" Me.groupBox1.ResumeLayout(False) Me.groupBox2.ResumeLayout(False) Me.ResumeLayout(False) End Sub
- End Region
Private Sub panel1_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles panel1.Paint Dim g As Graphics = e.Graphics Dim bmp As Bitmap = New Bitmap("figure2.bmp") Dim rect As Rectangle = New Rectangle(10, 10, Me.panel1.ClientRectangle.Width - 20, Me.panel1.ClientRectangle.Height - 20) g.DrawImage(bmp, rect) g.DrawRectangle(Pens.Black, rect) End Sub Private Sub panel2_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles panel2.Paint Dim g As Graphics = e.Graphics Dim bmp As Bitmap = New Bitmap("figure2.bmp") Dim destRect As Rectangle = New Rectangle(10, 10, Me.panel2.ClientRectangle.Width - 20, Me.panel2.ClientRectangle.Height - 20) Dim srcRect As Rectangle = New Rectangle(0, 0, destRect.Width, destRect.Height) g.DrawImage(bmp, destRect, srcRect, g.PageUnit) g.DrawRectangle(Pens.Black, destRect) End Sub
End Class
</source>
Image Skew Demo
<source lang="vbnet"> Imports System Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Resources Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Imaging Public Class MainClass
Shared Sub Main() Dim myform As Form = New SkewingForm() Application.Run(myform) End Sub
End Class Public Class SkewingForm
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 "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "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. Friend WithEvents upButton As System.Windows.Forms.Button Friend WithEvents panel1 As System.Windows.Forms.Panel Friend WithEvents downButton As System.Windows.Forms.Button Friend WithEvents leftButton As System.Windows.Forms.Button Friend WithEvents rightButton As System.Windows.Forms.Button <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.upButton = New System.Windows.Forms.Button() Me.panel1 = New System.Windows.Forms.Panel() Me.downButton = New System.Windows.Forms.Button() Me.leftButton = New System.Windows.Forms.Button() Me.rightButton = New System.Windows.Forms.Button() Me.SuspendLayout() " "upButton " Me.upButton.Anchor = System.Windows.Forms.AnchorStyles.Top Me.upButton.Location = New System.Drawing.Point(132, 10) Me.upButton.Name = "upButton" Me.upButton.Size = New System.Drawing.Size(24, 23) Me.upButton.TabIndex = 5 Me.upButton.Text = "^" " "panel1 " Me.panel1.Anchor = (((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _ Or System.Windows.Forms.AnchorStyles.Left) _ Or System.Windows.Forms.AnchorStyles.Right) Me.panel1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle Me.panel1.Location = New System.Drawing.Point(36, 43) Me.panel1.Name = "panel1" Me.panel1.Size = New System.Drawing.Size(216, 184) Me.panel1.TabIndex = 2 " "downButton " Me.downButton.Anchor = System.Windows.Forms.AnchorStyles.Bottom Me.downButton.Location = New System.Drawing.Point(132, 234) Me.downButton.Name = "downButton" Me.downButton.Size = New System.Drawing.Size(24, 23) Me.downButton.TabIndex = 6 Me.downButton.Text = "v" " "leftButton " Me.leftButton.Anchor = System.Windows.Forms.AnchorStyles.Left Me.leftButton.Location = New System.Drawing.Point(6, 124) Me.leftButton.Name = "leftButton" Me.leftButton.Size = New System.Drawing.Size(24, 23) Me.leftButton.TabIndex = 3 Me.leftButton.Text = "<" " "rightButton " Me.rightButton.Anchor = System.Windows.Forms.AnchorStyles.Right Me.rightButton.Location = New System.Drawing.Point(262, 124) Me.rightButton.Name = "rightButton" Me.rightButton.Size = New System.Drawing.Size(24, 23) Me.rightButton.TabIndex = 4 Me.rightButton.Text = ">" " "SkewingForm " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 266) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.upButton, Me.panel1, Me.downButton, Me.leftButton, Me.rightButton}) Me.Name = "SkewingForm" Me.Text = "SkewingForm" Me.ResumeLayout(False) End Sub
- End Region
Dim bmp As Bitmap = New Bitmap("figure2.bmp") Dim offset As Size = New Size(0, 0) Private Sub panel1_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles panel1.Paint Dim g As Graphics = e.Graphics Dim rect As Rectangle = Me.panel1.ClientRectangle Dim points As Point() = New Point() { _ New Point(rect.Left + offset.Width, rect.Top + offset.Height), _ New Point(rect.Right, rect.Top + offset.Height), _ New Point(rect.Left, rect.Bottom - offset.Height)} g.DrawImage(bmp, points) End Sub Private Sub upButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles upButton.Click offset.Height = offset.Height + 10 panel1.Refresh() End Sub
Private Sub leftButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles leftButton.Click offset.Width = offset.Width - 10 panel1.Refresh() End Sub Private Sub downButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles downButton.Click offset.Height = offset.Height - 10 panel1.Refresh() End Sub Private Sub rightButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles rightButton.Click offset.Width = offset.Width + 10 panel1.Refresh() End Sub
End Class
</source>
Move an Image
<source lang="vbnet"> Imports System Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Resources Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Imaging Public Class MainClass
Shared Sub Main() Dim myform As Form = New PanningForm() Application.Run(myform) End Sub
End Class Public Class PanningForm
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 "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "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. Friend WithEvents upButton As System.Windows.Forms.Button Friend WithEvents panel1 As System.Windows.Forms.Panel Friend WithEvents downButton As System.Windows.Forms.Button Friend WithEvents leftButton As System.Windows.Forms.Button Friend WithEvents rightButton As System.Windows.Forms.Button <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.upButton = New System.Windows.Forms.Button() Me.panel1 = New System.Windows.Forms.Panel() Me.downButton = New System.Windows.Forms.Button() Me.leftButton = New System.Windows.Forms.Button() Me.rightButton = New System.Windows.Forms.Button() Me.SuspendLayout() " "upButton " Me.upButton.Anchor = System.Windows.Forms.AnchorStyles.Top Me.upButton.Location = New System.Drawing.Point(132, 10) Me.upButton.Name = "upButton" Me.upButton.Size = New System.Drawing.Size(24, 23) Me.upButton.TabIndex = 5 Me.upButton.Text = "^" " "panel1 " Me.panel1.Anchor = (((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _ Or System.Windows.Forms.AnchorStyles.Left) _ Or System.Windows.Forms.AnchorStyles.Right) Me.panel1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle Me.panel1.Location = New System.Drawing.Point(36, 43) Me.panel1.Name = "panel1" Me.panel1.Size = New System.Drawing.Size(216, 184) Me.panel1.TabIndex = 2 " "downButton " Me.downButton.Anchor = System.Windows.Forms.AnchorStyles.Bottom Me.downButton.Location = New System.Drawing.Point(132, 234) Me.downButton.Name = "downButton" Me.downButton.Size = New System.Drawing.Size(24, 23) Me.downButton.TabIndex = 6 Me.downButton.Text = "v" " "leftButton " Me.leftButton.Anchor = System.Windows.Forms.AnchorStyles.Left Me.leftButton.Location = New System.Drawing.Point(6, 124) Me.leftButton.Name = "leftButton" Me.leftButton.Size = New System.Drawing.Size(24, 23) Me.leftButton.TabIndex = 3 Me.leftButton.Text = "<" " "rightButton " Me.rightButton.Anchor = System.Windows.Forms.AnchorStyles.Right Me.rightButton.Location = New System.Drawing.Point(262, 124) Me.rightButton.Name = "rightButton" Me.rightButton.Size = New System.Drawing.Size(24, 23) Me.rightButton.TabIndex = 4 Me.rightButton.Text = ">" " "PanningForm " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 266) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.upButton, Me.panel1, Me.downButton, Me.leftButton, Me.rightButton}) Me.Name = "PanningForm" Me.Text = "PanningForm" Me.ResumeLayout(False) End Sub
- End Region
Dim bmp As Bitmap = New Bitmap("figure2.bmp") Dim offset As Size = New Size(0, 0) Private Sub panel1_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles panel1.Paint Dim g As Graphics = e.Graphics Dim destRect As Rectangle = Me.panel1.ClientRectangle Dim srcRect As Rectangle = New Rectangle(offset.Width, offset.Height, destRect.Width, destRect.Height) g.DrawImage(bmp, destRect, srcRect, g.PageUnit) End Sub Private Sub upButton_Click(ByVal sender As Object, ByVal e As EventArgs) Handles upButton.Click offset.Height = offset.Height + 10 panel1.Refresh() End Sub Private Sub downButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles downButton.Click offset.Height = offset.Height - 10 panel1.Refresh() End Sub Private Sub rightButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles rightButton.Click offset.Width = offset.Width + 10 panel1.Refresh() End Sub Private Sub leftButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles leftButton.Click offset.Width = offset.Width - 10 panel1.Refresh() End Sub
End Class
</source>
Print Image
<source lang="vbnet"> 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 Private MyImage As Image Private pd As PrintDocument Private Preview As PrintPreviewDialog
- Region " Windows Form Designer generated code "
Public Sub New() MyBase.New() InitializeComponent() MyImage = Bitmap.FromFile("figure2.bmp") Preview = New PrintPreviewDialog() Preview.UseAntiAlias = True 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 "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "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. Friend WithEvents lblPrint As System.Windows.Forms.Label Friend WithEvents cmdShow As System.Windows.Forms.Button <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.lblPrint = New System.Windows.Forms.Label() Me.cmdShow = New System.Windows.Forms.Button() Me.SuspendLayout() " "lblPrint " Me.lblPrint.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D Me.lblPrint.Location = New System.Drawing.Point(152, 16) Me.lblPrint.Name = "lblPrint" Me.lblPrint.Size = New System.Drawing.Size(280, 136) Me.lblPrint.TabIndex = 3 " "cmdShow " Me.cmdShow.Location = New System.Drawing.Point(360, 328) Me.cmdShow.Name = "cmdShow" Me.cmdShow.Size = New System.Drawing.Size(72, 24) Me.cmdShow.TabIndex = 2 Me.cmdShow.Text = "Show" " "Form1 " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(442, 373) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lblPrint, Me.cmdShow}) Me.MaximizeBox = False Me.MinimizeBox = False Me.Name = "Form1" Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen Me.Text = "Form1" Me.ResumeLayout(False) End Sub
- End Region
Private Sub Form1_Load(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles MyBase.Load pd = New PrintDocument() AddHandler pd.PrintPage, New PrintPageEventHandler(AddressOf Me.pd_Print) Preview.Document = pd End Sub Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs) DrawIt(e.Graphics) End Sub Private Sub pd_Print(ByVal sender As Object, ByVal e As PrintPageEventArgs) lblPrint.Text += sender.ToString() DrawIt(e.Graphics) End Sub Private Sub DrawIt(ByVal G As Graphics) G.SmoothingMode = SmoothingMode.AntiAlias G.DrawImage(MyImage, 10, 10) End Sub Private Sub cmdShow_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles cmdShow.Click Preview.WindowState = FormWindowState.Maximized pd.DocumentName = DateTime.Now.Ticks.ToString() Preview.ShowDialog() End Sub
End Class
</source>