'Visual Basic 2005 Cookbook Solutions for VB 2005 Programmers
'by Tim Patrick (Author), John Craig (Author)
'# Publisher: O'Reilly Media, Inc. (September 21, 2006)
'# Language: English
'# ISBN-10: 0596101775
'# ISBN-13: 978-0596101770
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class MirrorText
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class
Public Class Form1
Private Const QuoteText As String = "www.rntsoft.com"
Private Sub VerticalMirror_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles VerticalMirror.CheckedChanged
MirroredText.Invalidate()
End Sub
Private Sub MirroredText_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MirroredText.Paint
Dim drawingArea As Rectangle
Dim saveState As Drawing2D.GraphicsState
Dim mirrorMatrix As Drawing2D.Matrix
e.Graphics.Clear(Color.White)
If (VerticalMirror.Checked = True) Then
drawingArea = New Rectangle(5, 5, _
(MirroredText.ClientRectangle.Width \ 2) - 10, _
MirroredText.ClientRectangle.Height - 10)
e.Graphics.DrawLine(Pens.Black, MirroredText.ClientRectangle.Width \ 2, _
5, MirroredText.ClientRectangle.Width \ 2, _
MirroredText.ClientRectangle.Height - 10)
Else
drawingArea = New Rectangle(5, 5, _
MirroredText.ClientRectangle.Width - 10, _
(MirroredText.ClientRectangle.Height \ 2) - 10)
e.Graphics.DrawLine(Pens.Black, 5, _
MirroredText.ClientRectangle.Height \ 2, _
MirroredText.ClientRectangle.Width - 10, _
MirroredText.ClientRectangle.Height \ 2)
End If
e.Graphics.DrawString(QuoteText, MirroredText.Font, _
Brushes.Black, drawingArea)
saveState = e.Graphics.Save()
If (VerticalMirror.Checked = True) Then
mirrorMatrix = New Drawing2D.Matrix(-1, 0, 0, 1, MirroredText.ClientRectangle.Width, 0)
Else
mirrorMatrix = New Drawing2D.Matrix(1, 0, 0, -1, 0, MirroredText.ClientRectangle.Height)
End If
e.Graphics.Transform = mirrorMatrix
e.Graphics.DrawString(QuoteText, MirroredText.Font, _
Brushes.Black, drawingArea)
e.Graphics.Restore(saveState)
End Sub
End Class
_
Partial Class Form1
Inherits System.Windows.Forms.Form
'Form overrides dispose to clean up the component list.
_
Protected Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
End If
MyBase.Dispose(disposing)
End Sub
'Required by the Windows Form Designer
Private components As System.ComponentModel.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.
_
Private Sub InitializeComponent()
Me.VerticalMirror = New System.Windows.Forms.RadioButton
Me.MirroredText = New System.Windows.Forms.PictureBox
Me.HorizontalMirror = New System.Windows.Forms.RadioButton
CType(Me.MirroredText, System.ComponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
'
'VerticalMirror
'
Me.VerticalMirror.AutoSize = True
Me.VerticalMirror.Checked = True
Me.VerticalMirror.Location = New System.Drawing.Point(8, 8)
Me.VerticalMirror.Name = "VerticalMirror"
Me.VerticalMirror.Size = New System.Drawing.Size(60, 17)
Me.VerticalMirror.TabIndex = 0
Me.VerticalMirror.TabStop = True
Me.VerticalMirror.Text = "&Vertical"
Me.VerticalMirror.UseVisualStyleBackColor = True
'
'MirroredText
'
Me.MirroredText.BackColor = System.Drawing.Color.White
Me.MirroredText.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
Me.MirroredText.Location = New System.Drawing.Point(104, 8)
Me.MirroredText.Name = "MirroredText"
Me.MirroredText.Size = New System.Drawing.Size(304, 168)
Me.MirroredText.TabIndex = 1
Me.MirroredText.TabStop = False
'
'HorizontalMirror
'
Me.HorizontalMirror.AutoSize = True
Me.HorizontalMirror.Location = New System.Drawing.Point(8, 32)
Me.HorizontalMirror.Name = "HorizontalMirror"
Me.HorizontalMirror.Size = New System.Drawing.Size(72, 17)
Me.HorizontalMirror.TabIndex = 1
Me.HorizontalMirror.Text = "&Horizontal"
Me.HorizontalMirror.UseVisualStyleBackColor = True
'
'Form1
'
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(419, 187)
Me.Controls.Add(Me.HorizontalMirror)
Me.Controls.Add(Me.MirroredText)
Me.Controls.Add(Me.VerticalMirror)
Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle
Me.MaximizeBox = False
Me.Name = "Form1"
Me.Text = "Mirror Text"
CType(Me.MirroredText, System.ComponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
Me.PerformLayout()
End Sub
Friend WithEvents VerticalMirror As System.Windows.Forms.RadioButton
Friend WithEvents MirroredText As System.Windows.Forms.PictureBox
Friend WithEvents HorizontalMirror As System.Windows.Forms.RadioButton
End Class