📄 form1.vb
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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 Button1 As System.Windows.Forms.Button
Friend WithEvents PrintDocument1 As System.Drawing.Printing.PrintDocument
Friend WithEvents PrintPreviewDialog1 As System.Windows.Forms.PrintPreviewDialog
'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.Button1 = New System.Windows.Forms.Button()
Me.PrintDocument1 = New System.Drawing.Printing.PrintDocument()
Me.PrintPreviewDialog1 = New System.Windows.Forms.PrintPreviewDialog()
Me.SuspendLayout()
'
'Button1
'
Me.Button1.Font = New System.Drawing.Font("Comic Sans MS", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(161, Byte))
Me.Button1.Location = New System.Drawing.Point(24, 24)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(256, 56)
Me.Button1.TabIndex = 0
Me.Button1.Text = "Print Rotated Strings"
'
'PrintPreviewDialog1
'
Me.PrintPreviewDialog1.AutoScrollMargin = New System.Drawing.Size(0, 0)
Me.PrintPreviewDialog1.AutoScrollMinSize = New System.Drawing.Size(0, 0)
Me.PrintPreviewDialog1.ClientSize = New System.Drawing.Size(400, 300)
Me.PrintPreviewDialog1.Enabled = True
Me.PrintPreviewDialog1.Location = New System.Drawing.Point(22, 22)
Me.PrintPreviewDialog1.MaximumSize = New System.Drawing.Size(0, 0)
Me.PrintPreviewDialog1.Name = "PrintPreviewDialog1"
Me.PrintPreviewDialog1.Opacity = 1
Me.PrintPreviewDialog1.TransparencyKey = System.Drawing.Color.Empty
Me.PrintPreviewDialog1.Visible = False
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(296, 133)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button1})
Me.Name = "Form1"
Me.Text = "Form1"
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
PrintPreviewDialog1.Document = PrintDocument1
PrintPreviewDialog1.ShowDialog()
End Sub
Private Sub PrintDocument1_PrintPage(ByVal sender As Object, ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles PrintDocument1.PrintPage
Dim Tx, Ty As Integer
e.Graphics.TextRenderingHint = Drawing.Text.TextRenderingHint.AntiAlias
' Tx, Ty ARE THE COORDINATES OF THE CENTER POINT ON THE PAGE
Tx = e.PageSettings.PaperSize.Width / 2
Ty = e.PageSettings.PaperSize.Height / 2
' DRAW A CROSSHAIR LINE AT THE MIDDLE OF THE PAGE
e.Graphics.DrawLine(New Pen(Color.Red, 2), Tx, 0, Tx, Ty * 2)
e.Graphics.DrawLine(New Pen(Color.Red, 2), 0, Ty, Tx * 2, Ty)
Dim fnt As Font = New Font("Comic Sans MS", 24, FontStyle.Bold)
Dim RectSize As SizeF
Dim Rect As Rectangle
' PRINT STRING WITHOUT ROTATION
e.Graphics.TranslateTransform(Tx, Ty)
e.Graphics.DrawString("GDI+ Graphics (0)", fnt, _
Brushes.Black, 0, 0)
RectSize = e.Graphics.MeasureString("GDI+ Graphics (0)", fnt)
Rect = New Rectangle(0, 0, RectSize.Width, RectSize.Height)
e.Graphics.DrawRectangle(Pens.Green, Rect)
' PRINT STRING ROTATED 90 DEGREES
e.Graphics.ResetTransform()
e.Graphics.TranslateTransform(Tx, Ty)
e.Graphics.RotateTransform(90)
e.Graphics.DrawString("GDI+ Graphics (90)", fnt, _
Brushes.Black, 0, 0)
RectSize = e.Graphics.MeasureString("GDI+ Graphics (90)", fnt)
Rect = New Rectangle(0, 0, RectSize.Width, RectSize.Height)
e.Graphics.DrawRectangle(Pens.Green, Rect)
' PRINT STRING ROTATED 270 DEGREES
e.Graphics.ResetTransform()
e.Graphics.TranslateTransform(Tx, Ty)
e.Graphics.RotateTransform(270)
e.Graphics.DrawString("GDI+ Graphics (270)", fnt, _
Brushes.Black, 0, 0)
RectSize = e.Graphics.MeasureString("GDI+ Graphics (270)", fnt)
Rect = New Rectangle(0, 0, RectSize.Width, RectSize.Height)
e.Graphics.DrawRectangle(Pens.Green, Rect)
' PRINT STRING ROTATED 180 DEGREES
e.Graphics.ResetTransform()
e.Graphics.TranslateTransform(Tx, Ty)
e.Graphics.RotateTransform(180)
e.Graphics.DrawString("GDI+ Graphics (180)", fnt, _
Brushes.Black, 0, 0)
RectSize = e.Graphics.MeasureString("GDI+ Graphics (180)", fnt)
Rect = New Rectangle(0, 0, RectSize.Width, RectSize.Height)
e.Graphics.DrawRectangle(Pens.Green, Rect)
End Sub
End Class
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