Mega Code Archive
Simple Ruler
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Imports System
Imports System.ComponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Configuration
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Drawing.Text
Imports System.Globalization
Imports System.Text
Imports System.Collections
Public Class MainClass
Shared Sub Main()
Dim myform As Form = New PageUnitsForm()
Application.Run(myform)
End Sub
End Class
Public Class PageUnitsForm
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.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.
Friend WithEvents statusBar1 As System.Windows.Forms.StatusBar
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.statusBar1 = New System.Windows.Forms.StatusBar()
Me.SuspendLayout()
'
'statusBar1
'
Me.statusBar1.Location = New System.Drawing.Point(0, 244)
Me.statusBar1.Name = "statusBar1"
Me.statusBar1.Size = New System.Drawing.Size(292, 22)
Me.statusBar1.TabIndex = 1
Me.statusBar1.Text = "statusBar1"
'
'PageUnitsForm
'
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.statusBar1})
Me.Name = "PageUnitsForm"
Me.Text = "PageUnitsForm"
Me.ResumeLayout(False)
End Sub
#End Region
Sub PaintInInches(ByVal g As Graphics)
g.PageUnit = GraphicsUnit.Inch
g.PageScale = 1
Dim rulerFont As Font = New Font("MS Sans Serif", 8.25F)
Dim blackPen As Pen = New Pen(Color.Red, 0)
Dim rulerFontHeight As Single = rulerFont.GetHeight(g)
Dim rulerRect As RectangleF = New RectangleF(0, 0, 6.5F, rulerFontHeight * 1.5F)
Dim i As Single
For i = 1 To 6
Dim rect As RectangleF = New RectangleF(i - rulerFontHeight, 0, rulerFontHeight * 2, rulerFontHeight)
Dim format As StringFormat = New StringFormat()
format.Alignment = StringAlignment.Center
g.DrawString(i.ToString(), rulerFont, Brushes.Black, rect, format)
Next
For i = 0.5 To 6.5 Step 1
g.DrawLine(blackPen, i, 0, i, rulerFontHeight / 2)
Next
End Sub
Private Sub PageUnitsForm_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
PaintInInches(e.Graphics)
End Sub
Private Function PixelsToInches(ByVal pixels As Single) As Single
Dim g As Graphics = Me.CreateGraphics()
Return pixels / g.DpiY
End Function
End Class
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