VB.Net/2D/Line Alignment

Line Alignment 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 Imports System.Diagnostics Public Class MainClass

   Shared Sub Main()
       Dim myform As Form = New AlignmentsForm()
       Application.Run(myform)
   End Sub

End Class

Public Class AlignmentsForm

   Inherits System.Windows.Forms.Form

1. 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.
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       components = New System.ruponentModel.Container()
       Me.Text = "AlignmentsForm"
   End Sub

1. End Region

   Private Sub AlignmentsForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
       Dim g As Graphics = e.Graphics
       Dim alignNames As String() = System.Enum.GetNames(GetType(PenAlignment))
       Array.Sort(alignNames)
       Dim x As Integer = 0
       Dim y As Integer = 0
       Dim width As Integer = Me.ClientRectangle.Width
       Dim height As Integer = Me.ClientRectangle.Height
       Dim blackBrush As Brush = Brushes.Black
       Dim redPen As Pen = Pens.Red
       Dim alignName As String
       For Each alignName In alignNames
           Dim pen As Pen = New Pen(Color.White, 13)
           If Not (pen.Alignment <> PenAlignment.Center And pen.Alignment <> PenAlignment.Inset) Then
               g.DrawEllipse(pen, x + 10, y + 10, width - 20, height - 20)
               g.DrawEllipse(redPen, x + 10, y + 10, width - 20, height - 20)
               Dim format As StringFormat = New StringFormat()
               format.Alignment = StringAlignment.Center
               format.LineAlignment = StringAlignment.Center
               g.DrawString(alignName, Me.Font, blackBrush, New RectangleF(x, y, width, height), format)
               y = y + height
           End If
       Next
   End Sub

End Class

      </source>