VB.Net/2D/Line Join

LineJoin: Bevel, Miter, MiterClipped, Round

<source lang="vbnet"> Imports System Imports System.Windows.Forms Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Text Imports System.Drawing.Imaging Public Class MainClass

 Shared Sub Main()
    Dim form1 As Form1 = new Form1
    Application.Run(form1)
 End Sub
 

End Class

Public Class Form1

 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()
   "
   "Form1
   "
   Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
   Me.ClientSize = New System.Drawing.Size(392, 373)
   Me.Name = "Form1"
   Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
   Me.Text = "Form1"
 End Sub

1. End Region

 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
 End Sub
 Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
   Dim G As Graphics = e.Graphics
   Dim PtsA As Point() = {New Point(10, 10), _
                          New Point(150, 150), _
                          New Point(400, 10)}
   Dim PtsB As Point() = {New Point(10, 40), _
                          New Point(150, 180), _
                          New Point(400, 40)}
   Dim PtsC As Point() = {New Point(10, 70), _
                          New Point(150, 210), _
                          New Point(400, 70)}
   Dim PtsD As Point() = {New Point(10, 100), _
                          New Point(150, 240), _
                          New Point(400, 100)}
   Dim P As Pen = New Pen(Color.Blue, 10)
   G.SmoothingMode = SmoothingMode.AntiAlias
   P.LineJoin = LineJoin.Bevel
   G.DrawLines(P, PtsA)
   P.LineJoin = LineJoin.Miter
   G.DrawLines(P, PtsB)
   P.LineJoin = LineJoin.MiterClipped
   G.DrawLines(P, PtsC)
   P.LineJoin = LineJoin.Round
   G.DrawLines(P, PtsD)
 End Sub

End Class

      </source>

LineJoin Style

<source lang="vbnet"> Imports System Imports System.Windows.Forms Imports System.Drawing.Text Imports System.Drawing Public Class MainClass

   Shared Sub Main(ByVal args As String())
       Dim myform As Form = New Form1()
       Application.Run(myform)
   End Sub

End Class

Public Class Form1

   Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
       DrawingLine(e.Graphics, 10, 10, Drawing2D.LineJoin.Bevel)
       DrawingLine(e.Graphics, 210, 10, Drawing2D.LineJoin.Miter)
       DrawingLine(e.Graphics, 410, 10, Drawing2D.LineJoin.Round)
   End Sub
   Private Sub DrawingLine(ByVal gr As Graphics, ByVal x As Integer, ByVal y As Integer, ByVal join_style As Drawing2D.LineJoin)
       Dim the_pen As New Pen(Color.Black, 20)
       the_pen.LineJoin = join_style
       gr.DrawString(join_style.ToString, Me.Font, Brushes.Black, x, y)
       Dim pts() As Point = { _
           New Point(x, y + 30), _
           New Point(x + 50, y + 30), _
           New Point(x + 25, y + 80), _
           New Point(x + 100, y + 30) _
       }
       gr.DrawLines(the_pen, pts)
   End Sub

End Class

<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _ Partial Public Class Form1

   Inherits System.Windows.Forms.Form
   "Form overrides dispose to clean up the component list.
   <System.Diagnostics.DebuggerNonUserCode()> _
   Protected Overloads 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.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()
       Me.SuspendLayout()
       "
       "Form1
       "
       Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
       Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
       Me.ClientSize = New System.Drawing.Size(564, 209)
       Me.Name = "Form1"
       Me.Text = "Title"
       Me.ResumeLayout(False)
   End Sub

End Class

      </source>