VB.Net Tutorial/2D Graphics/Dash styles

All Dash styles

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class DashesFormDem

  public Shared Sub Main
       Application.Run(New DashesForm)
  End Sub

End class

Public Class DashesForm

   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 = "DashesForm"
       Me.ClientSize = New System.Drawing.Size(352, 600)
   End Sub

1. End Region

   Private Sub DashesForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
       Dim g As Graphics = e.Graphics
       Dim dashNames As String() = System.Enum.GetNames(GetType(DashStyle))
       Array.Sort(dashNames)
       Dim x As Integer = 0
       Dim y As Integer = 0
       Dim width As Integer = Me.ClientRectangle.Width / 2
       Dim height As Integer = Me.ClientRectangle.Height / 6
       Dim blackBrush As Brush = Brushes.Black
       Dim dashName As String
       For Each dashName In dashNames
           Dim pen As Pen = New Pen(Color.Black, 12)
           pen.DashStyle = CType(System.Enum.Parse(GetType(DashStyle), dashName), DashStyle)
           If pen.DashStyle = DashStyle.Custom Then
               pen.DashPattern = New Single() {1, 1, 2, 1, 3, 1, 4, 1}
           End If
           g.DrawLine(pen, CInt(x + 10), CInt(y + height * 2 / 3), CInt(x + width - 20), CInt(y + height * 2 / 3))
           g.DrawString(dashName, Me.Font, blackBrush, x + 10, y)
           y = y + height
       Next
   End Sub

End Class</source>

DashStyle.Custom, Dash, DashDot, DashDotDot, Dot, Solid

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class LineDashStyle

  public Shared Sub Main
       Application.Run(New Form1)
  End Sub

End class public class Form1

 Inherits System.Windows.Forms.Form
 Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
       Dim a As Graphics =  e.Graphics
       Dim mypen As Pen
       mypen = New Pen(System.Drawing.Color.Red, 6)
       a = Me.CreateGraphics
       a.Clear(Me.BackColor)
       mypen.DashStyle = Drawing.Drawing2D.DashStyle.Custom
       a.DrawLine(mypen, 10, 10, 200, 10)
       mypen.DashStyle = Drawing.Drawing2D.DashStyle.Dash
       a.DrawLine(mypen, 10, 30, 200, 30)
       mypen.DashStyle = Drawing.Drawing2D.DashStyle.DashDot
       a.DrawLine(mypen, 10, 50, 200, 50)
       mypen.DashStyle = Drawing.Drawing2D.DashStyle.DashDotDot
       a.DrawLine(mypen, 10, 70, 200, 70)
       mypen.DashStyle = Drawing.Drawing2D.DashStyle.Dot
       a.DrawLine(mypen, 10, 90, 200, 90)
       mypen.DashStyle = Drawing.Drawing2D.DashStyle.Solid
       a.DrawLine(mypen, 10, 110, 200, 110)
       a.Dispose()
       mypen.Dispose()
 End Sub
 Public Sub New()
   MyBase.New()
   Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
   Me.ClientSize = New System.Drawing.Size(292, 273)
   Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
 End Sub

End Class</source>

LineDashCap

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class LineDashCap

  public Shared Sub Main
       Application.Run(New Form1)
  End Sub

End class public class Form1

 Inherits System.Windows.Forms.Form
 Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
   
       Dim g As Graphics = Me.CreateGraphics()
       g.Clear(Me.BackColor)
       Dim blackPen As New Pen(Color.Black, 10)
       blackPen.DashStyle = DashStyle.DashDotDot
       blackPen.DashPattern = New Single() {10}
       blackPen.DashCap = DashCap.Triangle
       g.DrawLine(blackPen, 20, 10, 500, 10)
       blackPen.DashCap = DashCap.Flat
       g.DrawLine(blackPen, 20, 30, 500, 30)
       blackPen.DashCap = DashCap.Round
       g.DrawLine(blackPen, 20, 50, 500, 50)
       blackPen.Dispose()
       g.Dispose()
 End Sub
 Public Sub New()
  
   MyBase.New()
   Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
   Me.ClientSize = New System.Drawing.Size(292, 273)
   Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
 End Sub

End Class</source>