VB.Net Tutorial/2D Graphics/Dash styles

All Dash styles

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
#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
#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

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

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

LineDashCap

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