VB.Net Tutorial/2D Graphics/LineCap styles

All LineCap styles

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class LineCapsDemo
   public Shared Sub Main
        Application.Run(New LineCapsForm)
   End Sub
End class
Public Class LineCapsForm
    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 = "LineCapsForm"
        Me.ClientSize = New System.Drawing.Size(352, 600)
    End Sub
#End Region

    Private Sub LineCapsForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
        Dim g As Graphics = e.Graphics
        Dim capNames As String() = System.Enum.GetNames(GetType(LineCap))
        Array.Sort(capNames)
        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 / capNames.Length
        Dim capName As String
        For Each capName In capNames
            Dim pen As Pen = New Pen(Color.Black, 12)
            pen.EndCap = CType(System.Enum.Parse(GetType(LineCap), capName), LineCap)
            If pen.EndCap <> LineCap.AnchorMask Then
                g.DrawLine(pen, x, CInt(y + height * 2 / 3), CInt(x + width * 2 / 3), CInt(y + height * 2 / 3))
                g.DrawString(capName, Me.Font, Brushes.Black, x, y)
                y = y + height
            End If
        Next
    End Sub
End Class

Get Line CapStyles

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class GetCapStyles
   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.StartCap = LineCap.Triangle
        blackPen.EndCap = LineCap.Triangle
        g.DrawLine(blackPen, 20, 10, 200, 10)
        blackPen.StartCap = LineCap.Square
        blackPen.EndCap = LineCap.Square
        g.DrawLine(blackPen, 20, 30, 200, 30)
        blackPen.StartCap = LineCap.ArrowAnchor
        blackPen.EndCap = LineCap.ArrowAnchor
        g.DrawLine(blackPen, 20, 50, 200, 50)
        blackPen.StartCap = LineCap.DiamondAnchor
        blackPen.EndCap = LineCap.DiamondAnchor
        g.DrawLine(blackPen, 20, 70, 200, 70)
        blackPen.StartCap = LineCap.Flat
        blackPen.EndCap = LineCap.Flat
        g.DrawLine(blackPen, 20, 90, 200, 90)
        blackPen.StartCap = LineCap.Round
        blackPen.EndCap = LineCap.Round
        g.DrawLine(blackPen, 20, 110, 200, 110)
        blackPen.StartCap = LineCap.RoundAnchor
        blackPen.EndCap = LineCap.RoundAnchor
        g.DrawLine(blackPen, 20, 130, 200, 130)
        blackPen.StartCap = LineCap.Square
        blackPen.EndCap = LineCap.Square
        g.DrawLine(blackPen, 20, 150, 200, 150)
        blackPen.StartCap = LineCap.SquareAnchor
        blackPen.EndCap = LineCap.SquareAnchor
        g.DrawLine(blackPen, 20, 170, 200, 170)
        blackPen.StartCap = LineCap.Flat
        blackPen.EndCap = LineCap.Flat
        g.DrawLine(blackPen, 20, 190, 200, 190)
        " Dispose
        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

LineCap.NoAnchor, LineCap.Round, LineCap.RoundAnchor, LineCap.Square, LineCap.SquareAnchor, LineCap.Triangle

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class LineCapAllStyles
   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 x As Integer = 5
        Dim y As Integer = 17
        Dim the_pen As New Pen(Color.Black, 10)
        DrawLine(e.Graphics, x, y, Drawing2D.LineCap.NoAnchor)
        DrawLine(e.Graphics, x, y, Drawing2D.LineCap.Round)
        DrawLine(e.Graphics, x, y, Drawing2D.LineCap.RoundAnchor)
        DrawLine(e.Graphics, x, y, Drawing2D.LineCap.Square)
        DrawLine(e.Graphics, x, y, Drawing2D.LineCap.SquareAnchor)
        DrawLine(e.Graphics, x, y, Drawing2D.LineCap.Triangle)
    End Sub
    Private Sub DrawLine(ByVal gr As Graphics, ByRef x As Integer, ByRef y As Integer, ByVal style As Drawing2D.LineCap)
        Dim the_pen As New Pen(Color.Black, 10)
        the_pen.EndCap = style
        gr.DrawString(style.ToString, Me.Font, Brushes.Black, x, y - 5)
        gr.DrawLine(the_pen, x + 100, y, x + 150, y)
        y += 25
    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

LineCap styles: LineCap.AnchorMask, LineCap.ArrowAnchor,LineCap.DiamondAnchor, LineCap.Flat

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class LineCapAllStyles
   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 x As Integer = 5
        Dim y As Integer = 17
        Dim the_pen As New Pen(Color.Black, 10)
        DrawLine(e.Graphics, x, y, Drawing2D.LineCap.AnchorMask)
        DrawLine(e.Graphics, x, y, Drawing2D.LineCap.ArrowAnchor)
        DrawLine(e.Graphics, x, y, Drawing2D.LineCap.DiamondAnchor)
        DrawLine(e.Graphics, x, y, Drawing2D.LineCap.Flat)
    End Sub
    Private Sub DrawLine(ByVal gr As Graphics, ByRef x As Integer, ByRef y As Integer, ByVal style As Drawing2D.LineCap)
        Dim the_pen As New Pen(Color.Black, 10)
        the_pen.EndCap = style
        gr.DrawString(style.ToString, Me.Font, Brushes.Black, x, y - 5)
        gr.DrawLine(the_pen, x + 100, y, x + 150, y)
        y += 25
    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