VB.Net Tutorial/2D Graphics/HatchBrush

Create HatchBrush from HatchBrush style and two colors

<source lang="vbnet">Imports System Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data public class HatchBrushCreateHacthStyleAndColors

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

End class Public Class BrushesForm

   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()
       "
       "BrushesForm
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(292, 266)
       Me.Name = "BrushesForm"
       Me.Text = "Form1"
   End Sub

1. End Region

   Enum LinearGradientMode
       BackwardDiagonal
       ForwardDiagonal
       Horizontal
       Vertical
   End Enum
   Private Sub BrushesForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
       Dim g As Graphics = e.Graphics
       Dim width As Integer = Me.ClientRectangle.Width
       Dim height As Integer = Me.ClientRectangle.Height / 5
       Dim whiteBrush As Brush = System.Drawing.Brushes.White
       Dim blackBrush As Brush = System.Drawing.Brushes.Black
       Dim b As Brush
       Dim file As String = "YourFile.jpg"
       b = New HatchBrush(HatchStyle.Divot, Color.DarkBlue, Color.White)
       g.FillRectangle(b, 0, 0, width, height)
       g.DrawString(b.ToString(), Me.Font, whiteBrush, 0, 0)
   End Sub

End Class</source>

Get All HatchStyles

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

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

End class

Public Class HatchBrushesForm

   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()
       "
       "HatchBrushesForm
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(600, 600)
       Me.Name = "HatchBrushesForm"
       Me.Text = "HatchBrushesForm"
   End Sub

1. End Region

   Private Sub HatchBrushesForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
       Dim g As Graphics = e.Graphics
       Dim hatchNames As String() = System.Enum.GetNames(GetType(HatchStyle))
       Dim x As Integer = 0
       Dim y As Integer = 0
       Dim width As Integer = Me.ClientRectangle.Width / 4
       Dim height As Integer = Me.ClientRectangle.Height / (hatchNames.Length / 4)
       Dim blackBrush As Brush = Brushes.Black
       Dim blackPen As Pen = Pens.Black
       Array.Sort(hatchNames)
       Dim hatchName As String
       For Each hatchName In hatchNames
           Dim style As HatchStyle = CType(System.Enum.Parse(GetType(HatchStyle), hatchName), HatchStyle)
           Dim b As HatchBrush = New HatchBrush(style, Color.Black, Color.White)
           g.FillRectangle(b, x, CInt(y + height / 2), width, CInt(height / 2))
           g.DrawRectangle(blackPen, x, y, width, height)
           g.DrawString(hatchName, Me.Font, blackBrush, x, y)
           x = x + width
           If x > (Me.ClientRectangle.Width - width) Then
               y = y + height
               x = 0
           End If
       Next
   End Sub

End Class</source>

HatchBrush HatchStyle BackwardDiagonal

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

  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 h As HatchBrush = New HatchBrush(HatchStyle.BackwardDiagonal,Color.Black,Color.Cyan)
   Dim P As Pen = New Pen(h, 20)
   e.Graphics.Clear(Color.AliceBlue)
   e.Graphics.SmoothingMode = SmoothingMode.AntiAlias
   e.Graphics.DrawLine(P, 80, 90, 80, 200)
   e.Graphics.FillEllipse(h, 50, 50, 50, 30)
   P.Dispose()
   h.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>

HatchStyle.DarkDownwardDiagonal

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

  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 = e.Graphics "
    Dim hBrush2 As New HatchBrush(HatchStyle.DarkDownwardDiagonal, Color.Green, Color.Black)
    g.FillRectangle(hBrush2, New Rectangle(150, 80, 200, 140))
 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>

HatchStyle.DashedVertical

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

  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 = e.Graphics "
    Dim hBrush1 As New HatchBrush(HatchStyle.DashedVertical, Color.Chocolate, Color.Red)
    g.FillEllipse(hBrush1, 20, 40, 100, 120)
 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>

HatchStyle.LightUpwardDiagonal

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

  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 recDrawingRectangle As Rectangle
       recDrawingRectangle = New Rectangle(30, 170, 100, 70)
       Dim hb As New HatchBrush(HatchStyle.LightUpwardDiagonal, _
           Color.Aquamarine)
       e.Graphics.FillRectangle(hb, recDrawingRectangle)
 End Sub
 Public Sub New()
   Me.ClientSize = New System.Drawing.Size(292, 273)
 End Sub

End Class</source>

HatchStyle.SmallCheckerBoard

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

  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 = e.Graphics "
     Dim hBrush3 As New HatchBrush(HatchStyle.SmallCheckerBoard, Color.BlueViolet, Color.Blue)
     Dim rect As New Rectangle(150, 80, 200, 140)
     g.FillPie(hBrush3, 40, 20, 200, 40, 0.0F, 60.0F)
 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>

List all Hatch styles

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

  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 = 10
       Dim y As Integer = 20
       
       e.Graphics.Clear(Me.BackColor)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.BackwardDiagonal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Cross)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DarkDownwardDiagonal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DarkHorizontal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DarkUpwardDiagonal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DarkVertical)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DashedDownwardDiagonal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DashedHorizontal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DashedUpwardDiagonal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DashedVertical)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DiagonalBrick)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DiagonalCross)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Divot)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DottedDiamond)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DottedGrid)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.ForwardDiagonal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Horizontal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.HorizontalBrick)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.LargeCheckerBoard)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.LargeConfetti)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.LargeGrid)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.LightDownwardDiagonal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.LightHorizontal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.LightUpwardDiagonal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.LightVertical)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.NarrowHorizontal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.NarrowVertical)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.OutlinedDiamond)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent05)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent10)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent20)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent25)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent30)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent40)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent50)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent60)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent70)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent75)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent80)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent90)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Plaid)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Shingle)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.SmallCheckerBoard)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.SmallConfetti)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.SmallGrid)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.SolidDiamond)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Sphere)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Trellis)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Vertical)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Wave)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Weave)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.WideDownwardDiagonal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.WideUpwardDiagonal)
       DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.ZigZag)
   End Sub
   Private Sub DrawSample(ByVal gr As Graphics, ByRef x As Integer, ByRef y As Integer, ByVal hatch_style As Drawing2D.HatchStyle)
       gr.DrawString(hatch_style.ToString, Me.Font, Brushes.Black, x, y)
       Dim the_brush As New Drawing2D.HatchBrush(hatch_style, Color.Black, Color.White)
       gr.FillRectangle(the_brush, x, y + 15, 100, 20)
       y += 40
       If y + 40 > Me.ClientRectangle.Height Then
           x += 150
           y = 20
       End If
   End Sub
 Public Sub New()
  
   MyBase.New()
   Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
   Me.ClientSize = New System.Drawing.Size(600, 600)
   Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
 End Sub

End Class</source>

Use HatchBrush with HatchStyle.Horizontal to draw an arrow

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

  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)
       e.Graphics.ScaleTransform(30, 30, MatrixOrder.Append)
       DrawArrow(e.Graphics, HatchStyle.Horizontal)
   End Sub
   Private Sub DrawArrow(ByVal gr As Graphics, ByVal hatch_style As HatchStyle)
       Dim pts() As Point = { _
           New Point(0, 1), _
           New Point(2, 1), _
           New Point(2, 0), _
           New Point(4, 2), _
           New Point(2, 4), _
           New Point(2, 3), _
           New Point(0, 3) _
       }
       gr.FillPolygon(New HatchBrush(hatch_style, Color.Black, Color.White), pts)
       gr.DrawPolygon(New Pen(Color.Black, 0), pts)
   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>

Use the HatchBrush

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

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

End class

Public Class Form1

   Inherits System.Windows.Forms.Form
   Public Sub New()
       MyBase.New()
       InitializeComponent()

   End Sub
   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
   Private components As System.ruponentModel.IContainer
   Friend WithEvents PictureBox1 As System.Windows.Forms.PictureBox
   Friend WithEvents Button1 As System.Windows.Forms.Button
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       Me.PictureBox1 = New System.Windows.Forms.PictureBox
       Me.Button1 = New System.Windows.Forms.Button
       Me.SuspendLayout()
       "
       "PictureBox1
       "
       Me.PictureBox1.BackColor = System.Drawing.SystemColors.Window
       Me.PictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
       Me.PictureBox1.Dock = System.Windows.Forms.DockStyle.Top
       Me.PictureBox1.Location = New System.Drawing.Point(0, 0)
       Me.PictureBox1.Name = "PictureBox1"
       Me.PictureBox1.Size = New System.Drawing.Size(336, 168)
       Me.PictureBox1.TabIndex = 0
       Me.PictureBox1.TabStop = False
       "
       "Button1
       "
       Me.Button1.Location = New System.Drawing.Point(112, 184)
       Me.Button1.Name = "Button1"
       Me.Button1.Size = New System.Drawing.Size(80, 24)
       Me.Button1.TabIndex = 1
       Me.Button1.Text = "Draw"
       "
       "Form1
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(336, 238)
       Me.Controls.Add(Me.Button1)
       Me.Controls.Add(Me.PictureBox1)
       Me.ResumeLayout(False)
   End Sub
   Dim brush1 As System.Drawing.Brush
   Dim g As System.Drawing.Graphics
   Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
       brush1 = New System.Drawing.Drawing2D.HatchBrush(Drawing.Drawing2D.HatchStyle.Cross, Color.Red, Color.Green)
       PictureBox1.Refresh()
       g = PictureBox1.CreateGraphics
       g.FillEllipse(brush1, 70, 10, 100, 150)
   End Sub

End Class</source>