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
- 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</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>