VB.Net by API/System.Drawing/Pen

Материал из VB Эксперт
Версия от 12:49, 26 мая 2010; Admin (обсуждение | вклад) (1 версия)
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New Pen(Brush brush1, Int Width)

  
Imports System
Imports System.Drawing
Imports System.Windows.Forms
Imports System.Drawing.Text
Public Class MainClass
   Shared Sub Main()
        Dim myform As Form = New FrmDrawing()
        Application.Run(myform)
   End Sub " Main
End Class
Public Class FrmDrawing
   Inherits System.Windows.Forms.Form
   Public Sub New()
      MyBase.New()
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.BackColor = System.Drawing.SystemColors.AppWorkspace
      Me.ClientSize = New System.Drawing.Size(472, 157)
   End Sub
   Protected Overrides Sub OnPaint(ByVal paintEvent As PaintEventArgs)
      Dim graphicsObject As Graphics = paintEvent.Graphics
      Dim rectangle1 As Rectangle = New Rectangle(15, 35, 80, 80)
      Dim brush1 As SolidBrush = New SolidBrush(Color.Firebrick)
      Dim pen1 As Pen = New Pen(brush1, 1)
      Dim brush2 As SolidBrush = New SolidBrush(Color.DarkBlue)
      Dim pen2 As Pen = New Pen(brush2, 1)
      " start at 0 and sweep 360 degrees
      graphicsObject.DrawRectangle(pen1, rectangle1)
      graphicsObject.DrawArc(pen2, rectangle1, 0, 360)
   End Sub " OnPaint
End Class " FrmDrawing


New Pen(Color c, Int width)

  
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class DrawCircle
   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
        Dim myrect As RectangleF
        mypen = New Pen(System.Drawing.Color.Red, 6)
        a = Me.CreateGraphics
        a.Clear(Me.BackColor)
        a.DrawEllipse(mypen, 100, 100, 50, 50)
        a.DrawEllipse(mypen, 75, 75, 100, 100)
        a.DrawEllipse(mypen, 25, 25, 200, 200)
        a.DrawEllipse(mypen, 0, 0, 250, 250)
        myrect.X = 300
        myrect.Y = 10
        myrect.Width = 250
        myrect.Height = 100
        a.DrawEllipse(mypen, myrect)
        myrect.X = 400
        myrect.Y = 10
        myrect.Width = 100
        myrect.Height = 250
        a.DrawEllipse(mypen, myrect)

        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


Pen.CompoundArray

  
Imports System
Imports System.Collections
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Configuration
Imports System.Resources
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Drawing.Imaging
Imports System.Diagnostics
Public Class MainClass
    Shared Sub Main()
        Dim myform As Form = New CompoundForm()
        Application.Run(myform)
    End Sub
End Class
Public Class CompoundForm
    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 = "CompoundForm"
    End Sub
#End Region

    Private Sub CompoundForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
        Dim g As Graphics = e.Graphics
        Dim pen As Pen = New Pen(Color.Black, 20)
        pen.rupoundArray = New Single() {0.0, 0.25, 0.45, 0.55, 0.75, 1.0}
        g.DrawRectangle(pen, New Rectangle(20, 20, Me.ClientRectangle.Width - 40, Me.ClientRectangle.Height - 40))
    End Sub
End Class


Pen.CustomEndCap

  
        
        
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class CustomLineCapLine
   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 pts() As Point = { _
            New Point(0, 0), _
            New Point(2, 2), _
            New Point(0, 0), _
            New Point(2, -2) _
        }
        Dim cap_path As New GraphicsPath
        cap_path.AddLines(pts)
        " Make the CustomLineCap.
        Dim x_cap As New CustomLineCap(Nothing, cap_path)
        " Draw some lines with x_cap.
        Dim the_pen As New Pen(Color.Black, 1)
        the_pen.CustomStartCap = x_cap
        the_pen.CustomEndCap = x_cap
        the_pen.Width = 20
        e.Graphics.DrawLine(the_pen, 50, 200, 200, 200)
  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


Pen.CustomStartCap

  
        
        
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class CustomLineCapLine
   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 pts() As Point = { _
            New Point(0, 0), _
            New Point(2, 2), _
            New Point(0, 0), _
            New Point(2, -2) _
        }
        Dim cap_path As New GraphicsPath
        cap_path.AddLines(pts)
        " Make the CustomLineCap.
        Dim x_cap As New CustomLineCap(Nothing, cap_path)
        " Draw some lines with x_cap.
        Dim the_pen As New Pen(Color.Black, 1)
        the_pen.CustomStartCap = x_cap
        the_pen.CustomEndCap = x_cap
        the_pen.Width = 20
        e.Graphics.DrawLine(the_pen, 50, 200, 200, 200)
  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


Pen.DashCap

  
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


Pen.DashPattern

  
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


Pen.DashStyle

  
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
Источник — «http://vbex.ru/index.php?title=VB.Net_by_API/System.Drawing/Pen&oldid=2120»