VB.Net by API/System.Drawing/Pen — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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Текущая версия на 12:49, 26 мая 2010
Содержание
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