в 16:40, 26 мая 2010

2010-05-26T16:40:06Z

Admin: 1 версия

2010-05-26T12:41:43Z

1 версия

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==Draw and fill a Ellipse==

<source lang="vbnet">
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
#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.Container
"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()
"
"frmDrawing
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.BackColor = System.Drawing.SystemColors.AppWorkspace
Me.ClientSize = New System.Drawing.Size(472, 157)
Me.Name = "frmDrawing"
Me.Text = "Drawing lines, rectangles and ovals"
End Sub
#End Region
" display ovals lines, and rectangles
Protected Overrides Sub OnPaint( _
ByVal paintEvent As PaintEventArgs)
" get graphics object
Dim g As Graphics = paintEvent.Graphics
Dim brush As SolidBrush = New SolidBrush(Color.Blue)
Dim pen As Pen = New Pen(Color.AliceBlue)
" set brush to red
brush.Color = Color.Red
" draw base Ellipse
g.FillEllipse(brush, 280, 75, 100, 50)
" draw connecting lines
g.DrawLine(pen, 380, 55, 380, 100)
g.DrawLine(pen, 280, 55, 280, 100)
" draw Ellipse outline
g.DrawEllipse(pen, 280, 30, 100, 50)
End Sub " OnPaint
End Class " FrmDrawing

</source>

==Draw Ellipse==

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

Public Class MainClass
Shared Sub Main()
Dim form1 As Form1 = new Form1
Application.Run(form1)
End Sub

End Class

Public Class Form1
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()
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(504, 629)
Me.Name = "Form1"
Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
Me.Text = "Form1"
End Sub
#End Region
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
End Sub
Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
Dim R1 As New Rectangle(10, 10, 40, 40)
e.Graphics.SmoothingMode = SmoothingMode.HighQuality
"Use first rect to bound ellipse as circle
e.Graphics.ResetTransform()
e.Graphics.TranslateTransform(0.0F, 50.0F)
e.Graphics.DrawEllipse(Pens.Green, R1)

End Sub

End Class

</source>

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VB.Net/2D/Ellipse - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия