VB.Net/2D/Rectangle
Содержание
Fill a Rectangle
<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) " create filled rectangle g.FillRectangle(brush, 90, 30, 150, 90) End Sub " OnPaint
End Class " FrmDrawing
</source>
Rectangle Inflate
<source lang="vbnet"> Imports System Imports System.Data Imports System.Windows.Forms Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Printing
Public Class MainClass
Shared Sub Main() Dim aBigBox As Rectangle = Rectangle.Inflate(New Rectangle(0,0,10,10), 6, 6) Console.WriteLine(aBigBox) End Sub
End Class
</source>
Rectangle Shape Class
<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 "Draw three rectangles Dim ThreeRects() As Rectangle = {New Rectangle(110, 10, 40, 40), _ New Rectangle(160, 10, 40, 40), _ New Rectangle(210, 10, 40, 40)} "Draw three filled rectangles e.Graphics.ResetTransform() e.Graphics.TranslateTransform(100.0F, 0.0F) e.Graphics.FillRectangles(Brushes.Red, ThreeRects)
End Sub
End Class
</source>
Simple Pen and simple Rectangle
<source lang="vbnet"> Imports System Imports System.Collections Imports System.Data Imports System.IO Imports System.Xml.Serialization Imports System.Windows.Forms Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Text Imports System.Drawing.Printing
Public Class MainClass
Shared Sub Main() Dim form1 As Form = 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.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() " "Form1 " Me.AutoScaleBaseSize = New System.Drawing.Size(6, 15) Me.ClientSize = New System.Drawing.Size(328, 268) Me.Name = "Form1" Me.Text = "Using the DrawRectangle method" End Sub
- End Region
Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs) MyBase.OnPaint(e) Dim g As Graphics g = e.Graphics() Dim myPen As New Pen(Color.Purple, 5) Dim aRectangle As New Rectangle(Me.ClientRectangle.Width \ 4, _ Me.ClientRectangle.Height \ 4, Me.ClientRectangle.Height \ 2, _ Me.ClientRectangle.Width \ 2) g.DrawRectangle(myPen, aRectangle) End Sub
End Class
</source>