в 16:40, 26 мая 2010

2010-05-26T16:40:06Z

Admin: 1 версия

2010-05-26T12:42:04Z

1 версия

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==Controll the Dash Style==

<source lang="vbnet">
Imports System
Imports System.Runtime.InteropServices
Imports System.Drawing
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.IO
Imports System.Xml.Serialization
Public Class MainClass

Shared Sub Main(ByVal args As String())
Dim myform As New Form1()
Application.Run(myform)
End Sub
End Class

Public Class Form1
Private Sub DrawDashedBox(ByVal gr As System.Drawing.Graphics)
End Sub
Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint

Dim my_pen As New System.Drawing.Pen(System.Drawing.Color.Blue, 5)
my_pen.DashStyle = System.Drawing.Drawing2D.DashStyle.DashDotDot
Dim rect As System.Drawing.Rectangle = Me.ClientRectangle
rect.X += 10
rect.Y += 10
rect.Width -= 20
rect.Height -= 20
e.Graphics.Clear(Me.BackColor)
e.Graphics.DrawRectangle(my_pen, rect)
End Sub
Private Sub Form1_Resize(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Resize
Me.Invalidate()
End Sub
End Class

<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form
"Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
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()
Me.SuspendLayout()
"
"Form1
"
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(292, 273)
Me.Name = "Form1"
Me.Text = "DrawDashes"
Me.ResumeLayout(False)
End Sub
End Class

</source>

==Line Dashes Demo==

<source lang="vbnet">
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 DashesForm()
Application.Run(myform)
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"
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 / ((dashNames.Length) / 2)
Dim blackBrush As Brush = Brushes.Black
Debug.Assert(dashNames.Length Mod 2 = 0)
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)
x = x + width
If x > Me.ClientRectangle.Width - width Then
y = y + height
x = 0
End If
Next
End Sub
End Class

</source>

==Line Dash Style Demo==

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

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
Friend WithEvents lblType As System.Windows.Forms.Label
"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()
Me.lblType = New System.Windows.Forms.Label()
Me.SuspendLayout()
"
"lblType
"
Me.lblType.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
Me.lblType.Location = New System.Drawing.Point(16, 176)
Me.lblType.Name = "lblType"
Me.lblType.Size = New System.Drawing.Size(360, 24)
Me.lblType.TabIndex = 0
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(392, 213)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lblType})
Me.Name = "Form1"
Me.Text = "Form1"
Me.ResumeLayout(False)
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 G As Graphics = e.Graphics
Dim P1 As Pen = New Pen(Color.Blue, 10)
"DashStyle
Dim P2 As Pen = New Pen(Color.Blue, 10)
Dim pts() As Single = {3, 1, 2, 5}

P2.DashStyle = Drawing.Drawing2D.DashStyle.Dash
P2.DashPattern = pts
" P2.DashOffset = 40
P2.DashCap = Drawing.Drawing2D.DashCap.Triangle
P2.StartCap = Drawing.Drawing2D.LineCap.Round
P2.EndCap = Drawing.Drawing2D.LineCap.ArrowAnchor
G.DrawLine(P2, 20, CInt(Me.Height / 2), Me.Width - 20, CInt(Me.Height / 2))

End Sub
End Class

</source>

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VB.Net/2D/Line Dash - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия