в 16:40, 26 мая 2010

2010-05-26T16:40:30Z

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2010-05-26T12:55:18Z

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==All Dash styles==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class DashesFormDem
public Shared Sub Main
Application.Run(New DashesForm)
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"
Me.ClientSize = New System.Drawing.Size(352, 600)
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 / 6
Dim blackBrush As Brush = Brushes.Black
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)
y = y + height
Next
End Sub
End Class</source>

==DashStyle.Custom, Dash, DashDot, DashDotDot, Dot, Solid==

<source lang="vbnet">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</source>

==LineDashCap==

<source lang="vbnet">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</source>

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VB.Net Tutorial/2D Graphics/Dash styles - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия