в 16:40, 26 мая 2010

2010-05-26T16:40:06Z

Admin: 1 версия

2010-05-26T12:43:09Z

1 версия

Новая страница

==Get HScrollBar Value==

<source lang="vbnet">
Imports System
Imports System.Windows.Forms
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Drawing.Text
Imports System.Drawing.Imaging
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()
AlphaScroll.Minimum = 20
AlphaScroll.Maximum = 245
AlphaScroll.SmallChange = 5
AlphaScroll.LargeChange = 5
GammaScroll.Minimum = 1
GammaScroll.Maximum = 50
GammaScroll.SmallChange = 1
GammaScroll.LargeChange = 5

End Sub
Friend WithEvents GammaScroll As System.Windows.Forms.HScrollBar
Friend WithEvents AlphaScroll As System.Windows.Forms.HScrollBar
"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.GammaScroll = New System.Windows.Forms.HScrollBar()
Me.AlphaScroll = New System.Windows.Forms.HScrollBar()
Me.SuspendLayout()
"
"GammaScroll
"
Me.GammaScroll.Location = New System.Drawing.Point(32, 24)
Me.GammaScroll.Name = "GammaScroll"
Me.GammaScroll.Size = New System.Drawing.Size(96, 16)
Me.GammaScroll.TabIndex = 0
"
"AlphaScroll
"
Me.AlphaScroll.Location = New System.Drawing.Point(32, 136)
Me.AlphaScroll.Name = "AlphaScroll"
Me.AlphaScroll.Size = New System.Drawing.Size(96, 16)
Me.AlphaScroll.TabIndex = 1
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 273)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.AlphaScroll, Me.GammaScroll})
Me.Name = "Form1"
Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
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
Private Sub GammaScroll_Scroll(ByVal sender As System.Object, _
ByVal e As System.Windows.Forms.ScrollEventArgs) _
Handles GammaScroll.Scroll

Console.WriteLine( CType(GammaScroll.Value / 10, Single) )
End Sub
Private Sub AlphaScroll_Scroll(ByVal sender As System.Object, _
ByVal e As System.Windows.Forms.ScrollEventArgs) _
Handles AlphaScroll.Scroll
Console.WriteLine( AlphaScroll.Value )
End Sub
End Class

</source>

==Get Value from Vertical Scroll Bar==

<source lang="vbnet">
Imports System
Imports System.Data
Imports System.Windows.Forms
Imports System.Drawing
Public Class MainClass

Shared Sub Main()
Dim form1 As Form = New Form1
Application.Run(form1)
End Sub
End Class

Public Class Form1
Private Sub hbarDays_ValueChanged(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles hbarDays.ValueChanged
lblDays.Text = hbarDays.Value.ToString
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.hbarDays = New System.Windows.Forms.HScrollBar
Me.Label1 = New System.Windows.Forms.Label
Me.lblDays = New System.Windows.Forms.Label
Me.SuspendLayout()
"
"hbarDays
"
Me.hbarDays.Location = New System.Drawing.Point(8, 32)
Me.hbarDays.Maximum = 109
Me.hbarDays.Name = "hbarDays"
Me.hbarDays.Size = New System.Drawing.Size(280, 16)
Me.hbarDays.TabIndex = 0
"
"Label1
"
Me.Label1.AutoSize = True
Me.Label1.Location = New System.Drawing.Point(8, 8)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(27, 13)
Me.Label1.TabIndex = 1
Me.Label1.Text = "Days"
"
"lblDays
"
Me.lblDays.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
Me.lblDays.Location = New System.Drawing.Point(48, 8)
Me.lblDays.Name = "lblDays"
Me.lblDays.Size = New System.Drawing.Size(40, 16)
Me.lblDays.TabIndex = 2
Me.lblDays.Text = "0"
"
"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, 84)
Me.Controls.Add(Me.lblDays)
Me.Controls.Add(Me.Label1)
Me.Controls.Add(Me.hbarDays)
Me.Name = "Form1"
Me.Text = "UseHScrollBar"
Me.ResumeLayout(False)
Me.PerformLayout()
End Sub
Friend WithEvents hbarDays As System.Windows.Forms.HScrollBar
Friend WithEvents Label1 As System.Windows.Forms.Label
Friend WithEvents lblDays As System.Windows.Forms.Label
End Class

</source>

==ScrollBar Demo: get value==

<source lang="vbnet">
Imports System.Windows.Forms
Module Module1
Sub Main()
Application.Run(New Form1)
End Sub
End Module
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.
Friend WithEvents HScrollBar1 As System.Windows.Forms.HScrollBar
Friend WithEvents VScrollBar1 As System.Windows.Forms.VScrollBar
Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.HScrollBar1 = New System.Windows.Forms.HScrollBar()
Me.VScrollBar1 = New System.Windows.Forms.VScrollBar()
Me.TextBox1 = New System.Windows.Forms.TextBox()
Me.TextBox2 = New System.Windows.Forms.TextBox()
Me.SuspendLayout()
"
"HScrollBar1
"
Me.HScrollBar1.Location = New System.Drawing.Point(32, 112)
Me.HScrollBar1.Maximum = 1000
Me.HScrollBar1.Minimum = 1
Me.HScrollBar1.Name = "HScrollBar1"
Me.HScrollBar1.Size = New System.Drawing.Size(200, 13)
Me.HScrollBar1.TabIndex = 0
Me.HScrollBar1.Value = 1
"
"VScrollBar1
"
Me.VScrollBar1.LargeChange = 1
Me.VScrollBar1.Location = New System.Drawing.Point(32, 16)
Me.VScrollBar1.Minimum = 1
Me.VScrollBar1.Name = "VScrollBar1"
Me.VScrollBar1.TabIndex = 1
Me.VScrollBar1.Value = 1
"
"TextBox1
"
Me.TextBox1.Location = New System.Drawing.Point(64, 24)
Me.TextBox1.Name = "TextBox1"
Me.TextBox1.TabIndex = 2
Me.TextBox1.Text = ""
"
"TextBox2
"
Me.TextBox2.Location = New System.Drawing.Point(248, 112)
Me.TextBox2.Name = "TextBox2"
Me.TextBox2.TabIndex = 3
Me.TextBox2.Text = ""
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(368, 165)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.TextBox2, Me.TextBox1, Me.VScrollBar1, Me.HScrollBar1})
Me.Name = "Form1"
Me.Text = "ScrollBarDemo"
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub VScrollBar1_ValueChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles VScrollBar1.ValueChanged
TextBox1.Text = VScrollBar1.Value
End Sub
Private Sub HScrollBar1_Scroll(ByVal sender As Object, ByVal e As System.Windows.Forms.ScrollEventArgs) Handles HScrollBar1.Scroll
TextBox2.Text = HScrollBar1.Value
End Sub
End Class

</source>

==Use Scroll Bar to set rotate, X position and repaint==

<source lang="vbnet">
Imports System
Imports System.Windows.Forms
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Drawing.Text
Imports System.Drawing.Imaging
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
Dim XlateY As Int32
Dim Angle As Single
Dim DrawingRect As Rectangle = New Rectangle(25, 25, 225, 225)
#Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
"This call is required by the Windows Form Designer.
InitializeComponent()
Angle = 0
Xlatey = 0
xlate.Minimum = -50
xlate.Maximum = 50
xlate.SmallChange = 1
xlate.LargeChange = 5
xlate.Value = 0
rotate.Minimum = -180
rotate.Maximum = 180
rotate.SmallChange = 1
rotate.LargeChange = 10
rotate.Value = 0
Me.SetStyle(ControlStyles.AllPaintingInWmPaint, True)
Me.SetStyle(ControlStyles.DoubleBuffer, True)
Me.SetStyle(ControlStyles.UserPaint, True)
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.
Friend WithEvents xlate As System.Windows.Forms.VScrollBar
Friend WithEvents rotate As System.Windows.Forms.HScrollBar
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.xlate = New System.Windows.Forms.VScrollBar()
Me.rotate = New System.Windows.Forms.HScrollBar()
Me.SuspendLayout()
"
"xlate
"
Me.xlate.Location = New System.Drawing.Point(264, 32)
Me.xlate.Name = "xlate"
Me.xlate.Size = New System.Drawing.Size(16, 200)
Me.xlate.TabIndex = 0
"
"rotate
"
Me.rotate.Location = New System.Drawing.Point(8, 240)
Me.rotate.Name = "rotate"
Me.rotate.Size = New System.Drawing.Size(240, 16)
Me.rotate.TabIndex = 1
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 273)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.rotate, Me.xlate})
Me.MaximizeBox = False
Me.MinimizeBox = False
Me.Name = "Form1"
Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
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
G.SmoothingMode = SmoothingMode.AntiAlias
" Create a graphics path, add a rectangle, set colors
Dim Path As New GraphicsPath()
Path.AddRectangle(New Rectangle(75, 100, 100, 75))
Dim Pts As PointF() = Path.PathPoints
Dim B As New PathGradientBrush(Pts)
"translate the brush
Dim m As New Matrix()
m.Translate(0, Xlatey, MatrixOrder.Append)
m.RotateAt(Angle, B.CenterPoint, MatrixOrder.Append)
B.MultiplyTransform(m, MatrixOrder.Append)
G.FillRectangle(B, DrawingRect)
End Sub
Private Sub xlate_Scroll(ByVal sender As System.Object, _
ByVal e As System.Windows.Forms.ScrollEventArgs) _
Handles xlate.Scroll
Xlatey = xlate.Value
Me.Invalidate(DrawingRect)
End Sub
Private Sub rotate_Scroll(ByVal sender As System.Object, _
ByVal e As System.Windows.Forms.ScrollEventArgs) _
Handles rotate.Scroll
Angle = rotate.Value
Me.Invalidate(DrawingRect)
End Sub
End Class

</source>

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VB.Net/GUI/ScrollBar - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия