в 16:40, 26 мая 2010

2010-05-26T16:40:06Z

Admin: 1 версия

2010-05-26T12:43:16Z

1 версия

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==Add a Button to Frame Dynamically==

<source lang="vbnet">
Imports System
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Configuration
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Drawing.Text
Imports System.Globalization
Imports System.Text
Imports System.Collections
Public Class MainClass
Shared Sub Main()
Dim myform As Form = New Form1()
Application.Run(myform)
End Sub
End Class

Public Class Form1
" Declare the btnHi button WithEvents.
Private WithEvents buttonHi As Button
" Make the new buttonHi button.
Private Sub btnMakeHiButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnMakeHiButton.Click
buttonHi = New Button
buttonHi.SetBounds(96, 50, 75, 23)
buttonHi.Text = "Say Hi"
Me.Controls.Add(buttonHi)
End Sub
" The user clicked the buttonHi button.
Private Sub buttonHi_Click(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles buttonHi.Click
MessageBox.Show("Hi")
End Sub
Private Sub btnRemoveHiButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnRemoveHiButton.Click
Me.Controls.Remove(buttonHi)
buttonHi = Nothing
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.btnMakeHiButton = New System.Windows.Forms.Button
Me.btnRemoveHiButton = New System.Windows.Forms.Button
Me.SuspendLayout()
"
"btnMakeHiButton
"
Me.btnMakeHiButton.Location = New System.Drawing.Point(8, 8)
Me.btnMakeHiButton.Name = "btnMakeHiButton"
Me.btnMakeHiButton.Size = New System.Drawing.Size(112, 23)
Me.btnMakeHiButton.TabIndex = 0
Me.btnMakeHiButton.Text = "Make Hi Button"
"
"btnRemoveHiButton
"
Me.btnRemoveHiButton.Location = New System.Drawing.Point(144, 8)
Me.btnRemoveHiButton.Name = "btnRemoveHiButton"
Me.btnRemoveHiButton.Size = New System.Drawing.Size(112, 23)
Me.btnRemoveHiButton.TabIndex = 1
Me.btnRemoveHiButton.Text = "Remove Hi Button"
"
"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.Controls.Add(Me.btnRemoveHiButton)
Me.Controls.Add(Me.btnMakeHiButton)
Me.Name = "Form1"
Me.Text = "Form1"
Me.ResumeLayout(False)
End Sub
Friend WithEvents btnMakeHiButton As System.Windows.Forms.Button
Friend WithEvents btnRemoveHiButton As System.Windows.Forms.Button
End Class

</source>

==Button Paint Event ==

<source lang="vbnet">
Imports System
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Configuration
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Drawing.Text
Public Class MainClass

Shared Sub Main()

Dim myform As Form = New OwnerDrawnButton()
Application.Run(myform)
End Sub
End Class

Public Class OwnerDrawnButton
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 button4 As System.Windows.Forms.Button
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.button4 = New System.Windows.Forms.Button()
Me.SuspendLayout()
"
"button4
"
Me.button4.Location = New System.Drawing.Point(40, 35)
Me.button4.Name = "button4"
Me.button4.Size = New System.Drawing.Size(200, 40)
Me.button4.TabIndex = 2
Me.button4.Text = "button4"
"
"OwnerDrawnButton
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(280, 110)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.button4})
Me.Name = "OwnerDrawnButton"
Me.Text = "OwnerDrawnButton"
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub button4_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles button4.Paint
Dim pen As Pen = New Pen(Color.Red, 2)
e.Graphics.DrawRectangle(pen, 5, 5, button4.Width - 10, button4.Height - 10)
End Sub
End Class

</source>

==Change Button Font at Runtime==

<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
Friend WithEvents Button1 As System.Windows.Forms.Button
"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()
Me.Button1 = New System.Windows.Forms.Button()
Me.SuspendLayout()
"
"Button1
"
Me.Button1.Location = New System.Drawing.Point(72, 104)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(184, 48)
Me.Button1.TabIndex = 0
Me.Button1.Text = "Click me to change my font"
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(6, 15)
Me.ClientSize = New System.Drawing.Size(328, 168)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button1})
Me.Name = "Form1"
Me.Text = "Changing the font on the button"
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim myFont As System.Drawing.Font
myFont = New System.Drawing.Font("Arial", 12,FontStyle.Bold Or FontStyle.Italic)
Me.Font = myFont
Button1.Text = "My font was changed to this"
End Sub
End Class

</source>

==Set button background==

<source lang="vbnet">
Imports System
Imports System.Drawing
Imports System.Collections
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Configuration
Imports System.Resources

Public Class OptionsDialog
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 okButton As System.Windows.Forms.Button
Friend WithEvents changeColorButton As System.Windows.Forms.Button
Friend WithEvents label1 As System.Windows.Forms.Label
Friend WithEvents errorProvider1 As System.Windows.Forms.ErrorProvider
Friend WithEvents colorDialog1 As System.Windows.Forms.ColorDialog
Friend WithEvents _cancelButton As System.Windows.Forms.Button
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.okButton = New System.Windows.Forms.Button()
Me.changeColorButton = New System.Windows.Forms.Button()
Me._cancelButton = New System.Windows.Forms.Button()
Me.label1 = New System.Windows.Forms.Label()
Me.errorProvider1 = New System.Windows.Forms.ErrorProvider()
Me.colorDialog1 = New System.Windows.Forms.ColorDialog()
Me.SuspendLayout()
"
"okButton
"
Me.okButton.Anchor = (System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Right)
Me.okButton.DialogResult = System.Windows.Forms.DialogResult.OK
Me.okButton.Location = New System.Drawing.Point(32, 64)
Me.okButton.Name = "okButton"
Me.okButton.TabIndex = 5
Me.okButton.Text = "OK"
"
"changeColorButton
"
Me.changeColorButton.Location = New System.Drawing.Point(120, 8)
Me.changeColorButton.Name = "changeColorButton"
Me.changeColorButton.TabIndex = 4
Me.changeColorButton.Text = "Change..."
"
"_cancelButton
"
Me._cancelButton.Anchor = (System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Right)
Me._cancelButton.CausesValidation = False
Me._cancelButton.DialogResult = System.Windows.Forms.DialogResult.Cancel
Me._cancelButton.Location = New System.Drawing.Point(120, 64)
Me._cancelButton.Name = "_cancelButton"
Me._cancelButton.TabIndex = 6
Me._cancelButton.Text = "Cancel"
"
"label1
"
Me.label1.Location = New System.Drawing.Point(8, 8)
Me.label1.Name = "label1"
Me.label1.TabIndex = 3
Me.label1.Text = "Favorite Color"
Me.label1.TextAlign = System.Drawing.ContentAlignment.MiddleLeft
"
"errorProvider1
"
Me.errorProvider1.DataMember = Nothing
"
"OptionsDialog
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(208, 102)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me._cancelButton, Me.label1, Me.okButton, Me.changeColorButton})
Me.Name = "OptionsDialog"
Me.Text = "OptionsDialog"
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub changeColorButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles changeColorButton.Click
If colorDialog1.ShowDialog() = DialogResult.OK Then
changeColorButton.BackColor = colorDialog1.Color
End If
End Sub
Public Property FavoriteColor() As Color
Get
Return colorDialog1.Color
End Get
Set(ByVal Value As Color)
changeColorButton.BackColor = Value
colorDialog1.Color = Value
End Set
End Property
Private Sub cancelButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles _cancelButton.Click
End Sub
Shared Sub Main()
Dim myform As Form = New OptionsDialog()
Application.Run(myform)
End Sub
End Class

</source>

==Simple Button action==

<source lang="vbnet">
Imports System
Imports System.Windows.Forms
Class MyFirstForm
Inherits Form
Private WithEvents mybutton As Button
Public Sub New()
Me.Text = "Hello, WinForms!"
mybutton = New Button()
mybutton.Text = "Click Me!"
Me.Controls.Add(mybutton)
End Sub
Public Sub mybutton_Click(sender As Object, e As EventArgs) Handles mybutton.Click
MessageBox.Show("Message")
End Sub
Shared Sub Main()
Dim myform As Form = New MyFirstForm()
Application.Run(myform)
End Sub
End Class

</source>

==Simple Button Click action==

<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 Button1 As System.Windows.Forms.Button
Friend WithEvents RichTextBox1 As System.Windows.Forms.RichTextBox
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.Button1 = New System.Windows.Forms.Button()
Me.RichTextBox1 = New System.Windows.Forms.RichTextBox()
Me.SuspendLayout()
"
"Button1
"
Me.Button1.Location = New System.Drawing.Point(120, 272)
Me.Button1.Name = "Button1"
Me.Button1.TabIndex = 1
Me.Button1.Text = "Button1"
"
"RichTextBox1
"
Me.RichTextBox1.Location = New System.Drawing.Point(32, 24)
Me.RichTextBox1.Name = "RichTextBox1"
Me.RichTextBox1.Size = New System.Drawing.Size(264, 232)
Me.RichTextBox1.TabIndex = 2
Me.RichTextBox1.Text = ""
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(328, 309)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.RichTextBox1, Me.Button1})
Me.Name = "Form1"
Me.Text = "ButtonDemo"
Me.ResumeLayout(False)
End Sub
#End Region

Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
MessageBox.Show("clicked")
End Sub
End Class

</source>

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VB.Net/GUI/Button - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия