VB.Net/GUI/LinkLabel

Материал из VB Эксперт
Версия от 15:43, 26 мая 2010; Admin (обсуждение | вклад) (1 версия)
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Click LinkLabel to Open website in your Default Web Browser

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

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
  1. 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 lnkBuy As System.Windows.Forms.LinkLabel
   Friend WithEvents lnkWebSite As System.Windows.Forms.LinkLabel
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       Me.lnkBuy = New System.Windows.Forms.LinkLabel()
       Me.lnkWebSite = New System.Windows.Forms.LinkLabel()
       Me.SuspendLayout()
       "
       "lnkBuy
       "
       Me.lnkBuy.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
       Me.lnkBuy.LinkArea = New System.Windows.Forms.LinkArea(0, 0)
       Me.lnkBuy.Location = New System.Drawing.Point(16, 60)
       Me.lnkBuy.Name = "lnkBuy"
       Me.lnkBuy.Size = New System.Drawing.Size(244, 48)
       Me.lnkBuy.TabIndex = 3
       Me.lnkBuy.Text = "www.vbex.ru"
       "
       "lnkWebSite
       "
       Me.lnkWebSite.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
       Me.lnkWebSite.LinkArea = New System.Windows.Forms.LinkArea(0, 0)
       Me.lnkWebSite.Location = New System.Drawing.Point(16, 16)
       Me.lnkWebSite.Name = "lnkWebSite"
       Me.lnkWebSite.Size = New System.Drawing.Size(248, 36)
       Me.lnkWebSite.TabIndex = 2
       Me.lnkWebSite.Text = "The whole line is a LinkLabel"
       "
       "Form1
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(292, 150)
       Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lnkBuy, Me.lnkWebSite})
       Me.Name = "Form1"
       Me.Text = "Link Examples"
       Me.ResumeLayout(False)
   End Sub
  1. End Region
   Private Sub lnkBuy_LinkClicked(ByVal sender As Object, _
     ByVal e As LinkLabelLinkClickedEventArgs) Handles lnkBuy.LinkClicked, _
     lnkWebSite.LinkClicked
       e.Link.Visited = True
       System.Diagnostics.Process.Start(CType(e.Link.LinkData, String))
   End Sub
   Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
       lnkBuy.Links.Add(0, 2, "http://www.vbex.ru")
       lnkBuy.Links.Add(6, 10, "http://www.vbex.ru")
       lnkWebSite.Links.Add(0, 10, "http://www.vbex.ru")
   End Sub

End Class 

      </source>


Set different URL for one LinkLabel

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

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

End Class

Public Class Form1 

   Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
       Dim new_link As System.Windows.Forms.LinkLabel.Link
       llblPangram.Links.Clear()
       new_link = llblPangram.Links.Add(16, 3)
       new_link.LinkData = "http://www.vbex.ru"
       new_link = llblPangram.Links.Add(40, 3)
       new_link.LinkData = "http://www.vbex.ru"
   End Sub
   " Display the URL associated with the clicked link.
   Private Sub llblPangram_LinkClicked(ByVal sender As System.Object, _
    ByVal e As System.Windows.Forms.LinkLabelLinkClickedEventArgs) _
    Handles llblPangram.LinkClicked
       System.Diagnostics.Process.Start(e.Link.LinkData.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.llblPangram = New System.Windows.Forms.LinkLabel
       Me.SuspendLayout()
       "
       "llblPangram
       "
       Me.llblPangram.Font = New System.Drawing.Font("Microsoft Sans Serif", 10.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
       Me.llblPangram.Location = New System.Drawing.Point(8, 80)
       Me.llblPangram.Name = "llblPangram"
       Me.llblPangram.Size = New System.Drawing.Size(296, 24)
       Me.llblPangram.TabIndex = 1
       Me.llblPangram.TabStop = True
       Me.llblPangram.Text = "The quick brown fox jumps over the lazy dog."
       "
       "Form1
       "
       Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
       Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
       Me.ClientSize = New System.Drawing.Size(325, 181)
       Me.Controls.Add(Me.llblPangram)
       Me.Name = "Form1"
       Me.Text = "UseLinkLabel"
       Me.ResumeLayout(False)
       Me.PerformLayout()
   End Sub
   Friend WithEvents llblPangram As System.Windows.Forms.LinkLabel

End Class 

      </source>


Use LinkLabel and load the link in your system default browser

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

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

End Class

Public Class Form1 

   Private Sub llblBookUrl_LinkClicked(ByVal sender As System.Object, _
    ByVal e As System.Windows.Forms.LinkLabelLinkClickedEventArgs) _
    Handles llblBookUrl.LinkClicked
       System.Diagnostics.Process.Start(llblBookUrl.Tag.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.llblBookUrl = New System.Windows.Forms.LinkLabel
       Me.SuspendLayout()
       "
       "llblBookUrl
       "
       Me.llblBookUrl.AutoSize = True
       Me.llblBookUrl.Font = New System.Drawing.Font("Microsoft Sans Serif", 14.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
       Me.llblBookUrl.Location = New System.Drawing.Point(24, 24)
       Me.llblBookUrl.Name = "llblBookUrl"
       Me.llblBookUrl.Size = New System.Drawing.Size(239, 24)
       Me.llblBookUrl.TabIndex = 0
       Me.llblBookUrl.TabStop = True
       Me.llblBookUrl.Tag = "http://www.java.ru"
       Me.llblBookUrl.Text = "Visit www.vbex.ru!"
       "
       "Form1
       "
       Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
       Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
       Me.ClientSize = New System.Drawing.Size(325, 181)
       Me.Controls.Add(Me.llblBookUrl)
       Me.Name = "Form1"
       Me.Text = "UseLinkLabel"
       Me.ResumeLayout(False)
       Me.PerformLayout()
   End Sub
   Friend WithEvents llblBookUrl As System.Windows.Forms.LinkLabel

End Class 

      </source>


Using LinkLabels to create hyperlinks: browse C:\ drive

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

  Shared Sub Main()
       Dim myform As Form = New FrmLinkLabel()
       Application.Run(myform)
  End Sub " Main

End Class Public Class FrmLinkLabel 

  Inherits Form
  1. 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
  " linklabels to C: drive, www.deitel.ru and Notepad
  Friend WithEvents lnklblCDrive As LinkLabel
  "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.lnklblCDrive = New LinkLabel()
     Me.SuspendLayout()
     "
     "lnklblCDrive
     "
     Me.lnklblCDrive.Location = New System.Drawing.Point(72, 16)
     Me.lnklblCDrive.Name = "lnklblCDrive"
     Me.lnklblCDrive.TabIndex = 0
     Me.lnklblCDrive.TabStop = True
     Me.lnklblCDrive.Text = "Click to browse C:\"
     "
     "FrmLinkLabel
     "
     Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
     Me.ClientSize = New System.Drawing.Size(264, 149)
     Me.Controls.AddRange(New Control() {Me.lnklblCDrive})
     Me.Name = "FrmLinkLabel"
     Me.Text = "LinkLabelTest"
     Me.ResumeLayout(False)
  End Sub
  1. End Region
  " browse C:\ drive
  Private Sub lnklblCDrive_LinkClicked _
     (ByVal sender As System.Object, ByVal e As _
     System.Windows.Forms.LinkLabelLinkClickedEventArgs) _
     Handles lnklblCDrive.LinkClicked
     lnklblCDrive.LinkVisited = True
     System.Diagnostics.Process.Start("C:\")
  End Sub " lnklblCDrive

End Class 

      </source>


Using LinkLabels to create hyperlinks: Open Browser

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

  Shared Sub Main()
       Dim myform As Form = New FrmLinkLabel()
       Application.Run(myform)
  End Sub " Main

End Class Public Class FrmLinkLabel 

  Inherits Form
  1. 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
  " linklabels to C: drive, www.deitel.ru and Notepad
  Friend WithEvents linkLabel As LinkLabel
  "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.linkLabel = New LinkLabel()
     Me.SuspendLayout()
     "
     "linkLabel
     "
     Me.linkLabel.Location = New System.Drawing.Point(72, 16)
     Me.linkLabel.Name = "linkLabel"
     Me.linkLabel.TabIndex = 0
     Me.linkLabel.TabStop = True
     Me.linkLabel.Text = "http://www.vbex.ru"
     "
     "FrmLinkLabel
     "
     Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
     Me.ClientSize = New System.Drawing.Size(364, 149)
     Me.Controls.AddRange(New Control() {Me.linkLabel})
     Me.Name = "FrmLinkLabel"
     Me.Text = "LinkLabelTest"
     Me.ResumeLayout(False)
  End Sub
  1. End Region
  " browse C:\ drive
  Private Sub linkLabel_LinkClicked _
     (ByVal sender As System.Object, ByVal e As _
     System.Windows.Forms.LinkLabelLinkClickedEventArgs) _
     Handles linkLabel.LinkClicked
     linkLabel.LinkVisited = True
     System.Diagnostics.Process.Start _
        ("IExplore", "http://www.vbex.ru")
  End Sub " linkLabel

End Class 

      </source>


Using LinkLabels to create hyperlinks: Open Notepad

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

  Shared Sub Main()
       Dim myform As Form = New FrmLinkLabel()
       Application.Run(myform)
  End Sub " Main

End Class Public Class FrmLinkLabel 

  Inherits Form
  1. 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
  " linklabels to C: drive, www.deitel.ru and Notepad
  Friend WithEvents linkLabel As LinkLabel
  "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.linkLabel = New LinkLabel()
     Me.SuspendLayout()
     "
     "linkLabel
     "
     Me.linkLabel.Location = New System.Drawing.Point(72, 16)
     Me.linkLabel.Name = "linkLabel"
     Me.linkLabel.TabIndex = 0
     Me.linkLabel.TabStop = True
     Me.linkLabel.Text = "Open Notepad"
     "
     "FrmLinkLabel
     "
     Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
     Me.ClientSize = New System.Drawing.Size(364, 149)
     Me.Controls.AddRange(New Control() {Me.linkLabel})
     Me.Name = "FrmLinkLabel"
     Me.Text = "LinkLabelTest"
     Me.ResumeLayout(False)
  End Sub
  1. End Region
  " browse C:\ drive
  Private Sub linkLabel_LinkClicked _
     (ByVal sender As System.Object, ByVal e As _
     System.Windows.Forms.LinkLabelLinkClickedEventArgs) _
     Handles linkLabel.LinkClicked
     linkLabel.LinkVisited = True
     System.Diagnostics.Process.Start("notepad")
 End Sub " linkLabel

End Class 

      </source>
Источник — «http://vbex.ru/index.php?title=VB.Net/GUI/LinkLabel&oldid=501»