Use HelpProvider to launch a web page : HelpProvider « GUI « VB.Net Tutorial






Use HelpProvider to launch a web page
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class HelpProviderWebPage
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class

<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form

    'Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected 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.ComponentModel.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.Button1 = New System.Windows.Forms.Button
        Me.HelpProvider1 = New System.Windows.Forms.HelpProvider
        Me.Button2 = New System.Windows.Forms.Button
        Me.CheckBox1 = New System.Windows.Forms.CheckBox
        Me.CheckBox2 = New System.Windows.Forms.CheckBox
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.HelpProvider1.SetHelpString(Me.Button1, "This is a button.")
        Me.Button1.Location = New System.Drawing.Point(112, 72)
        Me.Button1.Name = "Button1"
        Me.HelpProvider1.SetShowHelp(Me.Button1, True)
        Me.Button1.Size = New System.Drawing.Size(80, 24)
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "OK"
        Me.Button1.UseVisualStyleBackColor = True
        '
        'HelpProvider1
        '
        Me.HelpProvider1.HelpNamespace = "http://www.java2s.com"
        '
        'Button2
        '
        Me.HelpProvider1.SetHelpString(Me.Button2, "This is a button.")
        Me.Button2.Location = New System.Drawing.Point(200, 72)
        Me.Button2.Name = "Button2"
        Me.HelpProvider1.SetShowHelp(Me.Button2, True)
        Me.Button2.Size = New System.Drawing.Size(80, 24)
        Me.Button2.TabIndex = 1
        Me.Button2.Text = "Cancel"
        Me.Button2.UseVisualStyleBackColor = True
        '
        'CheckBox1
        '
        Me.CheckBox1.AutoSize = True
        Me.CheckBox1.Location = New System.Drawing.Point(8, 16)
        Me.CheckBox1.Name = "CheckBox1"
        Me.HelpProvider1.SetShowHelp(Me.CheckBox1, True)
        Me.CheckBox1.Size = New System.Drawing.Size(270, 17)
        Me.CheckBox1.TabIndex = 3
        Me.CheckBox1.Text = "Start application automatically when Windows starts"
        Me.CheckBox1.UseVisualStyleBackColor = True
        '
        'CheckBox2
        '
        Me.CheckBox2.AutoSize = True
        Me.CheckBox2.Location = New System.Drawing.Point(8, 40)
        Me.CheckBox2.Name = "CheckBox2"
        Me.CheckBox2.Size = New System.Drawing.Size(142, 17)
        Me.CheckBox2.TabIndex = 4
        Me.CheckBox2.Text = "Show icon in system tray"
        Me.CheckBox2.UseVisualStyleBackColor = True
        '
        'Form1
        '
        Me.AcceptButton = Me.Button1
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(292, 107)
        Me.Controls.Add(Me.CheckBox2)
        Me.Controls.Add(Me.CheckBox1)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.HelpButton = True
        Me.MaximizeBox = False
        Me.MinimizeBox = False
        Me.Name = "Form1"
        Me.Text = "Application Configuration"
        Me.ResumeLayout(False)
        Me.PerformLayout()

    End Sub
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents HelpProvider1 As System.Windows.Forms.HelpProvider
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents CheckBox1 As System.Windows.Forms.CheckBox
    Friend WithEvents CheckBox2 As System.Windows.Forms.CheckBox

End Class








14.44.HelpProvider
14.44.1.Use Helper provider (press F1 to display the message)Use Helper provider (press F1 to display the message)
14.44.2.Use HelpProvider to launch a web pageUse HelpProvider to launch a web page