In the code below taken from an example on MSDN. I noticed the use of <STAThread()> on the Sub Main statement.
Pressing F1 gave me an explanation which gave me little.
Anyone know the purpose of this addition?
'//------------------------------------------------------------------------------
'/// <copyright from='1997' to='2001' company='Microsoft Corporation'>
'/// Copyright (c) Microsoft Corporation. All Rights Reserved.
'///
'/// This source code is intended only as a supplement to Microsoft
'/// Development Tools and/or on-line documentation. See these other
'/// materials for detailed information regarding Microsoft code samples.
'///
'/// </copyright>
'//------------------------------------------------------------------------------
Imports System
Imports System.ComponentModel
Imports System.Drawing
Imports System.Windows.Forms
Namespace Microsoft.Samples.WinForms.
VB.Accessible
Public Class Accessible
Inherits System.Windows.Forms.Form
'The main entry point for the application
<STAThread()> Shared Sub Main()
Application.Run(New Accessible)
End Sub
Public Sub New()
MyBase.New()
Accessible = Me
'This call is required by the Windows Forms Designer.
InitializeComponent()
'Set the minimum form size to the client size + the height of the title bar
Me.MinimumSize = New Size(392, (117 + SystemInformation.CaptionHeight))
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
#Region " Windows Form Designer generated code "
'Required by the Windows Forms Designer
Private components As System.ComponentModel.Container
Private WithEvents button1 As System.Windows.Forms.Button
Private WithEvents textBox1 As System.Windows.Forms.TextBox
Private WithEvents Accessible As System.Windows.Forms.Form
'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.
Private Sub InitializeComponent()
Me.components = New System.ComponentModel.Container
Me.button1 = New System.Windows.Forms.Button
Me.textBox1 = New System.Windows.Forms.TextBox
Me.Text = "Accessibility"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.AccessibleRole = System.Windows.Forms.AccessibleRole.Window
Me.AccessibleName = "AccessibleForm"
Me.AcceptButton = button1
Me.AccessibleDescription = "Simple Form that demonstrates accessibility"
Me.ClientSize = New System.Drawing.Size(392, 117)
button1.AccessibleDescription = "Once you've entered some text push this button"
button1.Size = New System.Drawing.Size(120, 40)
button1.TabIndex = 1
button1.Anchor = AnchorStyles.Bottom Or AnchorStyles.Right
button1.Location = New System.Drawing.Point(248, 64)
button1.Text = "Click Me!"
button1.AccessibleName = "DefaultAction"
textBox1.Location = New System.Drawing.Point(16, 24)
textBox1.Text = "Hello WinForms World"
textBox1.AccessibleName = "TextEntryField"
textBox1.TabIndex = 0
textBox1.AccessibleDescription = "Please enter some text in the box"
textBox1.Anchor = CType(15, System.Windows.Forms.AnchorStyles)
textBox1.Size = New System.Drawing.Size(360, 20)
Me.Controls.Add(textBox1)
Me.Controls.Add(button1)
End Sub
#End Region
Protected Sub button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button1.Click
MessageBox.Show("Text is: '" + textBox1.Text + "'")
End Sub
End Class
End Namespace
Use of <STAThread()>
