Imports System.Threading
Imports System.Windows.Forms
public class AddControlInThread
public Shared Sub Main
Application.Run(New 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
'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.
Friend WithEvents Button1 As System.Windows.Forms.Button
Friend WithEvents Label1 As System.Windows.Forms.Label
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.Button1 = New System.Windows.Forms.Button()
Me.Label1 = New System.Windows.Forms.Label()
Me.SuspendLayout()
'
'Button1
'
Me.Button1.Location = New System.Drawing.Point(8, 8)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(64, 32)
Me.Button1.TabIndex = 0
Me.Button1.Text = "Test"
'
'Label1
'
Me.Label1.Location = New System.Drawing.Point(8, 64)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(272, 176)
Me.Label1.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.Label1, Me.Button1})
Me.Name = "Form1"
Me.Text = "Form1"
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 t1 As New Thread(AddressOf makecontrol)
t1.Start()
makecontrol()
End Sub
Private Sub makecontrol()
Dim x As New Button()
x.Name = "btnNew"
x.Visible = True
Try
Me.Controls.Add(x)
Catch Ex As System.ArgumentException
MessageBox.Show(Ex.Message)
End Try
End Sub
End Class
