Implementation of doscommands in vb.net windows Forms

Imports System. Threading
Imports System. Runtime. CompilerServices
Public Class frmCmdExcute
Inherits System. Windows. Forms. Form

# Region "code generated by Windows Form Designer"
Public Sub New ()

MyBase. New ()

This call is required by the Windows Form Designer.
InitializeComponent ()

Add any initialization after InitializeComponent () is called

End Sub

Form override dispose to clear 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 Forms designer
You can use the Windows Form Designer to modify this process.
Do not use the code editor to modify it.

Friend WithEvents tbResult As System. Windows. Forms. TextBox
Friend WithEvents Panel1 As System. Windows. Forms. Panel
Friend WithEvents btnExcute As System. Windows. Forms. Button
Friend WithEvents Label1 As System. Windows. Forms. Label
Friend WithEvents btClear As System. Windows. Forms. Button
Friend WithEvents tbComText As System. Windows. Forms. ComboBox
<System. Diagnostics. DebuggerStepThrough ()> Private Sub InitializeComponent ()
Me. tbResult = New System. Windows. Forms. TextBox
Me. Panel1 = New System. Windows. Forms. Panel
Me. tbComText = New System. Windows. Forms. ComboBox
Me. btClear = New System. Windows. Forms. Button
Me. Label1 = New System. Windows. Forms. Label
Me. btnExcute = New System. Windows. Forms. Button
Me. Panel1.SuspendLayout ()
Me. SuspendLayout ()

TbResult

Me. tbResult. Anchor = CType (System. Windows. Forms. AnchorStyles. Top Or System. Windows. Forms. AnchorStyles. Bottom )_
Or System. Windows. Forms. AnchorStyles. Left )_
Or System. Windows. Forms. AnchorStyles. Right), System. Windows. Forms. AnchorStyles)
Me. tbResult. BackColor = System. Drawing. SystemColors. Info
Me. tbResult. BorderStyle = System. Windows. Forms. BorderStyle. FixedSingle
Me. tbResult. Location = New System. Drawing. Point (8, 8)
Me. tbResult. Multiline = True
Me. tbResult. Name = "tbResult"
Me. tbResult. ScrollBars = System. Windows. Forms. ScrollBars. Both
Me. tbResult. Size = New System. Drawing. Size (584,304)
Me. tbResult. TabIndex = 0
Me. tbResult. Text = ""

Panel1

Me. Panel1.Anchor = CType (System. Windows. Forms. AnchorStyles. Bottom Or System. Windows. Forms. AnchorStyles. Right), System. Windows. Forms. AnchorStyles)
Me. Panel1.Controls. Add (Me. tbComText)
Me. Panel1.Controls. Add (Me. btClear)
Me. Panel1.Controls. Add (Me. Label1)
Me. Panel1.Controls. Add (Me. btnExcute)
Me. Panel1.Location = New System. Drawing. Point (8,320)
Me. Panel1.Name = "Panel1"
Me. Panel1.Size = New System. Drawing. Size (584, 40)
Me. Panel1.TabIndex = 1

TbComText

Me. tbComText. Location = New System. Drawing. Point (224, 8)
Me. tbComText. Name = "tbComText"
Me. tbComText. Size = New System. Drawing. Size (224, 20)
Me. tbComText. TabIndex = 5
Me. tbComText. Text = "Dir"

BtClear

Me. btClear. FlatStyle = System. Windows. Forms. FlatStyle. Flat
Me. btClear. Location = New System. Drawing. Point (40, 8)
Me. btClear. Name = "btClear"
Me. btClear. Size = New System. Drawing. Size (80, 24)
Me. btClear. TabIndex = 3
Me. btClear. Text = "clear (& C )"

Label1

Me. Label1.Location = New System. Drawing. Point (160, 8)
Me. Label1.Name = "Label1"
Me. Label1.Size = New System. Drawing. Size (48, 16)
Me. Label1.TabIndex = 2
Me. Label1.Text = "command :"

BtnExcute

Me. btnExcute. FlatStyle = System. Windows. Forms. FlatStyle. Flat
Me. btnExcute. Location = New System. Drawing. Point (472, 8)
Me. btnExcute. Name = "btnExcute"
Me. btnExcute. Size = New System. Drawing. Size (80, 24)
Me. btnExcute. TabIndex = 1
Me. btnExcute. Text = "execution (& E )"
&