这个例子是从 水如烟的例子 修改过来的。如有不妥之处还请大家指正批评。


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

#Region " Windows 窗体设计器生成的代码 "
Public Sub New()

MyBase.New()

'该调用是 Windows 窗体设计器所必需的。
InitializeComponent()

'在 InitializeComponent() 调用之后添加任何初始化

End Sub

'窗体重写 dispose 以清理组件列表。

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

'Windows 窗体设计器所必需的
Private components As System.ComponentModel.IContainer

'注意: 以下过程是 Windows 窗体设计器所必需的
'可以使用 Windows 窗体设计器修改此过程。
'不要使用代码编辑器修改它。

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