form1.frm

本文件包含200个visual baisc实例

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "隐藏、显示桌面"
   ClientHeight    =   2760
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4710
   LinkTopic       =   "Form1"
   ScaleHeight     =   2760
   ScaleWidth      =   4710
   StartUpPosition =   1  '所有者中心
   Begin VB.CommandButton Command3 
      Caption         =   "退出"
      Height          =   600
      Left            =   1020
      TabIndex        =   2
      Top             =   1890
      Width           =   2760
   End
   Begin VB.CommandButton Command2 
      Caption         =   "显示桌面"
      Height          =   600
      Left            =   1020
      TabIndex        =   1
      Top             =   1095
      Width           =   2760
   End
   Begin VB.CommandButton Command1 
      Caption         =   "隐藏桌面"
      Height          =   615
      Left            =   1020
      TabIndex        =   0
      Top             =   285
      Width           =   2775
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
 Option Explicit
 Const REG_BINARY As Long = 3
 Const HKEY_CURRENT_USER = &H80000001
Private Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long
Private Declare Function RegDeleteValue& Lib "advapi32.dll" Alias "RegDeleteValueA" _
    (ByVal hKey As Long, ByVal lpValueName As String)
Private Declare Function RegCreateKey Lib "advapi32.dll" Alias "RegCreateKeyA" _
    (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Private Declare Function RegSetValueEx Lib "advapi32.dll" Alias "RegSetValueExA" _
    (ByVal hKey As Long, ByVal lpValueName As String, ByVal Reserved As Long, _
    ByVal dwType As Long, lpData As Any, ByVal cbData As Long) As Long

Private Sub Command1_Click()
  Dim hKey As Long
  Dim bArr(0 To 4) As Byte
  RegCreateKey HKEY_CURRENT_USER, _
  "Software\Microsoft\Windows\CurrentVersion\Policies\Explorer", hKey
  bArr(0) = &H1
  RegSetValueEx hKey, "nodesktop", 0, REG_BINARY, bArr(0), 4
  RegCloseKey hKey
End Sub

Private Sub Command2_Click()
  Dim hKey As Long
  Dim bArr(0 To 4) As Byte
  RegCreateKey HKEY_CURRENT_USER, _
  "Software\Microsoft\Windows\CurrentVersion\Policies\Explorer", hKey
  RegDeleteValue hKey, "nodesktop"
  RegCloseKey hKey
End Sub

Private Sub Command3_Click()
  End
End Sub