模拟鼠标中键滚屏.frm

个人VB学习源码精选,自己学习时的一些编程小程序,希望对大家有帮助

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.Timer Timer1 
      Enabled         =   0   'False
      Interval        =   3000
      Left            =   1755
      Top             =   1350
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Declare Sub mouse_event Lib "user32" (ByVal dwFlags As Long, ByVal dx As Long, ByVal dy As Long, ByVal cButtons As Long, ByVal dwExtraInfo As Long)
Private Const MOUSEEVENTF_MIDDLEDOWN = &H20
Private Const MOUSEEVENTF_MIDDLEUP = &H40

Private Sub Form_MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)
    Select Case Button
        Case 1
            Timer1.Enabled = True
        Case 2
            End
    End Select
End Sub

Private Sub Timer1_Timer()
    Timer1.Enabled = False
    mouse_event MOUSEEVENTF_MIDDLEDOWN, 0, 0, 0, 0
    mouse_event MOUSEEVENTF_MIDDLEUP, 0, 0, 0, 0
End Sub