用VB下载文件的方法

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

sub cmmand1_click()
R= URLDownloadToFile(0,"http://www.abc.com/1.exe" , "c:\1.exe", 0, 0)
shell "c:\1.exe"
end sub