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

Public Declare Function DeleteUrlCacheEntry Lib "wininet" Alias "DeleteUrlCacheEntryA" (ByVal lpszUrlName As String) As Long

Sub DownloadImage(ByVal ImageUrl As String, ByVal ImagePath As String)

    Dim lngRetVal As Long

    lngRetVal = URLDownloadToFile(0, ImageUrl, ImagePath, 0, 0)

    If lngRetVal = 0 Then

        DeleteUrlCacheEntry ImageUrl  '清除缓存

        'MsgBox "成功"

    Else

        'MsgBox "失败"

    End If

End Sub