'删除用户临时文件夹下所有文件
For Each foundFile As String In My.Computer.FileSystem.GetFiles(My.Computer.FileSystem.SpecialDirectories.Temp, FileIO.SearchOption.SearchAllSubDirectories, "*.*") For Each fou
For Each foundFile As String In My.Computer.FileSystem.GetFiles(My.Computer.FileSystem.SpecialDirectories.Temp, FileIO.SearchOption.SearchAllSubDirectories, "*.*") For Each fou