主题：点击备份、恢复后，出现如下提示见图：

备份

Dim dlg As new SaveFileDialog
dlg.Filter = "压缩文件|*.zip"
dlg.FileName = format(Date.now, "yyyyMMddHHmmss") & ".zip"
If dlg.ShowDialog = DialogResult.OK Then
    FileSys.CopyDirectory(ProjectPath, "d:\test")
    Dim zip As New zipFile
    zip.Create(dlg.FileName)
    zip.AddFolder("d:\test")
    zip.Close()
End If

还原

Dim dlg As new OpenFileDialog
dlg.Filter = "压缩文件|*.zip"
If dlg.ShowDialog = DialogResult.OK Then
    Dim zip As New zipFile
    zip.Open(dlg.FileName)
    zip.ExtractAll(ProjectPath)
    zip.Close()
    msgbox("已恢复")
    'Application.restart
End If