private void button2_Click(object sender, EventArgs e)
{
IndexOpen open = new IndexOpen(this.comboBox1.Text, false);
Console.WriteLine(110);
if (open.IndexExists()) {
bool isOpend = open.Open();
if (isOpend) {
CurrentIndex.SetCurrentOpendIndex(open);
this.Close();
this.DialogResult = DialogResult.OK;
} else {
MessageHelper.ShowErrorMessage("打开索引文件失败，有可能是索引文件损坏引起。");
}
} else {
MessageHelper.ShowErrorMessage("索引文件不存在！");
}
}
