C# OpenFileDialog控件

    string add;    //实例化控件    OpenFileDialog openFileDialog = new OpenFileDialog();    //默认路径    openFileDialog.InitialDirectory = "e:\\";//注意这里写路径时要用c:\\而不是c:\    //文件类型过滤器    openFileDialog.Filter = "文本文件|*.*|C#文件|*.cs|所有文件|*.*";    openFileDialog.RestoreDirectory = true;    openFileDialog.FilterIndex = 1;    if (openFileDialog.ShowDialog() == DialogResult.OK)    {        //获取得到的路径        add = openFileDialog.FileName;    }