C# winfrom遍历指定目录下的所有文件，并删除指定文件

看着那些人写的都是些只能得到指定目录下的文件信息，觉得没什么用处，自己写了个，我写的可以得到整个D盘下的所有文件信息。 

 private void button2_Click(object sender, EventArgs e)
        {
            this.listBox1.Items.Add("D:\\");
            for (int i = 0; i < listBox1.Items.Count; i++)
            {

                DirectoryInfo TheFolder = new DirectoryInfo(listBox1.Items[i].ToString());

                try
                {
                    foreach (DirectoryInfo NextFolder in TheFolder.GetDirectories())
                    {
                        try