c# 读取文件目录下的信息

private void button1_Click(object sender, System.EventArgs e)
{

//浏览文件夹
this.folderBrowserDialog1.ShowDialog();
if(this.folderBrowserDialog1.SelectedPath.Trim()!=””)
this.textBox1.Text=this.folderBrowserDialog1.SelectedPath.Trim();
}

private void button2_Click(object sender, System.EventArgs e)
{

//显示指定文件夹下的文件
if(this.textBox1.Text.Trim()==””)
return;
this.listBox1.Items.Clear();
string[] MyFiles=System.IO.Directory.GetFiles(this.textBox1.Text);
this.listBox1.Items.AddRange(MyFiles);
//foreach(string File in MyFiles)
// this.listBox1.Items.Add(File);