使用directoryinfo

DirectoryInfo dir =新的DirectoryInfo

如何在我的代码中使用DirectoryInfo dir = new DirectoryInfo我的意思是说我拥有哪个类，包括

我在代码中使用这里，但这是错误

我必须包括的内容

DirectoryInfo dir = new DirectoryInfo

how to use DirectoryInfo dir = new DirectoryInfo in my code i means to say which class i have ti include

i am using here in my code but here is the error

what i have to include

private void Form2_Load(object sender, EventArgs e)
        {
                DirectoryInfo dir = new DirectoryInfo("@C:\\image1");

                foreach (FileInfo file in dir.GetFiles())
                {

                    try
                    {

                        this.imageList1.Images.Add(Image.FromFile(file.FullName));

                    }

                    catch
                    {

                        Console.WriteLine("This is not an image file");

                    }

                }

                this.listView1.View = View.LargeIcon;

                this.imageList1.ImageSize = new Size(32, 32);

                this.listView1.LargeImageList = this.imageList1;

                //or 

                //this.listView1.View = View.SmallIcon;

                //this.listView1.SmallImageList = this.imageList1;



                for (int j = 0; j < this.imageList1.Images.Count; j  )
                {

                    ListViewItem item = new ListViewItem();

                    item.ImageIndex = j;

                    this.listView1.Items.Add(item);

                }

            }