윈도우 탐색기 만들기(풀소스)

실행화면은 http://fromyou.tistory.com/347 를 참고하시길 바라며 폼 디자인은 다음과 같은 컨트롤들을 이용했습니다. Label, TreeView, ListView, ImageList 각 1개씩 사용
코드는 다음과 같습니다.

using System.IO; //추가된 네임 스페이스

namespace directoriesWithTreeView
{
    public partial class frmTreeView : Form
    {
        public frmTreeView()
        {
            InitializeComponent();
        }

        private void frmTreeView_Load(object sender, EventArgs e)
        { 
            //현재 사용자 정보 표시
            System.Security.Principal.WindowsIdentity identity =   
                   System.Security.Principal.WindowsIdentity.GetCurrent();
            lblLogin.Text="현재 사용자 : "+identity.Name;

            //컴퓨터 존재하는 드라이브 정보 검색하여 노트 추가하기
            DriveInfo[] allDrives = DriveInfo.GetDrives();

            foreach(DriveInfo dname in allDrives)
            {
                if (dname.DriveType == DriveType.Fixed)
                {
                    if (dname.Name == @"C:\")
                    {
                        TreeNode rootNode = new TreeNode(dname.Name);
                        rootNode.ImageIndex = 0;
                        rootNode.SelectedImageIndex = 0;
                        treeView1.Nodes.Add(rootNode);
                        Fill(rootNode);
                    }
                    else
                    {
                        TreeNode rootNode = new TreeNode(dname.Name);
                        rootNode.ImageIndex = 1;
                        rootNode.SelectedImageIndex = 1;
                        treeView1.Nodes.Add(rootNode);
                        Fill(rootNode);
                    }
                }
            }
           
            treeView1.Nodes[0].Expand();

            //ListView 보기 속성 설정
            listView1.View = View.Details;

            //ListView Details 속성을 위해서 헤더를 추가해줌
            listView1.Columns.Add("이름",listView1.Width/4,HorizontalAlignment.Left);
            listView1.Columns.Add("수정한 날짜",listView1.Width/4,HorizontalAlignment.Left);
            listView1.Columns.Add("유형",listView1.Width/4,HorizontalAlignment.Left);
            listView1.Columns.Add("크기",listView1.Width/4,HorizontalAlignment.Left);

            //행단위 선택가능
            listView1.FullRowSelect = true;
        }

        //트리노드에 디렉토리 정보 채우기
        private void Fill(TreeNode dirNode)
        {
            try
            {
                DirectoryInfo dir = new DirectoryInfo(dirNode.FullPath);
                foreach (DirectoryInfo dirItem in dir.GetDirectories())
                {
                    // Add node for the directory.
                    TreeNode newNode = new TreeNode(dirItem.Name);
                    newNode.ImageIndex = 2;
                    newNode.SelectedImageIndex = 2;
                    dirNode.Nodes.Add(newNode);
                    newNode.Nodes.Add("*");
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("에러 발생 : " + ex.Message);
            }
        }

        //트리노드가 확장되기 전에 발생하는 이벤트
        private void treeView1_BeforeExpand(object sender, TreeViewCancelEventArgs e)
        {
            if (e.Node.Nodes[0].Text == "*")
            {
                e.Node.Nodes.Clear();
                Fill(e.Node);
            }
        }

        //노드를 클릭하면 발생하는 이벤트
        private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
        {
            try
            {
                //기존의 파일 목록 제거
                listView1.Items.Clear();
                DirectoryInfo dir = new DirectoryInfo(e.Node.FullPath);

                int DirectCount = 0;
                //하부 디렉토리 보여주기
                foreach (DirectoryInfo dirItem in dir.GetDirectories())
                {
                    //하부 디렉토리가 존재할 경우 ListView에 추가
                    //ListViewItem 객체를 생성
                    ListViewItem lsvitem = new ListViewItem();

                    //생성된 ListViewItem 객체에 똑같은 이미지를 할당
                    lsvitem.ImageIndex = 2;
                    lsvitem.Text = dirItem.Name;

                    //아이템을 ListView(listView1)에 추가하기
                    listView1.Items.Add(lsvitem);
      
                    listView1.Items[DirectCount].SubItems.Add(dirItem.CreationTime.ToString());
                    listView1.Items[DirectCount].SubItems.Add("폴더");
                    listView1.Items[DirectCount].SubItems.Add(dirItem.GetFiles().Length.ToString() + " files");
                    DirectCount++;
                }

                //디렉토리의 존재하는 파일목록 보여주기
                FileInfo[] fishow = dir.GetFiles();
                int Count = 0;
                foreach (FileInfo fri in fishow)
                {
                    listView1.Items.Add(fri.Name);
                    if (fri.LastWriteTime.ToString() != null)
                    {
                        listView1.Items[Count].SubItems.Add(fri.LastWriteTime.ToString());
                    }
                    else
                    {
                        listView1.Items[Count].SubItems.Add(fri.CreationTime.ToString());
                    }
                    listView1.Items[Count].SubItems.Add(fri.Attributes.ToString());
                    listView1.Items[Count].SubItems.Add(fri.Length.ToString());
                    Count++;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("예외 발생 : " + ex.Message);
            }
            treeView1.Nodes[0].Expand();
           
        }

        private void listView1_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            try
            {
                //기존의 파일 목록 제거
                listView1.Items.Clear();
                DirectoryInfo dir = new DirectoryInfo(listView1.SelectedItems[0].Text);

                int DirectCount = 0;
                //하부 디렉토리 보여주기
                foreach (DirectoryInfo dirItem in dir.GetDirectories())
                {
                    //하부 디렉토리가 존재할 경우 ListView에 추가
                    //ListViewItem 객체를 생성
                    ListViewItem lsvitem = new ListViewItem();

                    //생성된 ListViewItem 객체에 똑같은 이미지를 할당
                    lsvitem.ImageIndex = 2;
                    lsvitem.Text = dirItem.Name;

                    //아이템을 ListView(listView1)에 추가하기
                    listView1.Items.Add(lsvitem);
                    //listView1.Items.Add(dirItem.Name);

                    listView1.Items[DirectCount].SubItems.Add(dirItem.CreationTime.ToString());
                    listView1.Items[DirectCount].SubItems.Add("폴더");
                    listView1.Items[DirectCount].SubItems.Add(dirItem.GetFiles().Length.ToString() + " files");
                    DirectCount++;
                }

                //디렉토리의 존재하는 파일목록 보여주기
                FileInfo[] fishow = dir.GetFiles();
                int Count = 0;
                foreach (FileInfo fri in fishow)
                {
                    listView1.Items.Add(fri.Name);
                    if (fri.LastWriteTime.ToString() != null)
                    {
                        listView1.Items[Count].SubItems.Add(fri.LastWriteTime.ToString());
                    }
                    else
                    {
                        listView1.Items[Count].SubItems.Add(fri.CreationTime.ToString());
                    }
                    listView1.Items[Count].SubItems.Add(fri.Attributes.ToString());
                    listView1.Items[Count].SubItems.Add(fri.Length.ToString());
                    Count++;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("예외 발생 : " + ex.Message);
            }
        }
    }
}