小型资源管理器

  public class MyFile
    {//文件长度
        private float fileLength;

        public float FileLength
        {
            get { return fileLength; }
            set { fileLength = value; }
        }
        //文件名
        private string filrName;

        public string FilrName
        {
            get { return filrName; }
            set { filrName = value; }
        }
        //文件路径
        private string filePath;

        public string FilePath
        {
            get { return filePath; }
            set { filePath = value; }
        }
        //文件类型
        private string fileType;

        public string FileType
        {
            get { return fileType; }
            set { fileType = value; }
        }
    }

 private void Form1_Load(object sender, EventArgs e)
        {
            //添加根节点
            TreeNode nodeRoot = new TreeNode();
            nodeRoot.Text = "D://";
            nodeRoot.Tag = "D://";
            tvDirectory.Nodes.Add(nodeRoot);
        }
       

        private void BindInfo(TreeNode node)
        {
            throw new NotImplementedException();
        }

       

        private void tsmiCopy_Click(object sender, EventArgs e)
        {
            if (lvFile.SelectedItems.Count > 0)
            {
                //浏览文件夹中的对话框
                FolderBrowserDialog fbd = new FolderBrowserDialog();
                DialogResult result = fbd.ShowDialog();
                //判断用户是否点了确定
                if (result == DialogResult.OK)
                {
                    string path1 = lvFile.SelectedItems[0].SubItems[3].Text;
                    string path = fbd.SelectedPath + "//" + lvFile.SelectedItems[0].Text;//文件夹+文件名
                    File.Copy(path1, path, true);//复制文件
                    MessageBox.Show("文件复制成功");
                }
            }
            else
            {
                MessageBox.Show("请选择要复制的文件");
            }
        }

      
        private void tvDirectory_AfterSelect(object sender, TreeViewEventArgs e)
        {
            TreeNode node = tvDirectory.SelectedNode;
            string tag = node.Tag.ToString();
            //创建目录对象
            DirectoryInfo di = new DirectoryInfo(tag);
            DirectoryInfo[] dirs = di.GetDirectories();
            node.Nodes.Clear();
            //循环绑定数据到TreeView中
            foreach (DirectoryInfo d in dirs)
            {
                TreeNode node2 = new TreeNode();
                node2.Text = d.Name;
                node2.Tag = d.FullName;
                node.Nodes.Add(node2);//把节点添加到当前选中的节点
            }
            //得到当前目录下的子文件
            FileInfo[] files = di.GetFiles();
            //清空原有数据
            lvFile.Items.Clear();
            //循环绑定数据到ListView中
            foreach (FileInfo fi in files)
            {
                ListViewItem lvi = new ListViewItem();
                lvi.Text = fi.Name;//文件名
                lvi.SubItems.Add(fi.Extension.Substring(1));//类型
                lvi.SubItems.Add((fi.Length / 1024.0).ToString());//大小
                lvi.SubItems.Add(fi.FullName);//完整路径
                lvFile.Items.Add(lvi);
            }

        }

        private void lvFile_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (lvFile.SelectedItems.Count > 0)
            {
                DialogResult result = MessageBox.Show("确定要删除嘛", "提示",
                  MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
                if (result == DialogResult.OK)
                {
                    string path = lvFile.SelectedItems[0].SubItems[3].Text;
                    File.Delete(path);//删除文件
                    MessageBox.Show("删除成功");
                }
            }
            else
            {
                MessageBox.Show("请选择删除的文件");
            }
        }