ListView顯示本機文件夾及文件

1. 從工具欄中拉兩個Imagelist控件,分別命名為ilLarge,ilSmall,分別添加兩個圖片以顯示文件的圖標, 屬性Size分別設置為(16,16),(32,32).   ListView屬性

LagerLmageList=ilLagrge,SmallImageList=ilsmall

2. 再拉一個ContextMenuStrip控件,以選擇ListView.View

 public partial class ListView : Form
    ...{
        System.Collections.Specialized.StringCollection foldCol;
        public ListView()
        ...{
            InitializeComponent();

            foreach (string drive in Directory.GetLogicalDrives())
            ...{
                Filelist.Items.Add(drive);
            }
            foldCol = new System.Collections.Specialized.StringCollection();
            createHeadersAndFillListView();
            PaintListView(@""+Filelist.Items[0].ToString()+"");
            foldCol.Add(@"" + Filelist.Items[0].ToString() + "");
            FileView.ItemActivate += new EventHandler(FileView_ItemActivate);
            Filelist.DoubleClick += new EventHandler(Filelist_DoubleClick);
        }

        void Filelist_DoubleClick(object sender, EventArgs e)
        ...{
            ListBox list = (ListBox)sender;
            string Filename = (string)list.SelectedItem;
            PaintListView(@"" + Filename + "");
            foldCol.Add(@"" + Filename + "");
        }

        void FileView_ItemActivate(object sender, EventArgs e)
        ...{
            System.Windows.Forms.ListView lw=(System.Windows.Forms.ListView)sender;
            string filename = lw.SelectedItems[0].Tag.ToString();
            if (lw.SelectedItems[0].ImageIndex != 0)
            ...{
                try
                ...{
                    System.Diagnostics.Process.Start(filename);
                }
                catch
                ...{
                    return;
                }
            }
            else
            ...{
                PaintListView(filename);
                foldCol.Add(filename);
            }
        }

        void createHeadersAndFillListView()
        ...{
            ColumnHeader colHead;
            colHead = new ColumnHeader();
            colHead.Text = "Filename";
            FileView.Columns.Add(colHead);

            colHead = new ColumnHeader();
            colHead.Text = "Size";
            FileView.Columns.Add(colHead);

            colHead = new ColumnHeader();
            colHead.Text = "Last accessed";
            FileView.Columns.Add(colHead);
        }
        void PaintListView(string root)
        ...{
            try
            ...{
                ListViewItem lvi;
                ListViewItem.ListViewSubItem lvsi;

                if (root.CompareTo("") == 0)
                    return;
                DirectoryInfo dir = new DirectoryInfo(root);
                DirectoryInfo[] dirs = dir.GetDirectories();
                FileInfo[] files = dir.GetFiles();

                FileView.Items.Clear();
                labPathName.Text = root;
                FileView.BeginUpdate();

                foreach (DirectoryInfo di in dirs)
                ...{
                    lvi = new ListViewItem();
                    lvi.Text = di.Name;
                    lvi.ImageIndex = 0;
                    lvi.Tag = di.FullName;

                    lvsi = new ListViewItem.ListViewSubItem();
                    lvsi.Text = "";

                    lvi.SubItems.Add(lvsi);

                    lvsi = new ListViewItem.ListViewSubItem();
                    lvsi.Text = di.LastAccessTime.ToString();
                    lvi.SubItems.Add(lvsi);

                    FileView.Items.Add(lvi);
                }

                foreach (FileInfo fi in files)
                ...{
                    lvi = new ListViewItem();
                    lvi.Text = fi.Name;
                    lvi.ImageIndex = 1;
                    lvi.Tag = fi.FullName;

                    lvsi = new ListViewItem.ListViewSubItem();
                    lvsi.Text = fi.Length.ToString();
                    lvi.SubItems.Add(lvsi);

                    FileView.Items.Add(lvi);
                }
                FileView.EndUpdate();
            }
            catch (Exception err) ...{ MessageBox.Show("Error:" + err.Message); }
        }

        private void btnpicture_Click(object sender, EventArgs e)
        ...{
            if (foldCol.Count > 1)
            ...{
                PaintListView(foldCol[foldCol.Count-2].ToString());
                foldCol.RemoveAt(foldCol.Count - 1);
            }
            else ...{ PaintListView(foldCol[0].ToString()); }
        }

        private void itemLargeIcon_Click(object sender, EventArgs e)
        ...{
            FileView.View = View.LargeIcon;
        }

        private void itemList_Click(object sender, EventArgs e)
        ...{
            FileView.View = View.List;
        }

        private void itemSmallIcon_Click(object sender, EventArgs e)
        ...{
            FileView.View = View.SmallIcon;
        }

        private void itemDetails_Click(object sender, EventArgs e)
        ...{
            FileView.View = View.Details;
        }
    }

運行效果圖