| 做的c#資源管理器所用到的一些事件和方法：一些方法需要自己去掌握。比如怎樣把系統定義的 枚舉轉化成自己想要的枚舉類型。怎樣展開節點，怎樣判斷一個文件是不是隱藏文件等等一些很 小的細節需要自己慢慢去積累去學習。下面是個例子幫助自己學習和理解這些小知識。
//遍歷所有的磁盤
??????????? foreach (string log in Directory.GetLogicalDrives())
??????????? {
??????????????? //得到磁盤符的類型
??????????????? DriveInfo dif = new DriveInfo(log); ??????????????? if (dif.DriveType == DriveType.CDRom)//如果為驅動器的設置樹形節點的 圖標
??????????????? {
??????????????????? treeView1.Nodes.Add(log, log, 3, 3);
??????????????? }
??????????????? else
??????????????? {
??????????????????? TreeNode tn = treeView1.Nodes.Add(log, log, 2, 2);//設置如果不是 驅動器的樹形節點的圖標
??????????????????? foreach (string logs in Directory.GetDirectories(log))
??????????????????? {
??????????????????????? DirectoryInfo difs = new DirectoryInfo(logs);
??????????????????????? if (!difs.Attributes.ToString().Contains("Hidden"))//判斷如 果不是隱藏文件
??????????????????????? {
??????????????????????????? tn.Nodes.Add(logs, Path.GetFileName(logs), 0, 1);
??????????????????????? }
??????????????????? } ??????????????? }
??????????? } ??????????? foreach (string view in Enum.GetNames(typeof(ViewCN)))
??????????? {
??????????????? toolStripSplitButton3.DropDownItems.Add(view).Click += ViewClick;// 遍歷所有的枚舉類型把他轉化成我們自定義的類型
??????????? } void ViewClick(object sender, EventArgs e)
??????? {
??????????? listView1.View = (View)(int)((ViewCN)Enum.Parse(typeof(ViewCN), ((ToolStripMenuItem)sender).Text));//把所有的枚舉類型把他轉化成自定義的類型
??????? }
??????? //自定義與系統給定的一致的枚舉類型
??????? enum ViewCN
??????? {
??????????? 大圖標 = 0,
??????????? 詳細列表 = 1,
??????????? 小圖標 = 2,
??????????? 列表 = 3,
??????????? 平鋪 = 4,
??????? }
?//在樹形節點被展開后得到它的文件名稱
??????? private void treeView1_AfterExpand(object sender, TreeViewEventArgs e)
??????? {
??????????? toolStripComboBox1.Text = e.Node.Name;
??????????? foreach (TreeNode tn in e.Node.Nodes)
??????????? {
??????????????? try
??????????????? {
??????????????????? foreach (string str in Directory.GetDirectories(tn.Name))
??????????????????? {
??????????????????????? DirectoryInfo dif = new DirectoryInfo(str);
??????????????????????? if (!dif.Attributes.ToString().Contains("Hidden"))
??????????????????????? {
??????????????????????????? tn.Nodes.Add(str, Path.GetFileName(str), 0, 1);
??????????????????????????? //tn.Nodes.Add(str, Path.GetFileName(str), 1, 2);
??????????????????????? }
??????????????????? }
??????????????? }
??????????????? catch
??????????????? {
??????????????? }
??????????? }
??????? }
??????? //雙擊listView時讓對應的節點文件也展開
??????? private void listView1_DoubleClick(object sender, EventArgs e)
??????? { ??????????? if (listView1.SelectedItems.Count > 0)
??????????? {
??????????????? string path = listView1.SelectedItems[0].Name;
??????????????? toolStripComboBox1.Text = path;
??????????????? GetDirFile(path); ??????????????? string[] DirArr = path.Split('\\', '/');
??????????????? foreach (TreeNode tn in treeView1.Nodes)
??????????????? {
??????????????????? if (DirArr[tn.Level] == tn.Text.Trim('\\'))? //判斷數組的內容和節點的內容是否一致
??????????????????? {
??????????????????????? tn.Expand();//節點展開
??????????????????????? ExpadNode(tn, DirArr);//一致遞歸調用展開所有的符合條件的節點
??????????????????? }
??????????????? }
??????????? }
??????? }
??????? /// <summary>
??????? /// 展開節點方法
??????? /// </summary>
??????? /// <param name="tn"></param>
??????? /// <param name="DirArr"></param>
??????? void ExpadNode(TreeNode tn, string[] DirArr)
??????? {
??????????? foreach (TreeNode tns in tn.Nodes)
??????????? {
??????????????? if (tns.Level < DirArr.Length)
??????????????? {
??????????????????? if (DirArr[tns.Level] == tns.Text)
??????????????????? {
??????????????????????? tns.Expand();
??????????????????????? ExpadNode(tns, DirArr);
??????????????????????? break;
??????????????????? }
??????????????? }
??????????? }
??????? } ??????? private void Form1_FormClosing(object sender, FormClosingEventArgs e)
??????? {
??????????? Environment.Exit(0);//應用程序退出
??????? }
??????? //對文件進行重命名
??????? private void button1_Click(object sender, EventArgs e)
??????? {
??????????? listView1.LabelEdit = true;
??????????? listView1.SelectedItems[0].BeginEdit();
??????????? //foreach (string str in Directory.GetDirectories(@"C:/"))
??????????? //{
??????????? //??? DirectoryInfo di = new DirectoryInfo(str);
??????????? //??? MessageBox.Show(str + "---" + di.Attributes.ToString());
??????????? //}
??????? }
??????? //拖文件實現復制的功能
??????? private void listView1_DragEnter(object sender, DragEventArgs e)
??????? {
??????????? if (e.Data.GetDataPresent(DataFormats.FileDrop))
??????????? {
??????????????? string ath = (((string[])e.Data.GetData(DataFormats.FileDrop))[0]);
??????????????? File.Copy(ath, toolStripComboBox1.Text + "\\" + Path.GetFileName (ath), true);
??????????? }
??????? }
?//在樹形節點被選擇以后得到它的圖標和名稱
??????? private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
??????? {
??????????? GetDirFile(e.Node.Name);
??????????? toolStripComboBox1.Text = e.Node.Name;
??????? }
??????? /// <summary>
??????? /// 大小圖片的轉化和引用系統的文件轉化圖標
??????? /// </summary>
??????? /// <param name="path"></param>
??????? void GetDirFile(string path)
??????? {
??????????? listView1.Items.Clear();
??????????? SmallImaList.Images.Clear();
??????????? LargeImaList.Images.Clear();
??????????? int nIndex = 0; ??????????? SHFILEINFO shinfo = new SHFILEINFO();
??????????? listView1.SmallImageList = SmallImaList;
??????????? listView1.LargeImageList = LargeImaList;
??????????? try
??????????? {
??????????????? foreach (string file in Directory.GetFiles(path))
??????????????? {
??????????????????? Win32.SHGetFileInfo(file, 0, ref shinfo, (uint)Marshal.SizeOf (shinfo), Win32.SHGFI_ICON | Win32.SHGFI_SMALLICON);
??????????????????? Icon myIcon = Icon.FromHandle(shinfo.hIcon);
??????????????????? this.SmallImaList.Images.Add(myIcon); ??????????????????? Win32.SHGetFileInfo(file, 0, ref shinfo, (uint)Marshal.SizeOf (shinfo), Win32.SHGFI_ICON | Win32.SHGFI_LARGEICON);
??????????????????? myIcon = Icon.FromHandle(shinfo.hIcon);
??????????????????? this.LargeImaList.Images.Add(myIcon); ??????????????????? FileInfo fi = new FileInfo(file);
??????????????????? if (!fi.Attributes.ToString().Contains("Hidden"))
??????????????????? {
??????????????????????? ListViewItem lvi = listView1.Items.Add(file, Path.GetFileName(file), nIndex++);
??????????????????????? lvi.SubItems.Add(Directory.GetLastWriteTime(file).ToString ());
??????????????????????? lvi.SubItems.Add(Path.GetExtension(file));
??????????????????? }
??????????????? }
??????????? }
??????????? catch
??????????? { }
??????????? SmallImaList.Images.Add(imageList1.Images[0]);
??????????? LargeImaList.Images.Add(imageList1.Images[0]);
??????????? try
??????????? {
??????????????? foreach (string dir in Directory.GetDirectories(path))
??????????????? {
??????????????????? DirectoryInfo dif = new DirectoryInfo(dir);
??????????????????? if (!dif.Attributes.ToString().Contains("Hidden"))
??????????????????? {
??????????????????????? ListViewItem lvi = listView1.Items.Add(dir,
Path.GetFileName(dir), SmallImaList.Images.Count - 1);
??????????????????????? lvi.SubItems.Add(Directory.GetLastWriteTime(dir).ToString ());
??????????????????????? lvi.SubItems.Add("文件夾");
??????????????????? } ??????????????? }
??????????? }
??????????? catch
??????????? { } ??????? } ///引用系統文件獲得系統文件對應的圖標
??? [StructLayout(LayoutKind.Sequential)]
??? public struct SHFILEINFO
??? {
??????? public IntPtr hIcon;
??????? public IntPtr iIcon;
??????? public uint dwAttributes;
??????? [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
??????? public string szDisplayName;
??????? [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 80)]
??????? public string szTypeName;
??? } ??? class Win32
??? {
??????? public const uint SHGFI_ICON = 0x100;
??????? public const uint SHGFI_LARGEICON = 0x0; // 'Large icon
??????? public const uint SHGFI_SMALLICON = 0x1; // 'Small icon
??????? [DllImport("shell32.dll")]
??????? public static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes, ref SHFILEINFO psfi, uint cbSizeFileInfo, uint uFlags);
??? } 本文出自 “zhangjingjing” 博客，請務必保留此出處http://zhjjzhjj.blog.51cto.com/1802676/379525 | 
