C#winform中ListView的使用
使用ListView模仿Windows系统的资源管理器界面，实现文件(夹)的浏览、重命名、删除及查询等功能，主要功能界面展示如下：
1.MainForm.cs及MainForm.Designer.cs
1 using System; 2 using System.Collections.Generic; 3 using System.ComponentModel; 4 using System.Data; 5 using System.Drawing; 6 using System.Linq; 7 using System.Text; 8 using System.Windows.Forms; 9 using System.IO; 10 11 namespace Controls 12 { 13 public partial class MainForm : Form 14 { 15 #region 成员变量 16 /// <summary> 17 /// 用于递归计算文件夹大小 18 /// </summary> 19 private long folderSize = 0; 20 21 /// <summary> 22 ///打开文件夹根路径 23 /// </summary> 24 private string rootPath = string.Empty; 25 #endregion 26 27 #region 初期化 28 /// <summary> 29 /// 默认构造函数 30 /// </summary> 31 public MainForm() 32 { 33 InitializeComponent(); 34 //给窗体注册键盘事件 35 this.KeyPreview = true; 36 } 37 38 /// <summary> 39 /// 初始化窗体,绑定事件 40 /// </summary> 41 /// <param name="sender"></param> 42 /// <param name="e"></param> 43 private void MainForm_Load(object sender, EventArgs e) 44 { 45 this.大图标ToolStripMenuItem.Click += new System.EventHandler(this.ToolStripMenuItem_Click); 46 this.详细信息ToolStripMenuItem.Click += new System.EventHandler(this.ToolStripMenuItem_Click); 47 this.平铺ToolStripMenuItem.Click += new System.EventHandler(this.ToolStripMenuItem_Click); 48 this.小图标ToolStripMenuItem.Click += new System.EventHandler(this.ToolStripMenuItem_Click); 49 this.列表ToolStripMenuItem.Click += new System.EventHandler(this.ToolStripMenuItem_Click); 50 } 51 #endregion 52 53 #region 事件处理 54 /// <summary> 55 /// 搜索框符合条件的文件夹或文件 56 /// </summary> 57 /// <param name="sender"></param> 58 /// <param name="e"></param> 59 private void btnSearch_Click(object sender, EventArgs e) 60 { 61 AddItemsToListView(txtPath.Text, txtSearch.Text.Trim()); 62 AddHeaderToListView(this.lvwData); 63 } 64 65 /// <summary> 66 /// 给搜索框添加Enter快捷键 67 /// </summary> 68 /// <param name="sender"></param> 69 /// <param name="e"></param> 70 private void MainForm_KeyDown(object sender, KeyEventArgs e) 71 { 72 //搜索框获得焦点且按下Enter键时，执行搜索 73 if (txtSearch.Focused && e.KeyCode == Keys.Enter) 74 { 75 this.btnSearch_Click(sender, e); 76 } 77 } 78 79 /// <summary> 80 /// 返回上级目录 81 /// </summary> 82 /// <param name="sender"></param> 83 /// <param name="e"></param> 84 private void btnUp_Click(object sender, EventArgs e) 85 { 86 if (txtPath.Text == rootPath || !txtPath.Text.Contains("\\")) 87 { 88 return; 89 } 90 //找到文件夹上级目录的绝对路径 91 txtPath.Text = txtPath.Text.Substring(0, txtPath.Text.LastIndexOf("\\")); 92 AddItemsToListView(txtPath.Text); 93 AddHeaderToListView(this.lvwData); 94 } 95 96 /// <summary> 97 /// 打开文件夹，显示文件夹 98 /// </summary> 99 /// <param name="sender"></param> 100 /// <param name="e"></param> 101 private void btnFolder_Click(object sender, EventArgs e) 102 { 103 DialogResult dr = fbdData.ShowDialog(); 104 string path = fbdData.SelectedPath.ToString(); 105 if (dr == DialogResult.OK && path != "") 106 { 107 rootPath = path; 108 txtPath.Text = path; 109 } 110 } 111 112 /// <summary> 113 /// 新建文件夹，选中文件夹 114 /// </summary> 115 /// <param name="sender"></param> 116 /// <param name="e"></param> 117 private void btnAdd_Click(object sender, EventArgs e) 118 { 119 string fullpath = string.Empty; 120 AddForm addForm = new AddForm(btnAdd.Text); 121 addForm.ShowDialog(); 122 if (addForm.ButtonFlag) 123 { 124 fullpath = txtPath.Text + "\\" + addForm.TxtName; 125 } 126 else 127 { 128 return; //排除关闭窗口异常 129 } 130 try 131 { 132 if (Directory.Exists(fullpath)) 133 { 134 MessageBox.Show("该文件名已经存在！", "提示"); 135 return; 136 } 137 Directory.CreateDirectory(fullpath); 138 AddItemsToListView(txtPath.Text); 139 AddHeaderToListView(this.lvwData); 140 } 141 catch (NullReferenceException ex) 142 { 143 MessageBox.Show(ex.Message, "提示"); 144 } 145 finally 146 { 147 //选中新增的项，并显示在视野范围内 148 for (int i = 0; i < lvwData.Items.Count; i++) 149 { 150 if (lvwData.Items[i].Tag.ToString() == fullpath) 151 { 152 //先设置ListView选中 153 lvwData.Focus(); 154 lvwData.Items[i].Selected = true; 155 //在视野范围内显示 156 lvwData.EnsureVisible(i); 157 break; 158 } 159 } 160 } 161 } 162 163 /// <summary> 164 /// 重命名文件夹 165 /// </summary> 166 /// <param name="sender"></param> 167 /// <param name="e"></param> 168 private void btnRename_Click(object sender, EventArgs e) 169 { 170 if (lvwData.SelectedItems.Count <= 0) 171 { 172 return; 173 } 174 string fullName = lvwData.SelectedItems[0].Tag.ToString(); 175 string path = fullName.Substring(0, fullName.LastIndexOf("\\") + 1);//文件路径 176 string suffix = GetSuffixName(fullName);//后缀名 177 //文件名或文件夹名 178 string fileName = string.Empty; 179 if (suffix != string.Empty) 180 { 181 fileName = fullName.Substring(fullName.LastIndexOf("\\") + 1, 182 fullName.LastIndexOf(".") - fullName.LastIndexOf("\\") - 1);//文件名 183 } 184 else 185 { 186 fileName = fullName.Substring(fullName.LastIndexOf("\\") + 1);//文件夹名 187 } 188 string fullPath = string.Empty; 189 AddForm addForm = new AddForm(btnRename.Text, fileName); 190 addForm.ShowDialog(); 191 if (suffix != string.Empty) 192 { 193 fullPath = path + addForm.TxtName + "." + suffix; 194 } 195 else 196 { 197 fullPath = path + addForm.TxtName; 198 } 199 //直接关闭窗口时 200 if (!addForm.ButtonFlag) 201 { 202 return; 203 } 204 try 205 { 206 //重命名文件夹 207 if (suffix == string.Empty) 208 { 209 if (Directory.Exists(fullPath)) 210 { 211 MessageBox.Show("该文件名已经存在！", "提示"); 212 return; 213 } 214 Directory.Move(fullName, fullPath); 215 } 216 //重命名文件 217 else 218 { 219 if (File.Exists(fullPath)) 220 { 221 MessageBox.Show("该文件名已经存在！", "提示"); 222 return; 223 } 224 File.Move(fullName, fullPath); 225 } 226 AddItemsToListView(txtPath.Text); 227 AddHeaderToListView(this.lvwData); 228 } 229 catch (NullReferenceException ex) 230 { 231 MessageBox.Show(ex.Message); 232 } 233 } 234 235 /// <summary> 236 /// 删除文件夹 237 /// </summary> 238 /// <param name="sender"></param> 239 /// <param name="e"></param> 240 private void btnDelete_Click(object sender, EventArgs e) 241 { 242 int count = lvwData.SelectedItems.Count; 243 if (count <= 0) 244 { 245 return; 246 } 247 DialogResult result = MessageBox.Show("你确定删除这" + count + "项吗？", "提示", 248 MessageBoxButtons.YesNo, MessageBoxIcon.Question); 249 if (result == DialogResult.Yes) 250 { 251 string path; 252 ListViewItem selectitem; 253 for (int i = 0; i < lvwData.SelectedItems.Count; ) //此处不能i++ 254 { 255 selectitem = lvwData.SelectedItems[i]; 256 path = selectitem.Tag.ToString(); 257 lvwData.Items.Remove(selectitem); 258 if (File.Exists(path)) 259 { 260 File.Delete(path); 261 } 262 else if (Directory.Exists(path)) 263 { 264 Directory.Delete(path, true); 265 } 266 lvwData.Update(); 267 } 268 } 269 } 270 271 /// <summary> 272 /// List选中项时发生 273 /// </summary> 274 /// <param name="sender"></param> 275 /// <param name="e"></param> 276 private void lvwData_ItemActivate(object sender, EventArgs e) 277 { 278 ListView lv = (ListView)sender; 279 if (lv.SelectedItems.Count <= 0) 280 { 281 return; 282 } 283 string filename = lv.SelectedItems[0].Tag.ToString(); 284 //如果是文件夹，就打开它 285 if (Directory.Exists(filename)) 286 { 287 AddItemsToListView(filename); 288 AddHeaderToListView(this.lvwData); 289 //获取打开的文件夹路径 290 txtPath.Text = filename; 291 } 292 //如果是文件，就执行它 293 else 294 { 295 System.Diagnostics.Process.Start(filename); 296 } 297 } 298 299 /// <summary> 300 /// 根据路径，获取ListView中的显示项 301 /// </summary> 302 /// <param name="sender"></param> 303 /// <param name="e"></param> 304 private void txtPath_TextChanged(object sender, EventArgs e) 305 { 306 AddItemsToListView(txtPath.Text); 307 AddHeaderToListView(this.lvwData); 308 } 309 310 /// <summary> 311 /// ListView列表显示样式 312 /// </summary> 313 /// <param name="sender"></param> 314 /// <param name="e"></param> 315 private void ToolStripMenuItem_Click(object sender, EventArgs e) 316 { 317 ToolStripMenuItem tsMenumItem = sender as ToolStripMenuItem; 318 if (tsMenumItem.Checked) 319 { 320 return;//已经选中则返回 321 } 322 else 323 { 324 //清除勾选的右键菜单项 325 ClearCheckState(cmsStyle); 326 //勾选选中的右键菜单项 327 tsMenumItem.Checked = true; 328 } 329 switch (tsMenumItem.Text) 330 { 331 case "大图标": 332 lvwData.View = View.LargeIcon; 333 break; 334 case "详细信息": 335 lvwData.View = View.Details; 336 break; 337 case "小图标": 338 lvwData.View = View.SmallIcon; 339 break; 340 case "列表": 341 lvwData.View = View.List; 342 break; 343 case "平铺": 344 lvwData.View = View.Tile; 345 break; 346 } 347 } 348 349 /// <summary> 350 /// 清除勾选的右键菜单项 351 /// </summary> 352 /// <param name="cms">右键菜单</param> 353 /// <param name="clearAll">是否全部清除</param> 354 private void ClearCheckState(ContextMenuStrip cms, bool clearAll = false) 355 { 356 ToolStripMenuItem tsMenumItemTemp; 357 for (int i = 0; i < cms.Items.Count; i++) 358 { 359 if (!(cms.Items[i] is ToolStripMenuItem)) 360 { 361 continue; 362 } 363 tsMenumItemTemp = cms.Items[i] as ToolStripMenuItem; 364 if (tsMenumItemTemp.Checked) 365 { 366 tsMenumItemTemp.Checked = false; 367 if (!clearAll) 368 { 369 break; 370 } 371 } 372 } 373 } 374 #endregion 375 376 #region 设置ListView的显示项 377 /// <summary> 378 /// 根据根节点类型，设置listview显示项 379 /// </summary> 380 /// <param name="root">根节点</param> 381 /// <param name="keywords">搜索关键字</param> 382 private void AddItemsToListView(string root, string keywords = "") 383 { 384 //把当前ListView里的所有选项与所有列名都删除 385 lvwData.Clear(); 386 lvwData.BeginUpdate(); 387 //根节点是文件 388 if (File.Exists(root)) 389 { 390 AddFileToListView(new FileInfo(root), keywords); 391 } 392 //根节点是文件夹 393 else 394 { 395 DirectoryInfo dir = new DirectoryInfo(root); 396 DirectoryInfo[] dirs = dir.GetDirectories(); 397 FileInfo[] files = dir.GetFiles(); 398 //把子文件夹信息添加到ListView中显示 399 foreach (DirectoryInfo directoryInfo in dirs) 400 { 401 AddFolderToListView(directoryInfo, keywords); 402 } 403 //把文件夹下文件信息添加到ListView中显示 404 foreach (FileInfo fileInfo in files) 405 { 406 AddFileToListView(fileInfo, keywords); 407 } 408 } 409 this.lvwData.EndUpdate(); 410 } 411 412 /// <summary> 413 /// 将文件添加到ListView中显示 414 /// </summary> 415 /// <param name="fileInfo">文件全路径</param> 416 /// <param name="keywords">搜索关键字</param> 417 private void AddFileToListView(FileInfo fileInfo, string keywords) 418 { 419 ListViewItem lvi = new ListViewItem();//文件项 420 lvi.Tag = fileInfo.FullName; 421 lvi.Text = fileInfo.Name; 422 lvi.ImageIndex = imgLarge.Images.Count - 1; 423 if (keywords != "" && (!lvi.Text.Contains(keywords))) 424 { 425 return;//搜索不到关键字，不将文件添加到ListView中显示 426 } 427 //文件的名称属性项 428 lvi.SubItems[0].Tag = lvi.Tag; 429 lvi.SubItems[0].Text = lvi.Text; 430 //文件大小属性项 431 ListViewItem.ListViewSubItem lvsi = new ListViewItem.ListViewSubItem(); 432 lvsi.Tag = fileInfo.Length; 433 lvsi.Text = FormatFolderSize(fileInfo.Length); 434 lvi.SubItems.Add(lvsi); 435 //修改日期属性项 436 lvsi = new ListViewItem.ListViewSubItem(); 437 lvsi.Tag = fileInfo.LastAccessTime.ToString(); 438 lvsi.Text = fileInfo.LastAccessTime.ToString(); 439 lvi.SubItems.Add(lvsi); 440 //添加文件 441 this.lvwData.Items.Add(lvi); 442 } 443 444 /// <summary> 445 /// 将文件夹添加到ListView中显示 446 /// </summary> 447 /// <param name="DirectoryInfo">文件夹</param> 448 /// <param name="keywords">搜索关键字</param> 449 private void AddFolderToListView(DirectoryInfo DirectoryInfo, string keywords) 450 { 451 ListViewItem lvi = new ListViewItem(); 452 lvi.Tag = DirectoryInfo.FullName; 453 lvi.Text = DirectoryInfo.Name;//显示名称 454 lvi.ImageIndex = 0; 455 if (keywords != "" && (!lvi.Text.Contains(keywords))) 456 { 457 return;//搜索不到关键字，不将文件夹添加到ListView中显示 458 } 459 // 文件夹的名称属性项 460 lvi.SubItems[0].Tag = lvi.Tag; 461 lvi.SubItems[0].Text = lvi.Text; 462 //文件夹大小属性项 463 ListViewItem.ListViewSubItem lvsi = new ListViewItem.ListViewSubItem(); 464 lvsi.Tag = GetFolderSize(DirectoryInfo); 465 lvsi.Text = FormatFolderSize(folderSize); 466 folderSize = 0;//清零计算文件夹大小的变量 467 lvi.SubItems.Add(lvsi); 468 //修改日期属性项 469 lvsi = new ListViewItem.ListViewSubItem(); 470 lvsi.Tag = DirectoryInfo.LastAccessTime.ToString(); 471 lvsi.Text = DirectoryInfo.LastAccessTime.ToString(); 472 lvi.SubItems.Add(lvsi); 473 //添加文件夹 474 this.lvwData.Items.Add(lvi); 475 } 476 477 /// <summary> 478 /// 递归计算文件夹的大小 479 /// </summary> 480 /// <param name="DirectoryInfo">文件夹</param> 481 /// <returns>文件夹大小</returns> 482 private long GetFolderSize(DirectoryInfo DirectoryInfo) 483 { 484 DirectoryInfo[] dirs = DirectoryInfo.GetDirectories(); 485 FileInfo[] files = DirectoryInfo.GetFiles(); 486 //是文件夹时，继续递归 487 if (dirs.Length > 0) 488 { 489 foreach (DirectoryInfo dir in dirs) 490 { 491 GetFolderSize(dir); 492 } 493 } 494 //是文件时，进行累加计算 495 foreach (FileInfo fi in files) 496 { 497 folderSize = folderSize + fi.Length; 498 } 499 return folderSize; 500 } 501 502 /// <summary> 503 /// 将文件夹大小转化为直观的文字显示 504 /// </summary> 505 /// <param name="size">文件夹大小</param> 506 /// <returns>文件夹大小的文字表示</returns> 507 private string FormatFolderSize(long size) 508 { 509 if ((size >> 30) > 0) 510 { 511 //保留两位小数 512 return ((size >> 20) / 1024.0).ToString("F2") + " GB"; 513 } 514 else if ((size >> 20) > 0) 515 { 516 //保留两位小数 517 return ((size >> 10) / 1024.0).ToString("F2") + " MB"; 518 } 519 else 520 { 521 return (size >> 10) + " KB"; 522 } 523 } 524 525 /// <summary> 526 /// 为listview添加列标题 527 /// </summary> 528 private void AddHeaderToListView(ListView listView) 529 { 530 ColumnHeader ch = new ColumnHeader(); 531 ch.Text = "文件名"; 532 ch.Width = 150; 533 listView.Columns.Add(ch); 534 535 ch = new ColumnHeader(); 536 ch.Width = 70; 537 ch.Text = "大小"; 538 listView.Columns.Add(ch); 539 540 ch = new ColumnHeader(); 541 ch.Text = "修改日期"; 542 ch.Width = 140; 543 listView.Columns.Add(ch); 544 } 545 #endregion 546 547 #region 经常使用的公共方法 548 /// <summary> 549 /// 获取文件后缀名(小写) 550 /// </summary> 551 /// <param name="path">文件全路径或文件名</param> 552 public string GetSuffixName(string path) 553 { 554 string suffix = string.Empty; 555 if (path.Contains(".")) 556 { 557 suffix = path.Substring(path.LastIndexOf(".") + 1);//后缀名 558 } 559 return suffix.ToLower(); 560 } 561 562 /// <summary> 563 /// 获取应用程序根路径 564 /// </summary> 565 public string GetApplicationPath() 566 { 567 string path = Application.StartupPath; 568 string folderName = String.Empty; 569 while (folderName.ToLower() != "bin") 570 { 571 path = path.Substring(0, path.LastIndexOf("\\")); 572 folderName = path.Substring(path.LastIndexOf("\\") + 1); 573 } 574 return path.Substring(0, path.LastIndexOf("\\") + 1); 575 } 576 #endregion 577 } 578 }
1 namespace Controls 2 { 3 partial class MainForm 4 { 5 /// <summary> 6 /// 必需的设计器变量。 7 /// </summary> 8 private System.ComponentModel.IContainer components = null; 9 10 /// <summary> 11 /// 清理所有正在使用的资源。 12 /// </summary> 13 /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param> 14 protected override void Dispose(bool disposing) 15 { 16 if (disposing && (components != null)) 17 { 18 components.Dispose(); 19 } 20 base.Dispose(disposing); 21 } 22 23 #region Windows 窗体设计器生成的代码 24 25 /// <summary> 26 /// 设计器支持所需的方法 - 不要 27 /// 使用代码编辑器修改此方法的内容。 28 /// </summary> 29 private void InitializeComponent() 30 { 31 this.components = new System.ComponentModel.Container(); 32 System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainForm)); 33 this.lvwData = new System.Windows.Forms.ListView(); 34 this.imgLarge = new System.Windows.Forms.ImageList(this.components); 35 this.imgSmall = new System.Windows.Forms.ImageList(this.components); 36 this.btnDelete = new System.Windows.Forms.Button(); 37 this.btnFolder = new System.Windows.Forms.Button(); 38 this.btnRename = new System.Windows.Forms.Button(); 39 this.txtPath = new System.Windows.Forms.TextBox(); 40 this.txtSearch = new System.Windows.Forms.TextBox(); 41 this.btnUp = new System.Windows.Forms.Button(); 42 this.btnAdd = new System.Windows.Forms.Button(); 43 this.fbdData = new System.Windows.Forms.FolderBrowserDialog(); 44 this.cmsStyle = new System.Windows.Forms.ContextMenuStrip(this.components); 45 this.大图标ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem(); 46 this.详细信息ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem(); 47 this.平铺ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem(); 48 this.小图标ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem(); 49 this.列表ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem(); 50 this.cmsStyle.SuspendLayout(); 51 this.SuspendLayout(); 52 // 53 // lvwData 54 // 55 this.lvwData.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 56 | System.Windows.Forms.AnchorStyles.Left) 57 | System.Windows.Forms.AnchorStyles.Right))); 58 this.lvwData.ContextMenuStrip = this.cmsStyle; 59 this.lvwData.LargeImageList = this.imgLarge; 60 this.lvwData.Location = new System.Drawing.Point(12, 45); 61 this.lvwData.Name = "lvwData"; 62 this.lvwData.Size = new System.Drawing.Size(530, 334); 63 this.lvwData.SmallImageList = this.imgSmall; 64 this.lvwData.TabIndex = 4; 65 this.lvwData.UseCompatibleStateImageBehavior = false; 66 this.lvwData.ItemActivate += new System.EventHandler(this.lvwData_ItemActivate); 67 // 68 // imgLarge 69 // 70 this.imgLarge.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imgLarge.ImageStream"))); 71 this.imgLarge.TransparentColor = System.Drawing.Color.Transparent; 72 this.imgLarge.Images.SetKeyName(0, "folder.png"); 73 this.imgLarge.Images.SetKeyName(1, "file.png"); 74 // 75 // imgSmall 76 // 77 this.imgSmall.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imgSmall.ImageStream"))); 78 this.imgSmall.TransparentColor = System.Drawing.Color.Transparent; 79 this.imgSmall.Images.SetKeyName(0, "folder.png"); 80 this.imgSmall.Images.SetKeyName(1, "file.png"); 81 // 82 // btnDelete 83 // 84 this.btnDelete.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 85 this.btnDelete.Location = new System.Drawing.Point(466, 393); 86 this.btnDelete.Name = "btnDelete"; 87 this.btnDelete.Size = new System.Drawing.Size(75, 23); 88 this.btnDelete.TabIndex = 8; 89 this.btnDelete.Text = "删除文件"; 90 this.btnDelete.UseVisualStyleBackColor = true; 91 this.btnDelete.Click += new System.EventHandler(this.btnDelete_Click); 92 // 93 // btnFolder 94 // 95 this.btnFolder.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left))); 96 this.btnFolder.Location = new System.Drawing.Point(12, 393); 97 this.btnFolder.Name = "btnFolder"; 98 this.btnFolder.Size = new System.Drawing.Size(75, 23); 99 this.btnFolder.TabIndex = 5; 100 this.btnFolder.Text = "打开文件夹"; 101 this.btnFolder.UseVisualStyleBackColor = true; 102 this.btnFolder.Click += new System.EventHandler(this.btnFolder_Click); 103 // 104 // btnRename 105 // 106 this.btnRename.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 107 this.btnRename.Location = new System.Drawing.Point(363, 393); 108 this.btnRename.Name = "btnRename"; 109 this.btnRename.Size = new System.Drawing.Size(75, 23); 110 this.btnRename.TabIndex = 7; 111 this.btnRename.Text = "重命名"; 112 this.btnRename.UseVisualStyleBackColor = true; 113 this.btnRename.Click += new System.EventHandler(this.btnRename_Click); 114 // 115 // txtPath 116 // 117 this.txtPath.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 118 | System.Windows.Forms.AnchorStyles.Right))); 119 this.txtPath.Location = new System.Drawing.Point(12, 12); 120 this.txtPath.Name = "txtPath"; 121 this.txtPath.ReadOnly = true; 122 this.txtPath.Size = new System.Drawing.Size(332, 21); 123 this.txtPath.TabIndex = 1; 124 this.txtPath.TextChanged += new System.EventHandler(this.txtPath_TextChanged); 125 // 126 // txtSearch 127 // 128 this.txtSearch.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right))); 129 this.txtSearch.Location = new System.Drawing.Point(350, 12); 130 this.txtSearch.Name = "txtSearch"; 131 this.txtSearch.Size = new System.Drawing.Size(111, 21); 132 this.txtSearch.TabIndex = 2; 133 // 134 // btnUp 135 // 136 this.btnUp.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right))); 137 this.btnUp.Location = new System.Drawing.Point(467, 10); 138 this.btnUp.Name = "btnUp"; 139 this.btnUp.Size = new System.Drawing.Size(75, 23); 140 this.btnUp.TabIndex = 3; 141 this.btnUp.Text = "上级目录"; 142 this.btnUp.UseVisualStyleBackColor = true; 143 this.btnUp.Click += new System.EventHandler(this.btnUp_Click); 144 // 145 // btnAdd 146 // 147 this.btnAdd.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 148 this.btnAdd.Location = new System.Drawing.Point(260, 393); 149 this.btnAdd.Name = "btnAdd"; 150 this.btnAdd.Size = new System.Drawing.Size(75, 23); 151 this.btnAdd.TabIndex = 6; 152 this.btnAdd.Text = "新建文件夹"; 153 this.btnAdd.UseVisualStyleBackColor = true; 154 this.btnAdd.Click += new System.EventHandler(this.btnAdd_Click); 155 // 156 // cmsStyle 157 // 158 this.cmsStyle.Items.AddRange(new System.Windows.Forms.ToolStripItem[] { 159 this.大图标ToolStripMenuItem, 160 this.详细信息ToolStripMenuItem, 161 this.平铺ToolStripMenuItem, 162 this.小图标ToolStripMenuItem, 163 this.列表ToolStripMenuItem}); 164 this.cmsStyle.Name = "cmsStyle"; 165 this.cmsStyle.Size = new System.Drawing.Size(125, 114); 166 // 167 // 大图标ToolStripMenuItem 168 // 169 this.大图标ToolStripMenuItem.Checked = true; 170 this.大图标ToolStripMenuItem.CheckState = System.Windows.Forms.CheckState.Checked; 171 this.大图标ToolStripMenuItem.Name = "大图标ToolStripMenuItem"; 172 this.大图标ToolStripMenuItem.Size = new System.Drawing.Size(152, 22); 173 this.大图标ToolStripMenuItem.Text = "大图标"; 174 // 175 // 详细信息ToolStripMenuItem 176 // 177 this.详细信息ToolStripMenuItem.Name = "详细信息ToolStripMenuItem"; 178 this.详细信息ToolStripMenuItem.Size = new System.Drawing.Size(152, 22); 179 this.详细信息ToolStripMenuItem.Text = "详细信息"; 180 // 181 // 平铺ToolStripMenuItem 182 // 183 this.平铺ToolStripMenuItem.Name = "平铺ToolStripMenuItem"; 184 this.平铺ToolStripMenuItem.Size = new System.Drawing.Size(124, 22); 185 this.平铺ToolStripMenuItem.Text = "平铺"; 186 // 187 // 小图标ToolStripMenuItem 188 // 189 this.小图标ToolStripMenuItem.Name = "小图标ToolStripMenuItem"; 190 this.小图标ToolStripMenuItem.Size = new System.Drawing.Size(124, 22); 191 this.小图标ToolStripMenuItem.Text = "小图标"; 192 // 193 // 列表ToolStripMenuItem 194 // 195 this.列表ToolStripMenuItem.Name = "列表ToolStripMenuItem"; 196 this.列表ToolStripMenuItem.Size = new System.Drawing.Size(124, 22); 197 this.列表ToolStripMenuItem.Text = "列表"; 198 // 199 // MainForm 200 // 201 this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F); 202 this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; 203 this.ClientSize = new System.Drawing.Size(554, 432); 204 this.Controls.Add(this.btnAdd); 205 this.Controls.Add(this.btnUp); 206 this.Controls.Add(this.txtSearch); 207 this.Controls.Add(this.txtPath); 208 this.Controls.Add(this.btnRename); 209 this.Controls.Add(this.btnFolder); 210 this.Controls.Add(this.btnDelete); 211 this.Controls.Add(this.lvwData); 212 this.Name = "MainForm"; 213 this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; 214 this.Text = "ListView的使用"; 215 this.Load += new System.EventHandler(this.MainForm_Load); 216 this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.MainForm_KeyDown); 217 this.cmsStyle.ResumeLayout(false); 218 this.ResumeLayout(false); 219 this.PerformLayout(); 220 221 } 222 #endregion 223 224 private System.Windows.Forms.ListView lvwData; 225 private System.Windows.Forms.Button btnDelete; 226 private System.Windows.Forms.Button btnFolder; 227 private System.Windows.Forms.Button btnRename; 228 private System.Windows.Forms.TextBox txtPath; 229 private System.Windows.Forms.TextBox txtSearch; 230 private System.Windows.Forms.Button btnUp; 231 private System.Windows.Forms.Button btnAdd; 232 private System.Windows.Forms.FolderBrowserDialog fbdData; 233 private System.Windows.Forms.ImageList imgSmall; 234 private System.Windows.Forms.ImageList imgLarge; 235 private System.Windows.Forms.ContextMenuStrip cmsStyle; 236 private System.Windows.Forms.ToolStripMenuItem 大图标ToolStripMenuItem; 237 private System.Windows.Forms.ToolStripMenuItem 详细信息ToolStripMenuItem; 238 private System.Windows.Forms.ToolStripMenuItem 小图标ToolStripMenuItem; 239 private System.Windows.Forms.ToolStripMenuItem 列表ToolStripMenuItem; 240 private System.Windows.Forms.ToolStripMenuItem 平铺ToolStripMenuItem; 241 } 242 }
2.AddForm.cs及AddForm.Designer.cs
1 using System; 2 using System.Collections.Generic; 3 using System.ComponentModel; 4 using System.Data; 5 using System.Drawing; 6 using System.Linq; 7 using System.Text; 8 using System.Windows.Forms; 9 using System.Text.RegularExpressions; 10 11 namespace Controls 12 { 13 public partial class AddForm : Form 14 { 15 #region 公开字段及属性 16 /// <summary> 17 /// 检查输入是否为空 18 /// </summary> 19 public bool ButtonFlag = false; 20 21 /// <summary> 22 /// 文件夹名或文件名 23 /// </summary> 24 public string TxtName 25 { 26 get { return this.txtName.Text.Trim(); } 27 } 28 #endregion 29 30 #region 初期化 31 /// <summary> 32 /// 默认构造函数 33 /// </summary> 34 public AddForm() 35 { 36 InitializeComponent(); 37 //给窗体注册键盘事件 38 this.KeyPreview = true; 39 } 40 41 /// <summary> 42 /// 构造函数,用于新增文件夹 43 /// </summary> 44 /// <param name="title">标题</param> 45 public AddForm(string title) 46 : this() 47 { 48 this.Text = title; 49 } 50 51 /// <summary> 52 /// 构造函数,用于更新文件夹 53 /// </summary> 54 /// <param name="title">标题</param> 55 /// <param name="name">内容</param> 56 public AddForm(string title, string name) 57 : this(title) 58 { 59 this.txtName.Text = name; 60 } 61 #endregion 62 63 #region 事件处理 64 /// <summary> 65 /// 输入只能是字母、下划线、数字及中文字符 66 /// </summary> 67 /// <param name="sender"></param> 68 /// <param name="e"></param> 69 private void txtName_KeyPress(object sender, KeyPressEventArgs e) 70 { 71 //全选(1)、复制(3)、退格键(8)、粘贴(22)、下划线(95) 72 int[] chars = { 1, 3, 8, 22, 95 }; 73 // 允许输入字母、下划线、数字、中文字符,允许全选、复制、删除、粘贴 74 if (Char.IsLetter(e.KeyChar) || Char.IsDigit(e.KeyChar) 75 || (e.KeyChar >= 0x4e00 && e.KeyChar <= 0x9fa5) || chars.Contains(e.KeyChar)) 76 { 77 e.Handled = false; 78 } 79 else 80 { 81 e.Handled = true; 82 } 83 } 84 85 /// <summary> 86 /// 粘贴时过滤不是字母,下划线,数字及中文的字符 87 /// </summary> 88 /// <param name="sender"></param> 89 /// <param name="e"></param> 90 private void txtName_TextChanged(object sender, EventArgs e) 91 { 92 TextBox textBox = sender as TextBox; 93 //匹配字母,下划线,数字及中文字符的正则表达式 94 var reg = new Regex("^[A-Z|a-z|_|0-9|\u4e00-\u9fa5]*$"); 95 var str = textBox.Text.Trim(); 96 var sb = new StringBuilder(); 97 if (!reg.IsMatch(str)) 98 { 99 for (int i = 0; i < str.Length; i++) 100 { 101 if (reg.IsMatch(str[i].ToString())) 102 { 103 sb.Append(str[i].ToString()); 104 } 105 } 106 textBox.Text = sb.ToString(); 107 //定义输入焦点在最后一个字符 108 textBox.SelectionStart = textBox.Text.Length; 109 } 110 } 111 112 /// <summary> 113 /// 提交信息 114 /// </summary> 115 /// <param name="sender"></param> 116 /// <param name="e"></param> 117 private void btnSave_Click(object sender, EventArgs e) 118 { 119 //新增或编辑文件夹名或文件名 120 if (txtName.Text.Trim() != "") 121 { 122 ButtonFlag = true; 123 this.Close(); 124 } 125 else 126 { 127 MessageBox.Show(this.lblName.Text + "不能为空！", "提示"); 128 } 129 } 130 131 /// <summary> 132 /// 给确定按钮添加快捷键 133 /// </summary> 134 /// <param name="sender"></param> 135 /// <param name="e"></param> 136 private void AddForm_KeyDown(object sender, KeyEventArgs e) 137 { 138 if (e.KeyCode == Keys.Enter) 139 { 140 this.btnSave_Click(sender, e); 141 } 142 } 143 #endregion 144 } 145 }
1 namespace Controls 2 { 3 partial class AddForm 4 { 5 /// <summary> 6 /// Required designer variable. 7 /// </summary> 8 private System.ComponentModel.IContainer components = null; 9 10 /// <summary> 11 /// Clean up any resources being used. 12 /// </summary> 13 /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param> 14 protected override void Dispose(bool disposing) 15 { 16 if (disposing && (components != null)) 17 { 18 components.Dispose(); 19 } 20 base.Dispose(disposing); 21 } 22 23 #region Windows Form Designer generated code 24 25 /// <summary> 26 /// Required method for Designer support - do not modify 27 /// the contents of this method with the code editor. 28 /// </summary> 29 private void InitializeComponent() 30 { 31 this.lblName = new System.Windows.Forms.Label(); 32 this.txtName = new System.Windows.Forms.TextBox(); 33 this.btnSave = new System.Windows.Forms.Button(); 34 this.SuspendLayout(); 35 // 36 // lblName 37 // 38 this.lblName.AutoSize = true; 39 this.lblName.Font = new System.Drawing.Font("宋体", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134))); 40 this.lblName.Location = new System.Drawing.Point(11, 30); 41 this.lblName.Name = "lblName"; 42 this.lblName.Size = new System.Drawing.Size(59, 13); 43 this.lblName.TabIndex = 0; 44 this.lblName.Text = "文件夹名"; 45 // 46 // txtName 47 // 48 this.txtName.Font = new System.Drawing.Font("宋体", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134))); 49 this.txtName.Location = new System.Drawing.Point(78, 26); 50 this.txtName.Name = "txtName"; 51 this.txtName.Size = new System.Drawing.Size(171, 22); 52 this.txtName.TabIndex = 1; 53 this.txtName.TextChanged += new System.EventHandler(this.txtName_TextChanged); 54 this.txtName.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.txtName_KeyPress); 55 // 56 // btnSave 57 // 58 this.btnSave.Font = new System.Drawing.Font("宋体", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134))); 59 this.btnSave.Location = new System.Drawing.Point(259, 26); 60 this.btnSave.Name = "btnSave"; 61 this.btnSave.Size = new System.Drawing.Size(60, 22); 62 this.btnSave.TabIndex = 2; 63 this.btnSave.Text = "确定"; 64 this.btnSave.UseVisualStyleBackColor = true; 65 this.btnSave.Click += new System.EventHandler(this.btnSave_Click); 66 // 67 // AddForm 68 // 69 this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F); 70 this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; 71 this.ClientSize = new System.Drawing.Size(334, 72); 72 this.Controls.Add(this.btnSave); 73 this.Controls.Add(this.txtName); 74 this.Controls.Add(this.lblName); 75 this.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134))); 76 this.MaximizeBox = false; 77 this.Name = "AddForm"; 78 this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; 79 this.Text = "新建文件夹"; 80 this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.AddForm_KeyDown); 81 this.ResumeLayout(false); 82 this.PerformLayout(); 83 84 } 85 86 #endregion 87 88 private System.Windows.Forms.Label lblName; 89 private System.Windows.Forms.TextBox txtName; 90 private System.Windows.Forms.Button btnSave; 91 } 92 }
3.添加文件夹及图片资源
1.文件夹Resource目录下包含：文件夹图片
(folder.png)，文件图片
(file.png)两个文件
2.为ImageList(imgLarge,imgSmall)控件添加Images属性、设置ImageSize属性(imgLarge--40*40, imgSmall--20*20)
===相关参考链接===
1.C#winform中ListView及ContextMenuStrip的使用：http://www.cnblogs.com/makesense/p/4079835.html
2.C#winform点击ListView列标题进行排序:http://bbs.csdn.net/topics/350071962
3.C#删除文件和文件夹到回收站：http://www.cnblogs.com/lazycoding/archive/2012/09/25/2702007.html