#region listView分組 imageList1.Images.Add("ImageKey1", Image.FromFile("圖片路徑")); imageList1.Images.Add("ImageKey2", Image.FromFile("圖片路徑")); imageList1.Images.Add("ImageKey3", Image.FromFile("圖片路徑")); imageList1.Images.Add("newImageKey", Image.FromFile("圖片路徑")); // 關聯右鍵選單 listView1.ContextMenuStrip = contextMenuStrip1; // 關聯imageList listView1.LargeImageList = imageList1; listView1.View = View.LargeIcon; // 設定圖片對應的深度值 imageList1.ColorDepth = ColorDepth.Depth32Bit; ListViewItem[] items = new ListViewItem[3]; ListViewGroup group1 = new ListViewGroup("Group1"); ListViewGroup group2 = new ListViewGroup("Group2"); items[0] = new ListViewItem("viewItem1", "ImageKey1", group1); /* 設定listView 項stringKey，這裡設定項stringKey的目的是為了後面根據相應狀態 * 改變項圖片； * 在實際應用中，items的項數往往都是不定的，設定stringKey後，改變圖片時便可不用項索引 * 比如通過 listView1.Items["itemStringKey2"].ImageKey = "newImageKey"; * 便可直接改變第2項的圖片 */ items[0].Name = "itemStringKey1"; items[1] = new ListViewItem("viewItem2", "ImageKey2", group1); items[1].Name = "itemStringKey2"; items[2] = new ListViewItem("viewItem3", "ImageKey3", group2); items[2].Name = "itemStringKey3"; listView1.Groups.Add(group1); listView1.Groups.Add(group2); listView1.Items.AddRange(items); #endregion #region 右鍵選單的動態新增 private void contextMenuStrip1_Opening(object sender, CancelEventArgs e) { if (listView1.SelectedItems.Count == 0) //有選中項時才會彈出右鍵選單 { e.Cancel = true; return; } } /// <summary> /// 新增右鍵選單項 /// </summary> /// <param name="text">要顯示的文字，如果為 - 則顯示為分割線</param> /// <param name="cms">要新增到的子選單集合</param> /// <param name="callback">點選時觸發的事件</param> /// <returns>生成的子選單，如果為分隔條則返回null</returns> ToolStripMenuItem AddContextMenu(string text, ToolStripItemCollection cms, EventHandler callback) { if (text == "-") { ToolStripSeparator tsp = new ToolStripSeparator(); cms.Add(tsp); return null; } else if (!string.IsNullOrEmpty(text)) { ToolStripMenuItem tsmi = new ToolStripMenuItem(text, Image.FromFile("圖示路徑"); if (callback != null) { tsmi.Click += callback; } cms.Add(tsmi); tsmi.Font = new Font("Arial", 9, FontStyle.Regular); //字型設定 //tsmi.Image = Image.FromFile("圖示路徑"); //選單圖示設定 return tsmi; } return null; } /// <summary> /// 選單事件 /// </summary> void menuClicked(object sender, EventArgs e) { ToolStripMenuItem stripItem = (ToolStripMenuItem)sender; string parentItemText = stripItem.OwnerItem.Text; MessageBox.Show(parentItemText + stripItem.Text + "事件"); } ToolStripMenuItem subItem; private void listView1_MouseClick(object sender, MouseEventArgs e) { contextMenuStrip1.Items.Clear(); //新增主選單1 subItem = AddContextMenu("主選單1", contextMenuStrip1.Items, menuClicked); //新增子選單 AddContextMenu("子選單1", subItem.DropDownItems, new EventHandler(menuClicked)); AddContextMenu("子選單2", subItem.DropDownItems, new EventHandler(menuClicked)); //新增主選單2 subItem = AddContextMenu("主選單2", contextMenuStrip1.Items, menuClicked); //新增子選單 AddContextMenu("子選單1", subItem.DropDownItems, new EventHandler(menuClicked)); AddContextMenu("子選單2", subItem.DropDownItems, new EventHandler(menuClicked)); } #endregion