TreeView 树节点的处理 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; using WinForm_CRUD.B
TreeView设置节点图标 没子节点的设置其图标为 0 有节点的设置其图标为 1 procedure TForm1.Button1Click(Sender: TObject);var i:Integer;begin with TreeView1 do begin for i:= 0 to Items.Count -1 do begin if Items[i].HasChildren then begin
生成ContextMenuStrip var docMenu = new ContextMenuStrip(); ToolStripMenuItem deleteMenuItem = new ToolStripMenuItem(); deleteMenuItem.Text = "Delete"; deleteMenuItem.Click += new EventHandler(deleteMenuItem_Click); //给添加的ContextMenuStrip绑定click事件