我有代码.构造函数应该进入GetItems函数但是当我放置断点时,它根本就不会停止.
问题是什么?
namespace Storehouse { public partial class MainForm : Form { public MainForm() { InitializeComponent(); var a = GetItems(fILetoolStripMenuItem); } public IEnumerable<ToolStripMenuItem> GetItems(ToolStripMenuItem item) { foreach (ToolStripMenuItem dropDownItem in item.DropDownItems) { if (dropDownItem.HasDropDownItems) { foreach (ToolStripMenuItem subItem in GetItems(dropDownItem)) { yield return subItem; } yield return dropDownItem; } } } }