private: System::Void Form1_Load(System::Object^  sender, System::EventArgs^  e) {
				//建立3个父节点
				 TreeNode ^tn1=treeView1->Nodes->Add("名称");
				 TreeNode ^tn2=treeView1->Nodes->Add("性别");
				 TreeNode ^tn3=treeView1->Nodes->Add("年龄");
				 TreeNode ^Ntn1=gcnew TreeNode("美丽的蓝天");
				 TreeNode ^Ntn2=gcnew TreeNode("天上有小鸟");
				 TreeNode ^Ntn3=gcnew TreeNode("飞来飞去");
				//添加到第一个父节点中
				 tn1->Nodes->Add(Ntn1);
				 tn1->Nodes->Add(Ntn2);
				 tn1->Nodes->Add(Ntn3);
				//再添加3个子节点，用于显示性别
                 TreeNode ^Stn1=gcnew TreeNode("男");
				 TreeNode ^Stn2=gcnew TreeNode("女");
				 TreeNode ^Stn3=gcnew TreeNode("男");
				//添加到性别节点中
				 tn2->Nodes->Add(Stn1);
				 tn2->Nodes->Add(Stn2);
				 tn2->Nodes->Add(Stn3);
               //再添加3个子节点，用于显示年龄
                 TreeNode ^Atn1=gcnew TreeNode("26");
				 TreeNode ^Atn2=gcnew TreeNode("27");
				 TreeNode ^Atn3=gcnew TreeNode("28");
				//添加到年龄节点中
				 tn3->Nodes->Add(Atn1);
				 tn3->Nodes->Add(Atn2);
				 tn3->Nodes->Add(Atn3);
			 }
//哈哈，休息一下，充会儿电