C++ builder 中的 XMLDocument 类详解(15) – Firstnode 和Lastnode

//---------------------------------------------------------------------------



#ifndef Unit1H

#define Unit1H

//---------------------------------------------------------------------------

#include <Classes.hpp>

#include <Controls.hpp>

#include <StdCtrls.hpp>

#include <Forms.hpp>

#include <msxmldom.hpp>

#include <XMLDoc.hpp>

#include <xmldom.hpp>

#include <XMLIntf.hpp>

//---------------------------------------------------------------------------

class TForm1 : public TForm

{

__published:	// IDE-managed Components

    TXMLDocument *XMLDocument1;

    TButton *Button1;

    void __fastcall FormCreate(TObject *Sender);

    void __fastcall Button1Click(TObject *Sender);

private:	// User declarations

public:		// User declarations

    __fastcall TForm1(TComponent* Owner);

};

//---------------------------------------------------------------------------

extern PACKAGE TForm1 *Form1;

//---------------------------------------------------------------------------

#endif

//---------------------------------------------------------------------------



#include <vcl.h>

#pragma hdrstop



#include "Unit1.h"

//---------------------------------------------------------------------------

#pragma package(smart_init)

#pragma resource "*.dfm"

TForm1 *Form1;

//---------------------------------------------------------------------------

__fastcall TForm1::TForm1(TComponent* Owner)

    : TForm(Owner)

{

}

//---------------------------------------------------------------------------





void __fastcall TForm1::FormCreate(TObject *Sender)

{

    XMLDocument1->LoadFromFile("D:\\code\\B_C_B\\XMLDocument\\test.xml");

}

//---------------------------------------------------------------------------



void __fastcall TForm1::Button1Click(TObject *Sender)

{

    _di_IXMLNodeList nodeList;

    _di_IXMLNode node;



    nodeList=XMLDocument1->DocumentElement->ChildNodes->Nodes[2]->ChildNodes;



    //当前nodelist第三个人员的节点列表



    //获得第一个结点

    node=nodeList->First();

    ShowMessage(node->NodeValue);//王五



    //获取列表中最后一个节点

    node=nodeList->Last();

    ShowMessage(node->NodeValue);



}

//---------------------------------------------------------------------------