C++builderのXMLDocumentクラスの詳細(18)NodeValueとNodeNameの読み書きの違い

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



#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 *btn1;

    TButton *btn2;

    TButton *btn3;

    void __fastcall FormCreate(TObject *Sender);

    void __fastcall btn1Click(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::btn1Click(TObject *Sender)

{

    _di_IXMLNode node;



    node=XMLDocument1->DocumentElement;

    node=node->ChildNodes->Nodes[0];//       



    //    nodevalue     

    ShowMessage(node->AttributeNodes->operator [](0)->NodeValue);

    node->AttributeNodes->operator [](0)->NodeValue=(WideString)("   ");

    ShowMessage(node->AttributeNodes->operator [](0)->NodeValue);



    //  nodename    

    ShowMessage(node->AttributeNodes->operator [](0)->NodeName);

    //node->AttributeNodes->operator [](0)->NodeName="xxx",       



    node=node->ChildNodes->operator [](0);//  node               





    //   :nodeValue     

    ShowMessage(node->NodeValue); //  

    node->NodeValue=(WideString)"   ";

    ShowMessage(node->NodeValue);//   



    //     nodename    

    ShowMessage(node->NodeName);//  

//    node->NodeName="XXX"          



}

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