c++ builder 中的 XMLDocument 类详解(11) -读取和设置版本号

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



#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;

    TMemo *Memo1;

    TButton *btn_1;

    void __fastcall btn_1Click(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::btn_1Click(TObject *Sender)
{
    //设置或读取xml编码与版本号
    XMLDocument1->LoadFromFile("D:\\code\\B_C_B\\XMLDocument\\test.xml");
    ShowMessage(XMLDocument1->Version);//1.0
    ShowMessage(XMLDocument1->Encoding);//gb2312

    //另外，这两个属性都是可写的，譬如:
    XMLDocument1->Encoding="UTF-8";
    Memo1->Lines=XMLDocument1->XML;
    ShowMessage("已经设置为为UTF-8");
    Memo1->Clear();
    XMLDocument1->Encoding="gb2312";
    Memo1->Lines=XMLDocument1->XML;
    ShowMessage("已经设置为为gb2312");
}
//---------------------------------------------------------------------------