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");
}
//---------------------------------------------------------------------------