从当前的欣赏器取恰当前URL

看了一篇同名的文章，是用Delphi写的。试了今后结果还行，主要是操作了TDdeClientConv，于是改成CB版的贴出来。蓝色字符为手动添加的。

Unit1.Cpp

//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(Tcomponent* Owner)
: Tform(Owner)
{
}
//---------------------------------------------------------------------------
String TForm1::Get_URL(AnsiString Servicio)
{
TDdeClientConv *Cliente_DDE=new TDdeClientConv(NULL);
char *temp;
Cliente_DDE->SetLink(Servicio,"WWW_GetWindowInfo");
temp=Cliente_DDE->RequestData("0xFFFFFFFF");
Cliente_DDE->CloseLink();
delete Cliente_DDE;
return String(temp);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(Tobject *Sender)
{
ShowMessage(Get_URL("Iexplore"));
}
//---------------------------------------------------------------------------
Unit1.H
//---------------------------------------------------------------------------
#ifndef Unit1H
#define Unit1H
//---------------------------------------------------------------------------
#include <Classes.hpp>
#include <Controls.hpp>
#include <StdCtrls.hpp>
#include <Forms.hpp>
#include "ddeman.hpp"
//---------------------------------------------------------------------------
class TForm1 : public Tform
{
　 __published: // IDE-managed Components
　　　 Tbutton *Button1;
　　　 void __fastcall Button1Click(Tobject *Sender);
　 private: // User declarations
　　　 String TForm1::Get_URL(AnsiString Servicio);
　 public: // User declarations
　　　 __fastcall TForm1(Tcomponent* Owner);
};
//---------------------------------------------------------------------------
extern PACKAGE TForm1 *Form1;
//---------------------------------------------------------------------------
#endif