Client Socket in BCB－史克威爾凱特的部落格

2018.07.21 update

====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)
{
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button1Click(TObject *Sender)
{
//連線
ClientSocket1->Host=Edit1->Text;
ClientSocket1->Port=atoi(Edit2->Text.c_str());
ClientSocket1->Open();
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button2Click(TObject *Sender)
{
//離線
ClientSocket1->Socket->Close();
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button3Click(TObject *Sender)
{
//傳送訊息
ClientSocket1->Socket->SendText(Edit3->Text);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::ClientSocket1Error(TObject *Sender,
TCustomWinSocket *Socket, TErrorEvent ErrorEvent, int &ErrorCode)
{
if(ErrorCode==10061)
{
Memo1->Lines->Add("伺服器未開啟");
ErrorCode=0;
}
}
//---------------------------------------------------------------------------

void __fastcall TForm1::ClientSocket1Read(TObject *Sender,
TCustomWinSocket *Socket)
{
//顯示訊息
Memo1->Lines->Add(Socket->ReceiveText());
}
//---------------------------------------------------------------------------

====Unit1.h====

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

#ifndef Unit1H
#define Unit1H
//---------------------------------------------------------------------------
#include <Classes.hpp>
#include <Controls.hpp>
#include <StdCtrls.hpp>
#include <Forms.hpp>
#include <ScktComp.hpp>
//---------------------------------------------------------------------------
class TForm1 : public TForm
{
__published:   // IDE-managed Components
TLabel *Label1;
TLabel *Label2;
TEdit *Edit1;
TEdit *Edit2;
TButton *Button1;
TButton *Button2;
TButton *Button3;
TMemo *Memo1;
TEdit *Edit3;
TClientSocket *ClientSocket1;
void __fastcall Button1Click(TObject *Sender);
void __fastcall Button2Click(TObject *Sender);
void __fastcall Button3Click(TObject *Sender);
void __fastcall ClientSocket1Error(TObject *Sender,
TCustomWinSocket *Socket, TErrorEvent ErrorEvent,
int &ErrorCode);
void __fastcall ClientSocket1Read(TObject *Sender,
TCustomWinSocket *Socket);
private:   // User declarations
public:       // User declarations
__fastcall TForm1(TComponent* Owner);
};
//---------------------------------------------------------------------------
extern PACKAGE TForm1 *Form1;
//---------------------------------------------------------------------------
#endif