unit Unit1;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Sockets;type
TForm1 = class(TForm)
UdpSocketSend: TUdpSocket;
Memo1: TMemo;
Label1: TLabel;
Label2: TLabel;
Edit1: TEdit;
Button1: TButton;
HeIP: TEdit;
Label3: TLabel;
Label4: TLabel;
HePort: TEdit;
Label5: TLabel;
MyPort: TEdit;
Button2: TButton;
procedure UdpSocketSendReceive(Sender: TObject; Buf: PAnsiChar;
var DataLen: Integer);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementation{$R *.dfm}procedure TForm1.UdpSocketSendReceive(Sender: TObject; Buf: PAnsiChar;
var DataLen: Integer);
var
str:array[0..1000] of char;
begin
str:='';
UdpSocketSend.ReceiveBuf(str,DataLen);
Memo1.Lines.Add(str);
end;procedure TForm1.Button1Click(Sender: TObject);
var
strarr:array[0..1000] of char;
Str:string;
len:integer;
begin
Str:=Edit1.Text;
if length(str)=0 then len:=1 else len:=length(str);
StrpCopy(strarr,Str);
Memo1.Lines.Add(Edit1.Text);
UdpSocketSend.RemoteHost:=HeIP.Text;
UdpSocketSend.RemotePort:=HePort.Text;
UdpSocketSend.SendBuf(strarr,len);
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
UdpSocketSend.LocalPort:=MyPort.Text;
UdpSocketSend.RemoteHost:=HeIP.Text;
UdpSocketSend.RemotePort:=HePort.Text;
end;end.
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Sockets;type
TForm1 = class(TForm)
UdpSocketSend: TUdpSocket;
Memo1: TMemo;
Label1: TLabel;
Label2: TLabel;
Edit1: TEdit;
Button1: TButton;
HeIP: TEdit;
Label3: TLabel;
Label4: TLabel;
HePort: TEdit;
Label5: TLabel;
MyPort: TEdit;
Button2: TButton;
procedure UdpSocketSendReceive(Sender: TObject; Buf: PAnsiChar;
var DataLen: Integer);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementation{$R *.dfm}procedure TForm1.UdpSocketSendReceive(Sender: TObject; Buf: PAnsiChar;
var DataLen: Integer);
var
str:array[0..1000] of char;
begin
str:='';
UdpSocketSend.ReceiveBuf(str,DataLen);
Memo1.Lines.Add(str);
end;procedure TForm1.Button1Click(Sender: TObject);
var
strarr:array[0..1000] of char;
Str:string;
len:integer;
begin
Str:=Edit1.Text;
if length(str)=0 then len:=1 else len:=length(str);
StrpCopy(strarr,Str);
Memo1.Lines.Add(Edit1.Text);
UdpSocketSend.RemoteHost:=HeIP.Text;
UdpSocketSend.RemotePort:=HePort.Text;
UdpSocketSend.SendBuf(strarr,len);
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
UdpSocketSend.LocalPort:=MyPort.Text;
UdpSocketSend.RemoteHost:=HeIP.Text;
UdpSocketSend.RemotePort:=HePort.Text;
end;end.
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