Mega Code Archive
How to get the IP Address behind a routerproxy (2)
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Title: How to get the IP-Address behind a router/proxy? (2)
unit Main;
interface
uses
Windows, Messages, SysUtils, Variants, Classes,
Graphics, Controls, Forms, Dialogs, Psock,
NMHttp, StdCtrls, ExtCtrls, Menus, About,
Winsock, ComCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
NMHTTP1: TNMHTTP;
Memo1: TMemo;
Edit1: TEdit;
MainMenu1: TMainMenu;
File1: TMenuItem;
Exit1: TMenuItem;
Bevel1: TBevel;
Bevel2: TBevel;
procedure Button1Click(Sender: TObject);
procedure Exit1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
uses ClipBrd;
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
var
InetIP: string;
WebAddress, SearchString: string;
Buff, P, FT: PChar;
BuffLen: Word;
StartPos, StringLength, TempInt: Integer;
begin
WebAddress := 'http://www.whatismyip.com/';
SearchString := 'Your ip is ';
Memo1.Clear;
try
NMHTTP1.Get(WebAddress);
except
on E: Exception do
begin
MessageDlg('Could not get IP Address! ' +
'Please ensure you are connected to ' +
'the Internet.', mtError, [mbOK], 0);
end;
end;
Memo1.Text := NMHTTP1.Body;
Memo1.SelStart := 0;
GetMem(FT, Length(SearchString) + 1);
StrPCopy(FT, SearchString);
BuffLen := Memo1.GetTextLen + 1;
GetMem(Buff, BuffLen);
Memo1.GetTextBuf(Buff, BuffLen);
P := Buff + Memo1.SelStart + Memo1.SelLength;
P := StrPos(P, FT);
if P = nil then MessageBeep(0)
else
begin
Memo1.SelStart := P - Buff;
Memo1.SelLength := Length(SearchString);
end;
StringLength := Memo1.SelLength;
StartPos := Memo1.SelStart + StringLength;
tempint := StartPos;
InetIP := '';
while ((Buff[TempInt] in ['0'..'9']) or
(Buff[TempInt] = '.')) do
begin
InetIP := InetIP + Buff[TempInt];
tempint := tempint + 1;
end;
FreeMem(FT, Length(SearchString) + 1);
FreeMem(Buff, BuffLen);
Edit1.Text := InetIP;
end;
procedure TForm1.Exit1Click(Sender: TObject);
begin
Close;
end;
end.
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