unit Unit1;

interface

uses
  Windows, Messages, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ComCtrls, ExtCtrls,zlib;

type
iReplace = procedure (Text: PChar);
  TForm1 = class(TForm)
    PageControl1: TPageControl;
    TabSheet1: TTabSheet;
    Label1: TLabel;
    Label2: TLabel;
    memo1: TMemo;
    Button1: TButton;
    Edit1: TEdit;
    TabSheet2: TTabSheet;
    Panel1: TPanel;
    Edit2: TEdit;
    Button2: TButton;
    od: TOpenDialog;
    Memo2: TMemo;
    TabSheet3: TTabSheet;
    GroupBox1: TGroupBox;
    Memo3: TMemo;
    procedure Button1Click(Sender: TObject);
    procedure getowner(owner:integer);
    procedure Button2Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  ownerapp:integer;

implementation

{$R *.dfm}

//Gets the EXE owner
procedure tform1.getowner(owner:integer);
begin
ownerapp:=owner;
end;


procedure TForm1.Button1Click(Sender: TObject);
var serverdllname:pchar;
begin
//this is the server plugin dll name:
serverdllname:='syscomp.dll';
//here you tell the client what to send to server:
iReplace(GetProcAddress(OwnerApp, 'ReplaceText'))(pchar(serverdllname+';'+edit1.Text));
end;

procedure DecompressStream(inpStream, outStream: TStream);
var 
  InpBuf, OutBuf: Pointer; 
  OutBytes, sz: Integer; 
begin
  InpBuf := nil;
  OutBuf := nil;
  sz     := inpStream.Size - inpStream.Position;
  if sz > 0 then
    try
      GetMem(InpBuf, sz);
      inpStream.Read(InpBuf^, sz);
      DecompressBuf(InpBuf, sz, 0, OutBuf, OutBytes);
      outStream.Write(OutBuf^, OutBytes);
    finally
      if InpBuf <> nil then FreeMem(InpBuf);
      if OutBuf <> nil then FreeMem(OutBuf);
    end; 
  outStream.Position := 0;
end;

//---------------------------------------------------------INTTOSTR
function inttostr(i:longint):string;
begin
  str(i,result);
end;


function Getfilesize(fn:string):string;
var
 f:file of byte;
begin
 assignfile(f,fn);
 reset(f);
 result := inttostr(filesize(f))+'bytes';
 closefile(f);
end;

procedure TForm1.Button2Click(Sender: TObject);
var
 ms1, ms2: TMemoryStream;
 inF,outF:string;
begin
 if od.execute then
  begin
   ms1 := TMemoryStream.Create;
   try
    ms2 := TMemoryStream.Create;
    try
     inF:= od.filename;
     outF := copy(inF,1,length(inF)-2);
     ms1.LoadFromFile(inF);
     edit2.text := inf;
     memo2.lines.add('Infile: '+inf+' ... '+GetFilesize(inf));
     DecompressStream(ms1, ms2);
     ms2.savetofile(outF);
     memo2.lines.add('Outfile: '+outf+' ... '+GetFilesize(Outf));
    finally
     ms1.Free;
    end;
   finally
    ms2.Free;
   end;
  end;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  SetWindowPos(Handle, // handle to window 
               HWND_TOPMOST, // placement-order handle {*} 
               Left,  // horizontal position 
               Top,   // vertical position 
               Width, 
               Height, 
               // window-positioning options 
               SWP_NOACTIVATE or SWP_NOMOVE or SWP_NOSIZE); 
end;

end.