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unit strmdem;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, NMStrm,
  ExtDlgs, StdCtrls, Psock, ExtCtrls, ComCtrls, ScktComp;

type
  TForm1 = class(TForm)
    Panel1: TPanel;
    Image1: TImage;
    Button1: TButton;
    NMStrm1: TNMStrm;
    Edit1: TEdit;
    Label1: TLabel;
    Edit2: TEdit;
    Label2: TLabel;
    StatusBar1: TStatusBar;
    Timer1: TTimer;
    ServerSocket1: TServerSocket;
    procedure Button1Click(Sender: TObject);
    procedure NMStrmServ1MSG(Sender: TComponent; const sFrom: String;
      strm: TStream);
    procedure Button2Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure NMStrm1Connect(Sender: TObject);
    procedure NMStrm1Disconnect(Sender: TObject);
    procedure NMStrm1HostResolved(Sender: TComponent);
    procedure NMStrm1Status(Sender: TComponent; Status: String);
    procedure NMStrm1PacketSent(Sender: TObject);
    procedure NMStrm1InvalidHost(var handled: Boolean);
    procedure NMStrm1ConnectionFailed(Sender: TObject);
   
    procedure NMStrmServ1Status(Sender: TComponent; Status: String);
    procedure Timer1Timer(Sender: TObject);
    procedure ServerSocket1ClientRead(Sender: TObject;
      Socket: TCustomWinSocket);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}
function GetScreenShot: TBitmap; 
var 
  Desktop: HDC; 
begin 
  Result  := TBitmap.Create; 
  Desktop := GetDC(0); 
  try 
    try 
      Result.PixelFormat := pf32bit; 
      Result.Width       := Screen.Width; 
      Result.Height      := Screen.Height; 
      BitBlt(Result.Canvas.Handle, 0, 0, Result.Width, Result.Height, Desktop, 0, 0, SRCCOPY); 
      Result.Modified := True; 
    finally 
      ReleaseDC(0, Desktop); 
    end; 
  except 
    Result.Free; 
    Result := nil; 
  end; 
end; 

procedure TForm1.Button1Click(Sender: TObject);
begin
Timer1.Enabled:=True;
end;

procedure TForm1.NMStrmServ1MSG(Sender: TComponent; const sFrom: String;
  strm: TStream);
var
  MyFStream: TFileStream;
begin
  If FileExists('c:\anna.bmp') then DeleteFile('c:\anna.bmp');
  MyFStream := TFileStream.Create('c:\anna.bmp', fmcreate);
    try
    MyFStream.CopyFrom(strm, strm.size);
  finally
    MYFStream.Free;
  end;
end;


procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  If FileExists('c:\anna.bmp') then DeleteFile('c:\anna.bmp');
end;

procedure TForm1.NMStrm1Connect(Sender: TObject);
begin
  StatusBar1.SimpleText := 'Connected';
end;

procedure TForm1.NMStrm1Disconnect(Sender: TObject);
begin
  If StatusBar1 <> nil then
    StatusBar1.SimpleText := 'Disconnected';
end;

procedure TForm1.NMStrm1HostResolved(Sender: TComponent);
begin
  StatusBar1.SimpleText := 'Host Resolved';
end;

procedure TForm1.NMStrm1Status(Sender: TComponent; Status: String);
begin
  If StatusBar1 <> nil then
    StatusBar1.SimpleText := status;
end;

procedure TForm1.NMStrm1PacketSent(Sender: TObject);
begin
  StatusBar1.SimpleText := IntToStr(NMStrm1.BytesSent)+' of '+IntToStr(NMStrm1.BytesTotal)+' sent';
end;

procedure TForm1.NMStrm1InvalidHost(var handled: Boolean);
var
  TmpStr: String;
begin
  If InputQuery('Invalid Host!', 'Specify a new host:', TmpStr) then
  Begin
    NMStrm1.Host := TmpStr;
    Handled := TRUE;
  End;
end;

procedure TForm1.NMStrm1ConnectionFailed(Sender: TObject);
begin
  ShowMessage('Connection Failed');
end;



procedure TForm1.NMStrmServ1Status(Sender: TComponent; Status: String);
begin
  If StatusBar1 <> nil then
    StatusBar1.SimpleText := status;
end;

procedure TForm1.Timer1Timer(Sender: TObject);
var
  MyFStream: TFileStream;
begin
DeleteFile('c:\anna.bmp');
   Image1.Picture.Bitmap := GetScreenShot;
   Image1.Picture.SaveToFile('c:\anna.bmp');

    NMStrm1.Host := Edit2.Text;
    NMStrm1.FromName := Edit1.Text;
    MyFStream := TFileStream.Create('c:\anna.bmp',fmopenreadwrite);
    try
      NMStrm1.PostIt(MyFStream);
    finally
      MyFStream.Free;
    end;

  NMStrm1.Disconnect;
  end;

procedure TForm1.ServerSocket1ClientRead(Sender: TObject;
  Socket: TCustomWinSocket);
begin
  s := Socket.ReceiveText;
  if s = 'start' then Button1.Click;
end;

end.                    

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var MyJPG:TJPEGImage;
begin
  MyJPG:=TJPEGImage.Create;
  try
    MyJPG.Assign(Image1.Picture.Graphic);
    MyJPG.SaveToFile('C:\Test.jpg');
    Image2.Picture.LoadFromFile('C:\Test.jpg');
  finally
    MyJPG.Free;
  end;
end;