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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. |
