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Solved

Windows NT dont shut down

Posted on 2000-04-09
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Medium Priority
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Last Modified: 2010-04-04
Following Problem:
1. New Application.
2. Use a NMPOP3 Component (Delphi Prof. or Delphi Client Server)
3. My Source Code

Prozedur "WMSysCommand"
unit Unit1;

interface

uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, Psock, NMpop3;

type
TForm1 = class(TForm)
NMPOP31: TNMPOP3;
private
Procedure WMSysCommand(var Message: TWMSysCommand); message WM_SysCommand;
{ Private-Deklarationen }
public
{ Public-Deklarationen }
end;

var
Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.WMSysCommand(var Message: TWMSysCommand);
begin
inherited;
end;

end.

Coded in D4 and D5.
Windows NT with SP5 dont shutdown.
Why?
What can i do that Windows NT shuts down?
There are no Problems with Win 9x
0
Comment
Question by:Albion
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11 Comments
 
LVL 9

Expert Comment

by:ITugay
ID: 2697541
I don't see any code in your sample to shutting down OS. I miss something?
----
Igor.
0
 

Author Comment

by:Albion
ID: 2697626
i dont want to shutdown NT by my programm.
if my application runs and i want to shutdown NT manuel, that dosent work.
i dont want sghut down NT with my Application.
0
 
LVL 9

Expert Comment

by:ITugay
ID: 2697657
I can't understand. Do you need to close your application if NT is about shutting down?

(Tu voulez fermer le programme si NT finit le travail?)
(Du willst das eigene Programm zumachen falls NT die Arbeit beendet?)

------
Igor.
0
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Author Comment

by:Albion
ID: 2697662
fein deutsch ...
folgendes ...
sobald du in delphi die elemente benutzt, NMPOP3 Komponente und die Windowsmessages abfängst (ich leite sie einfach weitermit inherited, nur als beispiel)

fährt NT nicht mehr runter wenn du NT einfach ganz normal beenden willst.
d.h. meine application verhindert den shutdown von NT.

erstelle diese Application mal bei dir unter NT ...
starte die EXE-datei und versuche dann NT zu beenden.
NT bricht den shutdown einfach ab...

ich weis nur nicht wieso..
in meiner eigentlichen application fange ich dort das minimize ab ...

ich weiß einfach nicht warum NT den shutdown abbricht

albion
0
 
LVL 9

Expert Comment

by:ITugay
ID: 2697675
Jetzt habe ich verstanden. Jetzt werde ich das Experiment machen. Einen Moment....
0
 
LVL 17

Expert Comment

by:inthe
ID: 2697725
hello,
if windows wil not shutdown then i sugest to handle WMQueryEndSession to listen when windows wants to close and when windows wants to shutdown it will return a "ok then close" to windows

Regards Barry


type
  TForm1 = class(TForm)
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
   procedure WMQueryEndSession(var Msg: TWMQueryEndSession) ; message WM_QUERYENDSESSION ;
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  ok_to_close : boolean;

implementation

{$R *.DFM}

procedure TForm1.WMQueryEndSession(var Msg: TWMQueryEndSession);
const
  CAN_SHUTDOWN = 0 ;
  DONT_SHUTDOWN = 1 ;
begin
  inherited ;
  if ok_to_close then {ok_to_close is the global boolean}
  Msg.Result := CAN_SHUTDOWN
  else {if ok_to_close has been set to false then we would get here}
    Msg.Result := DONT_SHUTDOWN ;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
ok_to_close := true;
end;
0
 
LVL 9

Accepted Solution

by:
ITugay earned 600 total points
ID: 2697745
Man muß nicht NMPoP3.Disconnect benutzen falls du die Verbindung zuerst nicht erledigt hast. Falls du die Version NetMasters 5.3 jenes TForm1.onCloseQuery benutzst

Procedure TForm1. FormCloseQuery (Sender: Tobject; var CanClose: Boolean);
begin
   NMPoP31. Abort;
end;

Hi Barry,
there are bug in TNMPop3. I guess that WMQueryEndSession will never called under NT in this case. I tryed it before.

-----
Igor.

0
 
LVL 17

Expert Comment

by:inthe
ID: 2697783
yep most all netmasters comps arent so good better to use winshoes or f.piettes i reckon ;-)
0
 
LVL 9

Expert Comment

by:ITugay
ID: 2697988
Barry,
agree;)
0
 

Author Comment

by:Albion
ID: 2698162
War zwar nicht NMPOP.Abort, sonder NMPOP3.Free, aber letztendlich wars das ...

Die Connection hab ich zwar vorher schon gekillt, rechte aber wohl nicht ...

besten Dank!!!

cu & hus
Albion
0
 
LVL 9

Expert Comment

by:ITugay
ID: 2699496
Ist froh war zu helfen.
----
Igor.
0

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