[DUG]: D6 installation

2001-07-10 Thread [EMAIL PROTECTED] 

Having not installed two Delphi's on the same machine before ... Is it safe
to install D6 to directory ..\.Borland\D6\... given I have D5 in
...\Borland\D5\...?

Thanks

Russell Belding


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Re: Listbox items (Was: Re: [DUG]: array of TStringList)

2001-07-10 Thread Ross Levis 

Patrick Dunford wrote:

 {trimmed}
 Note that the Objects property still contains the reference until that list
 item is deleted.The question I am not at all sure about is whether Delphi
 frees the memory associated with each object reference when the list item is
 removed from the list.

Thanks Patrick for your detailed description of object lists.  I have now
successfully implemented linked objects to a listbox.  Regarding your question
above, I doubt very much Delphi frees the memory from the created objects.  If
there is a Create then surely there must be a Destroy.

Cheers,
Ross.



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Re: [DUG]: D6 installation

2001-07-10 Thread Deepak Shenoy 

 Having not installed two Delphi's on the same machine before ... Is it
safe
 to install D6 to directory ..\.Borland\D6\... given I have D5 in
 ...\Borland\D5\...?

Yes.

Deepak Shenoy
Agni Software
http://www.agnisoft.com

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[DUG]: TvarRec : Array of Const

2001-07-10 Thread James Low 

I want to modify a single item of an Array of TVarRec.

 I suspect I need to iterate through each element (except my nonidentical
element) and create a new Array to achieve this (I may need to change one
element before supplying the array to the TDataset.InsertRecord method). I
assume that SecondArray[1] := FirstArray[1] will copy elements across arrays
and that for the nonidentical element, rather than SecondArray[X] := 123, I
need to pass it a TvarRec.

Am I on the correct path here? Any pointers would be appreciated before I
trot down this path.

Thanks

James Low
Programmer
Baycom Software Laboratories
ph: 07 575 6602, fax 07 575 6616


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Re: Listbox items (Was: Re: [DUG]: array of TStringList)

2001-07-10 Thread Paul Lowman 

Ross

Delphi definitely does not free objects when the list is free'ed. So beware
!

Paul Lowman

Lowman Consulting Ltd.
Embedded Systems  Software

[EMAIL PROTECTED]

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RE: [DUG]: TvarRec : Array of Const

2001-07-10 Thread Stephen Barker 

James, your're from Baycom? Are they now a Delphi house?

Remember me to Bill George if he's still around - we were using his
accounting modules in our Aluminium Window system back in '82/'83 written in
dBase II under CP/M.

regards,
Steve

 -Original Message-
 From: James Low [mailto:[EMAIL PROTECTED]]
 Sent: Wednesday, 11 July 2001 09:23
 To: Multiple recipients of list delphi
 Subject: [DUG]: TvarRec : Array of Const
 
 
 I want to modify a single item of an Array of TVarRec.
 
  I suspect I need to iterate through each element (except my 
 nonidentical
 element) and create a new Array to achieve this (I may need 
 to change one
 element before supplying the array to the 
 TDataset.InsertRecord method). I
 assume that SecondArray[1] := FirstArray[1] will copy 
 elements across arrays
 and that for the nonidentical element, rather than 
 SecondArray[X] := 123, I
 need to pass it a TvarRec.
 
 Am I on the correct path here? Any pointers would be 
 appreciated before I
 trot down this path.
 
 Thanks
 
 James Low
 Programmer
 Baycom Software Laboratories
 ph: 07 575 6602, fax 07 575 6616
 
 
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[DUG]: Delphi 6 Registration

2001-07-10 Thread Eion McIntosh (CHCH) 

Hi  

We have loaded D6 Pro this morning and have been trying to register it. We
are using our Borland Community identity and
we are getting a Connection Failed when the registration is trying to
connection to the Registration Server.

As anyone had this and know how to get around it?   

Thanks 
Eion McIntosh
PPCS Ltd
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RE: [DUG]: Delphi 6 Registration

2001-07-10 Thread James Sugrue 

I go mine this morning too!
I tried using the register.borland.com site. Wasn't even finished

-Original Message-
From: Eion McIntosh (CHCH) [mailto:[EMAIL PROTECTED]] 
Sent: Wednesday, 11 July 2001 11:08
To: Multiple recipients of list delphi
Subject: [DUG]: Delphi 6 Registration


Hi  

We have loaded D6 Pro this morning and have been trying to register it. We
are using our Borland Community identity and we are getting a Connection
Failed when the registration is trying to connection to the Registration
Server.

As anyone had this and know how to get around it?   

Thanks 
Eion McIntosh
PPCS Ltd
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RE: [DUG]: Delphi 6 Registration

2001-07-10 Thread Eion McIntosh (CHCH) 

When I tried to see if I could do the registration online from Borland.com
and product information, it said 

'Delphi 6 Registration - Activated when you install your purchased copy of
Delphi 6'
Eion


 -Original Message-
 From: James Sugrue [SMTP:[EMAIL PROTECTED]]
 Sent: Wednesday, 11 July 2001 11:32
 To:   Multiple recipients of list delphi
 Subject:  RE: [DUG]:  Delphi 6 Registration
 
 I go mine this morning too!
 I tried using the register.borland.com site. Wasn't even finished
 
 -Original Message-
 From: Eion McIntosh (CHCH) [mailto:[EMAIL PROTECTED]] 
 Sent: Wednesday, 11 July 2001 11:08
 To: Multiple recipients of list delphi
 Subject: [DUG]: Delphi 6 Registration
 
 
 Hi
 
 We have loaded D6 Pro this morning and have been trying to register it. We
 are using our Borland Community identity and we are getting a Connection
 Failed when the registration is trying to connection to the Registration
 Server.
 
 As anyone had this and know how to get around it? 
 
 Thanks 
 Eion McIntosh
 PPCS Ltd
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RE: [DUG]: Delphi 6 Registration

2001-07-10 Thread Mark Derricutt 

What actually is this D6 Registration/Activatation?  Sounds something like 
the hideous Microsoft XP Activation stuff

--On Wednesday, July 11, 2001 11:47 AM +1200 Eion McIntosh (CHCH) 
[EMAIL PROTECTED] wrote:

 'Delphi 6 Registration - Activated when you install your purchased copy of
 Delphi 6'



-- 
Vi de udødelige inviterer dere til å slå dere sammen med oss

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RE: Listbox items (Was: Re: [DUG]: array of TStringList)

2001-07-10 Thread Patrick Dunford 

In my app I handled this (in a TListView) by writing an event handler for
the OnDeletion event. This allowed me to call the Clear method freely
without worrying about memory.

Referring to my previous code, this is the event handler:

procedure TMainForm.ServicesListDeletion(Sender: TObject; Item: TListItem);
var PLong:PLongInt;
//This event handler frees the dynamic variables allocated when the list
items were
//created. These variables are pointed to by each list item's Data property.
begin
 PLong:=PLongInt(Item.Data);
 if PLong  nil then
Dispose(PLong);
end;

Unfortunately there does not appear to be a similar way of handling the
deletion of items in a list or combo box.

In a TList as I noted you can simply override the destructor. Here is the
class I used in a reporting system:

TCounterList = class(TList)
[...]
   destructor Destroy; override;
   procedure Empty;
end;

and its implementation

destructor TCounterList.Destroy;
begin
Empty;
inherited Destroy;
end;

procedure TCounterList.Empty;
begin
while (Count 0) do begin
Items[Count-1].Free;
Delete(Count-1);
end;
end;

 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
 Behalf Of Paul Lowman
 Sent: Wednesday, 11 July 2001 09:29
 To: Multiple recipients of list delphi
 Subject: Re: Listbox items (Was: Re: [DUG]: array of TStringList)


 Ross

 Delphi definitely does not free objects when the list is free'ed.
 So beware
 !

 Paul Lowman

 Lowman Consulting Ltd.
 Embedded Systems  Software

 [EMAIL PROTECTED]

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