Folks,
Hi. You guys may want to know the solution to this issue. If you call
TWebBrowser.ExecWB, after it returns, you will find that the EmptyParam
global variable is no longer the same value. It gets set to Unassigned.
There is a bug logged on Quality Central:
John,
Hi. What I'd suggest is you use FILE_NOTIFY_CHANGE_FILE_NAME. Program A
creates the file and writes to it using a temporary filename. When it is
done writing, it renames the file to something that program B recognises.
This will trigger a FILE_NOTIFY_CHANGE_FILE_NAME and B can then
John,
Hi. What you want to use is WinAPI: FindFirstChangeNotification,
FindNextChangeNotification and FindCloseChangeNotification in program B.
Essentially, A writes to a file, and renames it. This causes the handle
returned by FindFirstChangeNotification to be signaled. You can test for
Hi. Check out Virtual Treeview http://www.soft-gems.net/. Very fast and
very flexible. The programming paradigm is different, so there is a leaning
curve. But once you get over that, you will find that it is the best
treeview / grid component ever.
Regards,
Dennis.
Python for Delphi works very well. Python is open sourced and there is
great support.
Javascript (and vbscript) via Windows Script work fine too. Not as
functional as Python but there is a bigger user base.
--
From: Alistair Ward
John,
Hi. If you do not use data aware controls, or otherwise need TDataset, then
I would recommend that you use ADO directly. Fast, simple, and does not
have the overhead of TADOConnection, etc. I normally import the type
library into Delphi, but you can also use the one that comes with
I don't belief it ... there are actually people still using Delphi 4. It
has to be the next most buggy version of Delphi apart from 8. You can even
get different EXEs just by compiling at different times of the day!
My advise then would be for you to upgrade, even if it is just to get a more
A better PDF creator is Primo - just google for Primo PDF. Its freeware and
produces better quality output.
- Original Message -
From: John [EMAIL PROTECTED]
To: 'NZ Borland Developers Group - Delphi List' delphi@delphi.org.nz
Sent: Thursday, November 08, 2007 8:09 PM
Subject:
Try Python for Delphi. It can do all that you want below, plus a lot more.
And besides, the price is right!
- Original Message -
From: David Brennan [EMAIL PROTECTED]
To: DUG delphi@delphi.org.nz
Sent: Wednesday, October 24, 2007 4:18 PM
Subject: [DUG] Expression Parser/Evaluator
To see the contents of a string list, a quick way (turn on allow function
calls):
srcTemplateInputLines.Text or
srcTemplateInputLines.CommaText
to see an individual element:
srcTemplateInputLines[0], or srcTemplateInputLines[1], ...
- Original Message -
From: John Bird [EMAIL
Why don't you use automation to get access to the browser application
object. From there you can use the HTML Dom to get access to the status bar
text.
- Original Message -
From: Phil Scadden [EMAIL PROTECTED]
To: delphi@delphi.org.nz
Sent: Monday, July 30, 2007 2:57 PM
Subject:
PROTECTED]
On
Behalf Of Dennis Chuah
Sent: 30 July 2007 18:49
To: NZ Borland Developers Group - Delphi List
Subject: Re: [DUG] Pulling status bar text off another application
Why don't you use automation to get access to the browser application
object. From there you can use the HTML Dom to get
: Thursday, July 26, 2007 9:35 AM
Subject: Re: [DUG] basic question
On 7/26/07, Dennis Chuah [EMAIL PROTECTED] wrote:
... A constructor always instantiates an instance.
Unless the constructor raises an exception.
___
NZ Borland Developers Group - Delphi
of this.
On 7/26/07, Dennis Chuah [EMAIL PROTECTED] wrote:
A constructor ALWAYS creates an instance, even if it encounters an
exception. The implicit exception handling code then finalises the
instance.
___
NZ Borland Developers Group - Delphi mailing
It is called a constructor ... subtle differences, but *significant*. Eg.,
you cannot return a Nil from a constructor. A constructor always
instantiates an instance.
As for the use of class methods ... plenty. Eg., use it to replace unit
procedures and functions. Use it to implement
Another custom component question
Why don't you simply create two components?
- Original Message -
From: [EMAIL PROTECTED]
To: Multiple recipients of list delphi
Sent: Friday, November 14, 2003 9:14 AM
Subject: [DUG]: Another custom component question
Hi all
I drop my custom TTable
Hmmm... strange problem. The Clipbrd unit is quite small and simple, but
then again, you are dealing with a M$ product, so anything can happen.
As a hack, why don't you simply copy the unit and put that into your
package. You will need to give it a new unit name as the unit name space is
Message Is the below code a memory leak?
procedure TSam.Samuel;
var
e: Exception;
begin
e := Exception.Create('Foobar');
end;
Yes, every time the method is called.
Is the below code okay?
procedure TSam.TrySamuel;
var
e: Exception;
begin
e := Exception.Create('Foobar');
if FItemsnil then FItems.Free;
does nothing more than FItems.Free
There is nothing wrong in that line of code - the items list is being
freed - if you are getting an exception there, it might indicate that you
are either freeing the menu twice, or there might have been some memory
corruption.
guesses
Perhaps you need to preserve cookies?
Perhaps the cgi / servlet only expects POST?
Are you having to go through a proxy server?
/guesses
- Original Message -
From: [EMAIL PROTECTED]
To: Multiple recipients of list delphi [EMAIL PROTECTED]
Sent: Wednesday, November 12, 2003 2:41
To open source, you first need to decide which open source license to use.
There are many variations, but essentially most of them boil down to
variants of either MPL or GPL.
You can create a project in SourceForge (http://sourceforge.net) - put your
code there and its effectively open source.
Message
TCustomControl is already a descendent of TWinControl.
Haven't had this happen to me before, but check the ControlState property.
Also how are you setting the focus to the control. Try using the keyboard
(TAB key), or do it in code (SetFocus, ActiveControl). Do you handle the
Actually, this is a misconception. The compiler cannot fold the code
because Option.ItemIndex accesses a property, which translates to a method
call, and therefore can have side-effects. (Yes folks, all property
accesses are method calls, even if no accessor methods are defined and the
property
be noticeable but if one is more efficient than the other then why
not
use it from now on.
Is it more efficient to store the value in a local boolean variable before
applying to several components?
Regards,
Ross.
- Original Message -
From: Dennis Chuah [EMAIL PROTECTED]
To: Multiple
Message
SQL Server uses the same database structure as MSDE, so should be
compatible.
If you are not using any new stuff in MSDE2000, the database should be
backwards compatible. I usually script the database and run the script
during installation. You can also run MSDE / SQL server in
Gary,
Download MemProof - its pretty good for locating memory leaks. GpProfiler
is a another pretty good product, except it does not do packages.
Dennis.
- Original Message -
From: GARY T BENNER [EMAIL PROTECTED]
To: Multiple recipients of list delphi [EMAIL PROTECTED]
Sent: Monday,
Download MSXML 4 from Microsoft (or get it from MSDN). Version 4 has more
features and a few bugs fixed. Install it and use Delphi to create a PAS
unit from the type library (msxml2_tlb).
// Include the PAS unit into your unit.
uses SysUtils, Classes, msxml2_tlb, Variants, ActiveX;
var
dom:
A batch in SQL server is basically one or more queries executed in series by
one database connection.
- Original Message -
From: Robert martin [EMAIL PROTECTED]
To: Multiple recipients of list delphi [EMAIL PROTECTED]
Sent: Tuesday, October 07, 2003 11:49 AM
Subject: Re: [DUG]: Fw: MSDE
-
From: Dennis Chuah [EMAIL PROTECTED]
To: Multiple recipients of list delphi [EMAIL PROTECTED]
Sent: Wednesday, October 08, 2003 1:41 PM
Subject: Re: [DUG]: Fw: MSDE tool
A batch in SQL server is basically one or more queries executed in
series
by
one database connection
You do not have to develop in SQL server, you can use MSDE. Install the SQL
server client tools that come with Small Business Server - the client
installation is separate from the server install.
- Original Message -
From: Robert martin [EMAIL PROTECTED]
To: Multiple recipients of list
When you create the frame at run time, set the owner of the frame to the tab
sheet.
- Original Message -
From: Paul Mckenzie
To: Multiple recipients of list delphi
Sent: Friday, October 03, 2003 8:55 AM
Subject: [DUG]: Frames
I have an Application in which I create and delete TabPages
methods but I am reading properties. Should I
copy the value of all properties into say global variables before calling
the thread?
Regards,
Ross Levis.
- Original Message -
From: Dennis Chuah [EMAIL PROTECTED]
To: Multiple recipients of list delphi [EMAIL PROTECTED]
Sent: Wednesday
Message
Not sure if this will fix your problem, but there is a bug in the VCL - when
toolbars are loaded in a form, in some instances, the associated image list
becomes unassigned. The workaround is to reassign the image list in the
FormShow - but only do it once per form.
- Original Message
The VCL is not thread safe and parts of it are not re-entrant. You might
need to use synchronize to sync to your main thread before you call any VCL
methods.
- Original Message -
From: Ross Levis
To: Multiple recipients of list delphi
Sent: Wednesday, September 24, 2003 11:52 AM
Sounds like you may have a font size / scaling issue. Can you try setting
the form's Scaled property to False. This will display the form and its
controls at the same size as when they were designed, but the controls may
clip data - because the font size may be different.
Alternatively, you
at run
time
what plugins there are (looks for files in a directory). Is that what you
meant?
Phil.
- Original Message -
From: Dennis Chuah [EMAIL PROTECTED]
To: Multiple recipients of list delphi [EMAIL PROTECTED]
Sent: Thursday, September 18, 2003 7:19 AM
Subject: Re: [DUG]: Sharing
PROTECTED]
web: http://www.software-solutions.co.nz
-Original Message-
From: Dennis Chuah [mailto:[EMAIL PROTECTED]
Sent: Thursday, 18 September 2003 7:29 a.m.
To: Multiple recipients of list delphi
Subject: [DUG]: Sending emails with Outlook
Folks,
I am currently using automation
Ah, another virus author... :)
SMTP should be as reliable (or unreliable as the case may be) as MAPI,
because at end of the day, SMTP is the mechanism where emails are forwarded
in the internet, and SMTP does not guarantee delivery. In fact, there is
also no guarantee that you will get a bounced
Phil,
You cannot share a DC between different processes - because they are in
different address space. However, you can try to FindWindow to look for the
window handle, and obtain a DC to paint on its surface.
The other suggestion is to use an in-process (ie Active-X DLL) server.
Dennis.
Folks,
I am currently using automation to send emails using Outlook (no, I am not
writing the next killer virus) and it works fine. But with the security
upgrade and Outlook 2002, Outlook pops up a series of confirmation dialog
boxes (presumably to allow the user to stop virii from using
Not sure if this will work, but it is worth a try. Create a sub-class of
TButton and override the CreateParams method:
procedure TButtonNew .CreateParams(var Params: TCreateParams);
begin
inherited;
Params.Style := Params.Style or BS_LEFTTEXT;
end;
BS_LEFTTEXT is declared in the Windows
Yes, use RTTI - here is a simple example:
type
TDog = class (TComponent)
private
FColour: TColor;
FSize: Integer;
published
property Colour: TColor read FColor write FColor;
property Size: Integer read FInteger write FInteger;
end;
To clone this, you simply:
var
stm: TTStream;
Pass the form's handle, not the menu bar's.
- Original Message -
From: Vaughan, Benjamin Carl [EMAIL PROTECTED]
To: Multiple recipients of list delphi [EMAIL PROTECTED]
Sent: Monday, August 25, 2003 1:11 PM
Subject: [DUG]: GetMenuBarInfo
Hi,
I am currently attempting to get the size
There is probably no generic best method - it all depends on what you want
to do with the data. A few examples are:
1. Use dynamic arrays like you suggested. This is simple and does not
violate any OO programming methodologies. Ie., it is OK to use dynamic
arrays with OO.
2. Use
It could also be a Graph structure - the child may need to know about its
parent. It all depends on how the data is going to be used, but lets not
confuse Dave too much :).
- Original Message -
From: Leigh Wanstead
To: Multiple recipients of list delphi
Sent: Wednesday, August 06, 2003
and if there is a device not catered
for, I will just have to release a new EXE.
BUT I still have one or 2 other ideas to look at too as well tho.
Jeremy
-Original Message-
From: Dennis Chuah [EMAIL PROTECTED]
To: Multiple recipients of list delphi [EMAIL PROTECTED]
Date: Wed, 6 Aug 2003 08:06:38 +1200
Message
Design: Use interfaces or an abstract base class. Define the methods that
do the data conversion in the interface / abstract base class.
For each dat conversion method, create a concrete class that either
implements the interface or sub-classes the abstract base class.
Implementation:
I tend to avoid the registry like plague. It is slow, has all sorts of
permissions issues and is not suitable for storing larger amounts of data
(you can run out of registry storage space). Also I find too many programs
stuff keys in the registry, bloating it up and making it unmanageable.
No, you cannot do it with a simple cast.
var
Newfile:string;
temp: TStringList;
begin
temp := TStringList.Create;
try
temp.Text := Newfile;
success := Burnfiles (temp);
finally
temp.Free;
end;
- Original Message -
From: Alistair George [EMAIL PROTECTED]
To:
May be asking the obvious but is the Boo property of TNamMessageForComms
published and not read-only? Which version of Delphi are you using? Also,
is TNamMessageForComms a TComponent?
- Original Message -
From: Donovan J. Edye [EMAIL PROTECTED]
To: Multiple recipients of list delphi
popen is a function in Visual C's library. Basically, it creates a pipe,
executes the process, cdrecord -atip, and redirect its output to the pipe.
Unfortunately Delphi does not have a popen in the VCL, but you can achieve
the same using a few lines of code that makes WinAPI calls. The
I don't normally reply to non-technical messages like this to the list, but
I make an exception for this one because I think it might be of benefit to
others. If you object, please delete this message.
Ben,
Why don't you simply set your mail filtering rules to move all messages to
your Deleted
var
A: array of TVarRec;
Just beware - it is not as simple as it seems. For one, you will need to
make sure strings referred to by TVarRec remains active until after the call
to Format.
- Original Message -
From: Neven MacEwan [EMAIL PROTECTED]
To: Multiple recipients of list delphi
Take a look at open sourced VirtualExplorerTree at
http://groups.yahoo.com/group/VirtualExplorerTree/.
or TurboPower Shell Shock (now open source) at
http://sourceforge.net/projects/tpshellshock/
- Original Message -
From: [EMAIL PROTECTED]
To: Multiple recipients of list delphi
Sent:
Delphi handles typed constants just like any variables. The only difference
is typed constants can have an initial value, which you can then safely
change. Don't worry about overwriting string memory because internally,
string variables are pointers to the string data. So, changing the string
Let me simplify your example:
type
TNewClass = class(TInterfacedObject,ISecondDescendant);
var
First: IFirstDescendant;
Second: ISecondDescendant;
Second := TNewClass.Create; // Line 1
First := Second; // Line 2
The above compiles and works fine. Line 1 actually performs 2
One danger with hand optimising ASM code is illustrated by your example. In
the generated code:
mov byte ptr [eax+$304], $0
writes 0 to BYTE location [eax+$304], whereas you
mov [eax+$304], edx
writing a DWORD into location [eax+$304], possibly overwriting memory.
This sort of bugs can be
Simple answer is no. Your class *DOES NOT* support IFirstDescendant. You
must explicitly tell the compiler that your class supports IFirstDescendant:
TNewClass = class(TInterfacedObject,IFirstDescendant,ISecondDescendant)
Interface inheritance is *DIFFERENT* from class inheritance. The idea
What you read only applies to const parameters. I would continue to use
method level consts and not move them to the unit level. In fact, I *never*
use unit level vars, except for the Delphi generated main form code. Using
method level is safer than unit level vars.
Eg. in multi-threading
colour while others (especially new windows) display in the new
colours.
Regards,
Dennis.
- Original Message -
From: Moretti, Giovanni [EMAIL PROTECTED]
To: Dennis Chuah [EMAIL PROTECTED]
Sent: Tuesday, June 10, 2003 10:44 AM
Subject: Setting Windows Scheme Colours from Delphi - how?
Hi
A JPEG file usually uses a compression algorithm that is not losses,
meaning, when you reconstruct the bitmap from a JPEG file it is different
from the original bitmap from which the JPEG was created. This is done so
as to achieve compression rates that are higher than loss-less compression
: Re: [DUG]: PostMessage
Denis
Thanks, that would prob work
mind you shouldn't that be for f := 0 to Screen.FormCount-1 do
our were you just testing me :-)
Neven
- Original Message -
From: Dennis Chuah [EMAIL PROTECTED]
To: Multiple recipients of list delphi [EMAIL PROTECTED
Throw away the TWebBrowser implementation that comes with Delphi and take a
look at this alternative:
http://www.euromind.com/iedelphi/
Dennis.
- Original Message -
From: Moretti, Giovanni [EMAIL PROTECTED]
To: Multiple recipients of list delphi [EMAIL PROTECTED]
Sent: Tuesday, March
HWND_BROADCAST only works with SendMessage.
Try this code instead:
var
f: Integer;
begin
for f := 0 to Screen.FormCount do
Screen.Forms[f].Perform (WM_APPDATACHANGE, 0, 0);
Dennis.
- Original Message -
From: Neven MacEwan [EMAIL PROTECTED]
To: Multiple recipients of list
You will need a second thread to solve your problem. In a nutshell:
1. Display a modal dialogbox with a cancel button - this provides your
block.
2. Run the lengthy process on a separate thread, but at regular intervals,
check that the thread is terminated, and if it is, exit out of the
I would create 3 packages, a runtime only package for the common units,
another runtime only package for the components and a design-time only
package for the property editor stuff.
- Original Message -
From: Donovan J. Edye
To: Multiple recipients of list delphi
Sent: Wednesday,
If a package only has components and does not contain any property editors
or code to register the components, then you OUGHT TO make it runtime only,
but you DONT HAVE TO. However, if a package refers to Delphi's design time
packages, then it MUST BE made a design-time only package. Does this
Call the WinAPI function DrawText (or it might have been DrawTextEx), and
one of the options is to shorten the string with an ellipsis. You can also
get DrawText to return the shortened string, rather than draw it on the
canvas.
Dennis.
- Original Message -
From: Nahum Wild [EMAIL
DrawMenuBar (Form.Handle);
- Original Message -
From: Paul Mckenzie
To: Multiple recipients of list delphi
Sent: Wednesday, January 15, 2003 1:30 PM
Subject: [DUG]: Repaint/Refresh/Invalidate ???
Does anyone know how to force a menu to repaint itself ?
Regards
Paul McKenzie
The font property of the tab is used as the default font for its child
controls if the ParentFont property is True. To display each tab
differently, you will need to handle the page control's OnTabDraw event and
draw the tab yourself (set OwnerDraw := True first).
Dennis.
- Original
Why don't you use owner drawn menu items? When you draw the last item, make
it large enough to accomodate the bitmaps, but draw the border so that the
menu looks like it stops at the last item.
- Original Message -
From: Paul Mckenzie
To: Multiple recipients of list delphi
Sent: Friday,
procedure SetData;
var
doc: IHTMLdocument2;
elem: IHTMLElement;
begin
doc := IE.document as IHTMLdocument2;
elem := doc.all.item('mycontrol',0) as IHTMLElement;
elem.value := 'SomeValue';
end;
In the HTML document:
form
input type=text id=mycontrol
HTH
Dennis.
-
It depends on the size of your loop. If you are going to be appeding a
great number of strings, then I would suggest a string buffer approach -
where each iteration of the loop writes one string into the string buffer,
while an int variable is incremented with the length of the string. Then
-
From: Dennis Chuah [EMAIL PROTECTED]
To: Multiple recipients of list delphi [EMAIL PROTECTED]
Sent: Friday, November 01, 2002 9:36 AM
Subject: Re: [DUG]: Friday Challange
It depends on the size of your loop. If you are going to be appeding a
great number of strings, then I would
This is a hack but...
type
TInternalControl = class
(TControl);
TInternalGraphicsObject = class
(TGraphicsObject);
procedure setObjectColour (obj:
TObject;newColour: TColor);
begin
if obj is TControl then
TInternalControl
(obj).Color := newColour
else if obj is TGraphicsObject
then
You said the first bit is a hack. Well I don't see that you
used any blunt instruments in getting access to protected properties.
Just a little cheating.
It is a hack because it assumes that a base class can be safely cast into a
descendent. This is OK due to the nature of Delphi's code
Alistair,
Hi. You can download theme manager from the same place as you download
virtual tree view. All I do is to put both of them in the same directory,
build and register the tree's design time package. You will need to add the
dir to your project's search path. The tree view requires the
From memory, VB only supports apartment threading model. Depending on the
type of load your server is going to experience, you could try: Have a
worker thread that communicated with the VB COM object. The client
connection threads will need to place the data somewhere, then wait for the
worker
Virtual Tree from Mike Lischke
(http://www.delphi-gems.com/VirtualTreeview/VT.php) has built in support for
checkboxes. I think there is a derivative that shows the contents of
directories as well - take a look at
http://www.delphi-gems.com/VirtualTreeview/VTGallery.php.
Dennis.
- Original
I stepped through your code and it *DEFINITELY* calls TMetadata.Create.
What you have done looks correct and this is certainly not a polymorphism
pproblem. Few suggestions:
1. Check that you do not have $(DELPHI)\Lib in your project path - it
should only be in the global library path.
2. What
the
is-operator would have done a much tidier job?
-Andreas
-Original Message-
From: [EMAIL PROTECTED] [mailto:owner-delphi;delphi.org.nz]On
Behalf Of Dennis Chuah
Sent: Friday, 18 October 2002 07:14
To: Multiple recipients of list delphi
Subject: Re: [DUG]: polymorphism problem
I
of list delphi [EMAIL PROTECTED]
Sent: Friday, October 18, 2002 9:10 AM
Subject: RE: [DUG]: polymorphism problem
-Original Message-
From: Dennis Chuah [mailto:dennis_cs_chuah;hotmail.com]
Sent: Friday, 18 October 2002 7:14 a.m.
To: Multiple recipients of list delphi
Subject: Re: [DUG
I guess you are using VB3 or a 16-bit version of VB. If that is the case,
then the variable sizes are:
boolean - 2 bytes (-1 = true, 0 = false)
integer - 2 bytes
string * n - fixed length strings of n bytes
total = 45 bytes
In BP7:
Boolean - not quite sure about the size in BP7, but in D1 I
You probably need a newer version of Comctl32.dll for the Win98 machine.
Dennis.
- Original Message -
From: Ross Levis [EMAIL PROTECTED]
To: Multiple recipients of list delphi [EMAIL PROTECTED]
Sent: Wednesday, October 16, 2002 3:16 PM
Subject: [DUG]: Toolbutton tbsCheck not working
There is no direct resume next support in Delphi, but Delphi does support
goto's. Having said that, in my many years of programming in Delphi and
before that in Turbo Pascal, I have never had to use the goto statement.
VB does not support structured exception handling (SEH), so you end up
tblCompany.Edit;
tblCompany.FieldByName('name').Value := txtNewValue.Text;
tblCompany.Post;
txtNewValue.Text := '';
txtHoneyPot.SetFocus;
btnSaveEdit.Visible := false;
txtNewValue.Visible := false;
The line that is causing you grief is btnSaveEdit.Visible := false;.
Because IntToStr(Value: Integer) is faster (and smaller) than
IntToStr(Value: Int64) - Delphi (apart from Delphi.NET) generates code for
32-bit processors, and thus any 64-bit code will require more CPU cycles.
The linker is also able to optimise out the functions that are not
referenced, thus
If you are using D6, then it is a known debugger bug. If you watched any
Int64 variable, you always end up with 0.
Dennis.
- Original Message -
From: Donovan J. Edye [EMAIL PROTECTED]
To: Multiple recipients of list delphi [EMAIL PROTECTED]
Sent: Thursday, August 08, 2002 3:18 PM
Factory methods is the way to go. Personally, I prefer to use factory
classes (actually factory interfaces). You certainly don't want to limit
your design to inherit all implementation classes from the same base class,
though, sometimes, it can be helpful to have an abstract base class that
John,
The first form is a typed constant. Delphi allocates a string variable and
assigns it the value 'This is a test'. Depending on your compiler options
(Assignable typed constants), Delphi may or may not allow this variable to
be assigned. When you assign this to another variable, it is
Don't forget to hook the OnClick event of the label and change the radio
button when it is clicked.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, 17 October 2001 13:35
To: Multiple recipients of list delphi
Subject: RE: [DUG]: Autosize a
Robert,
Hi. That unfortunately is the nature of MDI - I tend to stay away from MDI
these days. In any case, you can make your child forms remember which state
they were in before, and when they next get activated, they can restore
themselves to their last state. The alternative is to disable
The following compiles with an error in D5.
type
TSomeObject = class
private
procedure GetA (msg: TMessage); overload; message 1;
function GetA: Integer; overload;
public
property A: Integer read GetA;
end;
It seems like D5's compiler is not able to correctly resolve the
Strings and WideString
method overloads now work). I think the function result is still
not checked
in D6.
Myles.
-Original Message-
From: Dennis Chuah [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, 26 September 2001 1:39 p.m.
To: Multiple recipients of list delphi
Subject: [DUG
Steve,
The OnExit event is called if the control loses the focus to another control
on the same form. The WM_KILLFOCUS message is handled by the base class and
if the above condition is met, it fires off the OnExit event. Like all
Windows applications, you will encounter problems if you cause
Use native drivers.
Don't use the native SQL Server driver as it is slow and full of bugs.
Also, if you use dbgrids and client side cursors, it keeps record locks on
SQL server until the user scrolls to the end of the recordset. This can
then cause problems on other machines needing to write
Matt,
Hi. You might like to send your CV to [EMAIL PROTECTED]
Regards,
Dennis.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Monday, 10 September 2001 18:28
To: Multiple recipients of list delphi
Subject: [DUG]: [Off Topic] Anyone know of an Entry Level
Ross,
You don't have to because Free is a static class procedure defined in
TObject, even if you cast the object, it would not have made a difference,
except if you reintroduced Free in your class. However, I would like to
point out a related issue. The default destructor of TObject (Destroy)
I would change the query and do:
Select count(*) as RecordCount from myTable where ID = 1
Then look at the value of the RecordCount field.
Regards,
Dennis.
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Sent: Friday, 24 August 2001 08:45
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Delphi Programmer
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