About Delphi Programming

Delphi Popup Menu With Different Item Heights (and Custom Graphics)

2009-12-04T03:00:13Z

in Delphi TIPS ::
If you need to have different heights for some of the menu items, in Delphi applications, you must turn to owner drawing. Here's how to draw a custom sized image for a popup menu item.

Read the full article to learn how to create a Popup Menu With Different Item Heights (and Custom Graphics)

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Delphi Popup Menu With Different Item Heights (and Custom Graphics) originally appeared on About.com Delphi Programming on Friday, December 4th, 2009 at 03:00:13.

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Display a Password Dialog when Restoring a Delphi Application from the TaskBar

2009-12-03T04:00:11Z

Advanced Delphi:: Suppose you have a data-critical type of application where you would not want a non-authored user to work with the data. What if you need to display a password dialog *before* the application is restored to make sure an authorized user is accessing it? Here's how to do it in Delphi.

Read the full article to learn how to Display a Password Dialog when Restoring a Delphi Application from the TaskBar

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Display a Password Dialog when Restoring a Delphi Application from the TaskBar originally appeared on About.com Delphi Programming on Thursday, December 3rd, 2009 at 04:00:11.

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Rename a Directory / Folder Using Delphi Code

2009-12-01T07:19:14Z

in Delphi Directory Routines ::The RTL's RenameFile changes the name of a specified file. The implementation of the RenameFile function calls the MoveFile API function. MoveFile can rename folders, therefore Delphi's RenameFile can also rename folders and not only files. What's more RenameFile CAN move folders, also!

Read the full article to learn how to Use RenameFile to Rename a Directory

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Rename a Directory / Folder Using Delphi Code originally appeared on About.com Delphi Programming on Tuesday, December 1st, 2009 at 07:19:14.

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How to Hide / Show the Main Menu of a Delphi Application

2009-11-30T02:00:35Z

in Delphi TIPS :: The TMainMenu Delphi component does not expose the Visible property to let you show or hide the menu for a form programmatically, does it? It does not, but there is a way to hide the main menu for a Delphi form at run time. Here's how...

Read the full article to learn how to How to Hide / Show the Main Menu of a Delphi Application

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How to Hide / Show the Main Menu of a Delphi Application originally appeared on About.com Delphi Programming on Monday, November 30th, 2009 at 02:00:35.

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Display a LogIn Dialog Before the Main Form of a Delphi Application is Created

2009-11-27T03:00:16Z

in Advanced Delphi ::
If you need to implement some kind of authorization for your Delphi application you might want to display a login / password dialog *before* the main form is created and displayed to the user. In short, the idea would be to create, display, and destroy the "login" dialog before creating the main form.

Read the full article to learn how to Display a LogIn Dialog Before the Main Form of a Delphi Application is Created

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Display a LogIn Dialog Before the Main Form of a Delphi Application is Created originally appeared on About.com Delphi Programming on Friday, November 27th, 2009 at 03:00:16.

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How to Implement the OnCreate event for a Delphi TFrame object

2009-11-26T03:00:00Z

in Delphi TIPS ::
A frame, like a form, is a container for other components. Frames can be nested within forms or other frames, and they can be saved on the Component palette for easy reuse.

Once you start using frames, you'll note there's no OnCreate event you can use to initialize your frames.

Read the full article to learn How to Implement the OnCreate event for a Delphi TFrame object

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How to Implement the OnCreate event for a Delphi TFrame object originally appeared on About.com Delphi Programming on Thursday, November 26th, 2009 at 03:00:00.

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Change the Default Application Icon for a Console Mode Delphi Application

2009-11-24T07:48:20Z

in Console Mode Delphi Apps. :: By design, all console mode applications have the same icon (depends on the Windows version).
For a normal GUI application you can change the application icon using Project - Options - Application - Application Settings - Icon. For console mode applications this section is disabled - and thus all console mode application have a default icon.

Read the full article to learn how to Have a Different Icon for Your Delphi Console Mode Application in Windows Explorer

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Change the Default Application Icon for a Console Mode Delphi Application originally appeared on About.com Delphi Programming on Tuesday, November 24th, 2009 at 07:48:20.

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My Interview for The Podcast at Delphi.org Hosted by Jim McKeeth

2009-11-23T03:22:13Z

in Zarko Gajic :: I have been contacted by Jim McKeeth of the Delphi Podcast at Delphi.org for an interview on my Delphi programming related work. Jim runs the Delphi.org web site and his Delphi podcasts are a "must hear".

The idea for the interview came after my recent Delphi Legends 2009 SILVER Award. A BIG thanks to you, the community, one more time!

The interview took 2 days (2 Skype calls) to be recorded and lasts some 50+ minutes. Jim wanted to know what I think on:

How to run a Delphi programming web site,
Delphi development best practices,
Borland / Embarcadero, ...

Go to the podcast to listen to the interview "Jim McKeeth v.s. Zarko Gajic"

My Interview for The Podcast at Delphi.org Hosted by Jim McKeeth originally appeared on About.com Delphi Programming on Monday, November 23rd, 2009 at 03:22:13.

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Apply Custom Transparent Color for the TImage Delphi Control

2009-11-20T02:00:54Z

in Delphi TIPS ::
The Transparent property of the TImage Delphi control specifies whether the objects behind the image should show through the background of the image.

When Transparent is True, by design, the bottom-left pixel and all the pixels of the same color as "invisible".

If you do not want the color of the bottom-left pixel to specify which image color should be "transparent" - you can set the TransparentColor property programmatically.

Read the full article to learn how to Apply Custom Transparent Color for the TImage Delphi Control

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Apply Custom Transparent Color for the TImage Delphi Control originally appeared on About.com Delphi Programming on Friday, November 20th, 2009 at 02:00:54.

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Display Custom Hints for Delphi's TListView Sub Items

2009-11-19T02:00:38Z

in Delphi TIPS ::
You use the TListView Delphi control to display a list of items in a fashion similar to how Windows Explorer displays files and folders. The items can be displayed in columns with column headers and sub-i items, or vertically or horizontally, with small or large icons.

In most situations, when using the list view, you will need custom hints to be displayed for every list view item. What's more, a custom hint for every list view sub item might be required.

Read the full article to learn how to Display Custom Hints for TListView Sub Items

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Display Custom Hints for Delphi's TListView Sub Items originally appeared on About.com Delphi Programming on Thursday, November 19th, 2009 at 02:00:38.

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