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Apply Custom Transparent Color for the TImage Delphi Control

Fri, 20 Nov 2009 02:00:54 +0000

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

Thu, 19 Nov 2009 02:00:38 +0000

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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Implementing the OnBeforeCreate and OnAfterCreate Events for Delphi Forms

Tue, 17 Nov 2009 06:01:19 +0000

in Delphi Forms :: The TForm's OnCreate event is called when the form is created. Usually, you would write an OnCreate event handler to perform special processing when the form is created - such as setting any startup information (initial control property values, for example) for form operation.

If you are using visual form inheritance to have forms that inherit from some "base" forms, you might need to execute custom "startup" code for each inherited form. What if you need to put some common code in the TBaseForm implementation that needs to be executed when all the code in the OnCreate event handlers is executed?

Read the full article to learn how to Override DoCreate to Implement OnAfterCreate / OnBeforeCreate

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Implementing the OnBeforeCreate and OnAfterCreate Events for Delphi Forms originally appeared on About.com Delphi Programming on Tuesday, November 17th, 2009 at 06:01:19.

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Count MDI Children By Their Class Name in Delphi MDI Applications

Mon, 16 Nov 2009 05:54:05 +0000

in MDI Development :: A user ("Commodianus") of the About Delphi Programming Forum posted a question Count MDI Children of Class: I have two types of MDI Child forms in my application. How might I go about counting each one? One is TFrmStatus the Other is FrmChannel. How do I know how many TFrmStatus children are alive?

Read the full article to learn how to Get the MDI Child Count By Child Class Name

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Count MDI Children By Their Class Name in Delphi MDI Applications originally appeared on About.com Delphi Programming on Monday, November 16th, 2009 at 05:54:05.

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Create Collapsible Code Blocks in Delphi Code Editor using the {$REGION} directive

Fri, 13 Nov 2009 02:00:42 +0000

in Delphi TIPS ::

In Delphi 2006 (both Win32 and .Net) you can apply a special {$REGION 'Region Name'} directive to mark a "named" collapsible regions in the code editor.

To mark code as a region, surround it with the REGION and ENDREGION directives. You may include a caption that will be displayed when the code is folded and hidden.

Read the full tip to learn how to Create Collapsible Code Blocks in Delphi Code Editor using the {$REGION} directive.

Create Collapsible Code Blocks in Delphi Code Editor using the {$REGION} directive originally appeared on About.com Delphi Programming on Friday, November 13th, 2009 at 02:00:42.

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Drawing on a TStatusBar's Panel Delphi control: Styling a Panel with Background Color, Font Color, Graphics

Thu, 12 Nov 2009 02:00:30 +0000

in VCL to the Max ::
To have a more eye-caching user friendly interface you might want to decide to add graphics, change the color and the font style of a StatusBar Panel. Delphi's owner drawing technique let's you do that. Learn how...

Read the full article the learn about Drawing on a TStatusBar's Panel Delphi control: Styling a Panel with Background Color, Font Color, Graphics.

Drawing on a TStatusBar's Panel Delphi control: Styling a Panel with Background Color, Font Color, Graphics originally appeared on About.com Delphi Programming on Thursday, November 12th, 2009 at 02:00:30.

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Challenge Results: UnCamelCaseThisString Delphi Algoritm

Tue, 10 Nov 2009 06:48:15 +0000

in Delphi Challenges :: The "UnCamelCase" challenge was a simple one, therefore I'm giving 5 points of fame and glory to all who participated :))

Some entries are faster some are slower, some use chars, some strings, some even use ASM...

Read the full article to learn who (you?) submitted accepted entries: Challenge Results: UnCamelCaseThisString Delphi Algoritm

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Challenge Results: UnCamelCaseThisString Delphi Algoritm originally appeared on About.com Delphi Programming on Tuesday, November 10th, 2009 at 06:48:15.

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Delphi / RAD Studio 2010 Launch in Zagreb, Croatia. Recap.

Mon, 09 Nov 2009 09:16:41 +0000

in Delphi 2010 Launch :: 13/10/2009. Delphi / RAD Studio launch in Zagreb, Croatia. Along with representatives of KONTO Pozega (local Embarcadero partner) a distributor for the Western Balkans, the new RAD Studio 2010 included special guests: Mr Mark Barringer, sales manager for Europe and senior consultant for database tools, and Mr. Pawel Glowacki, chief technician for RAD Studio for Europe within the Embarcadero. Here's a breakdown of the event.

Read the full article to get more on Delphi / RAD Studio 2010 Launch in Zagreb, Croatia.

Delphi / RAD Studio 2010 Launch in Zagreb, Croatia. Recap. originally appeared on About.com Delphi Programming on Monday, November 9th, 2009 at 09:16:41.

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Use an Icon for a Glyph on a TBitBtn Delphi control with the help of TImageList

Fri, 06 Nov 2009 02:00:23 +0000

in Delphi TIPS ::
The TBitBtn Delphi control is a button control that can include a bitmap on its face.

The Glyph property specifies the bitmap that appears on the bitmap button.

By design, the Glyph property can only display BMP (Windows Bitmap) images.

Read the full article to learn how to Use an Icon for a Glyph on a TBitBtn Delphi control with the help of TImageList

Use an Icon for a Glyph on a TBitBtn Delphi control with the help of TImageList originally appeared on About.com Delphi Programming on Friday, November 6th, 2009 at 02:00:23.

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Implementing the OnClick Event for a Panel on a TStatusBar Delphi control

Thu, 05 Nov 2009 02:00:08 +0000

in Using Delphi VCL ::
Delphi's TStatusBar control displays a row of panels, usually aligned at the bottom of a form. The Panels property of the TStatusBar control is a collection of TStatusPanel objects.

The TStatusBar exposes the OnClick event that gets fired when the user clicks the control.

Unfortunatelly, there's no "Panel Click" event to be fired when a particular Status Panel is clicked.

Read the full article to learn how to know what StatusBar Panel was Clicked

Implementing the OnClick Event for a Panel on a TStatusBar Delphi control originally appeared on About.com Delphi Programming on Thursday, November 5th, 2009 at 02:00:08.

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