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Delphi Cookbook

Delphi Cookbook - Second Edition

By : Daniele Teti
4.7 (10)
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Delphi Cookbook

Delphi Cookbook

4.7 (10)
By: Daniele Teti

Overview of this book

Delphi is a cross-platform Integrated Development Environment (IDE) that supports rapid application development for Microsoft Windows, Apple Mac OS X, Google Android, and Apple iOS. It helps you to concentrate on the real business and save yourself the pain of wandering amid GUI widget details, or having to tackle inter-platform incompatibilities. It also has a wide range of drag-and-drop controls, helping you code your business logic into your business model, and it compiles natively for desktop and mobile platforms. This book will teach you how to design and develop applications, deploy them on the cloud platform, and distribute them within an organization via Google Play and other similar platforms. You will begin with the basics of Delphi and get acquainted with JSON format strings, XSLT transformations, unicode encodings and various types of streams. We then move on to more advanced topics such as developing higher-order functions and using enumerators and RTTI. You will get an understanding of how Delphi RTL functions and how to use FireMonkey in a VCL application. We will then cover topics such as multithreading, using the parallel programming library and putting Delphi on a server. We will also take a look at the new feature of WebBroker Apache modules and then ride the mobile revolution with FireMonkey. By the end of the book, you will be able to develop and deploy cross-platform applications using Delphi .
Table of Contents (10 chapters)
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9
Index

Using a styled TListView to handle long lists of data


The TListBox control is very flexible. You can customize every aspect of each item in the list. However, it is not suitable if you want to handle a long list of data, because flexibility comes at the cost of system being slow when the number of data rows grows. Embarcadero specifies that you should use TListView to display a collection of items in a list that is optimized for LiveBindings and for fast and smooth scrolling.

Getting ready

In this recipe, we will use the Do not block main thread! recipe as a base to customize a listview using custom styles. In that recipe, we got a list of weather forecasts from a REST web service and then filled the listview with that data using a standard style. In this recipe, that data will be nicely inserted in to a custom listview with colors, alignment, and a summary footer. There is no design-time support with this approach, because all the controls created in each item are created at runtime; however...

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Delphi Cookbook
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