Book Image

Delphi Cookbook

By : Daniele Teti
Book Image

Delphi Cookbook

By: Daniele Teti

Overview of this book

Table of Contents (14 chapters)
Delphi Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Using a styled TListView to handle a long list 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 the system being slow when data rows grow. 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'll use the Do not block the main thread! recipe as a base to customize a listview using custom styles. In that recipe, we get a list of weather forecasts from a REST web service and then fill the listview with that data using a standard style. In this recipe, that data will be nicely inserted in a custom listview with colors, alignment, and summary footer. There is no design-time support with this approach, because all the controls created into each item are created at runtime; however, this approach...