The UI Control Framework (CONE)

Purpose

Let's get the important stuff out of the way first: CONE is an abbreviation of CONtrol Environment. It is the internal Symbian component name for the UI Control Framework.

CONE provides:

• a framework for creating user interface controls,

• a framework for applications to handle user interface events,

• and an environment in which to access Window Server functionality.

Contents

• UI Control Framework overview
• View Architecture overview
• UI Control Framework concepts
• - Controls
• - The Application User Interface
• How to write controls
• How to create a Singleton