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<concept id="GUID-6C16417B-5B37-5310-B59A-750D971AA6D4-GENID-1-8-1-3-1-1-7-1" xml:lang="en"><title>The UI Control Framework (CONE)</title><prolog><metadata><keywords/></metadata></prolog><conbody><p> <b> Purpose</b>  </p> <p>Let's get the important stuff out of the way first: CONE is an abbreviation of <b>CON</b> trol <b>E</b> nvironment. It is the internal Symbian component name for the UI Control Framework. </p> <p>CONE provides: </p> <ul><li id="GUID-2F913264-6144-5E40-9755-6495F2AE6857-GENID-1-8-1-3-1-1-7-1-2-4-1"><p>a framework for creating user interface controls, </p> </li> <li id="GUID-4B06EEAA-8FC8-52BE-BE08-9DFDEC604073-GENID-1-8-1-3-1-1-7-1-2-4-2"><p>a framework for applications to handle user interface events, </p> </li> <li id="GUID-6B47D7DE-589B-525A-B6D2-FF97BC29CFF8-GENID-1-8-1-3-1-1-7-1-2-4-3"><p>and an environment in which to access Window Server functionality. </p> </li> </ul> <p> <b>Contents</b>  </p> </conbody></concept>