I couldn't find any official documentation about extending Kendo UI widgets or making composite controls on Kendo UI's website. Are there any examples of how to do this?
I'm about to write a post on this, but you can checkout the following project on GitHub for creating plugins. Currently there is a composite control for this...
https://github.com/kendo-labs/kendo-plugins
Here is a live fiddle example of a compositing an AutoComplete and a ListView...
http://jsfiddle.net/burkeholland/G2f4a/embedded/result/
// thanks for making put a useless comment here stackoverflow