How to access Control Template parts from Code Behind?

Here is the last chapter of the series for Silverlight Custom Control. In this article, we will learn how to access the template parts from code behind to do various operations in the UI front. Hope, you read the previous three articles and familiar with the Custom control as of now. This article will help you to understand accessibility of the template parts from the code. So, let's start discussing now. Appreciate your feedback as always.