Get parent Summary Task and children tasks

Good evening people, this week I've faced some nice challenge in Sharepoint 2010. Working with a Task, I needed to get the parent Summary Task of Task after it was added, changed or deleted, in order to update that same Summary Task with information about its children tasks.

It took me a few hours to solve this problem, yet solved it with a simple solution. Keep reading :)

Add summary task to task list programatically

Hello again, recently I've tried to add a summary task in a task list in an event receiver.
For my surprise that turned out to be more difficult then I initially expected. Nevertheless, the solution is pretty simple.

Check it out