Move line up down with Visual Studio 2013.

During writing code some times we required to move lines of code up and down the earlier we have to cut and paste the line. But with Visual Studio 2013 preview there a short cut to do that and it will be useful when we are refactoring our code and doing some changes. There is a short cut to move lines up with Alt + up arrow keys and same way for moving down Alt+ down keys.

For example I have following code there.