Discussions with "This is my code, it does not work" will be deleted immediately if no example is tested before.

It is always a good start to first have a look at the examples provided by this library. Start with the Simple* and the *Demo examples.
Examples for this library are available in the Arduino IDE under File > Examples > Examples from Custom Libraries > IRremote > ...
Examples are also available at Github: https://github.com/Arduino-IRremote/Arduino-IRremote/tree/master/examples