What do you need to have in your program to respond to the DOUBLE_CLICK event raised by an instance of the CL_GUI_ALV_GRID class? There are 3 correct answers to this question.

What do you need to have in your program to respond to the DOUBLE_CLICK event raised by an instance of the CL_GUI_ALV_GRID class? There are 3 correct answers to this question.
A . A SET HANDLER statement to register the handler to the event
B . A handler class
C . A CATCH statement to capture the event
D . A method to read the registration table
E . A handler method for the event

Answer: A,B,E