Event Double_click of class cl_gui_alv_grid

Hi All,

I am trying to use the event double click of class cl_gui_alv_grid. For that I am using syntax- SET HANDLER <instance>->double_click FOR <instance>. in my report ,where instance is an object of class cl_gui_alv_grid but I am getting error - Method "DOUBLE_CLICK" is unknown or PROTECTED or PRIVATE. Please help me with this.

Regards,

Tanushree