pop-up window through double_click event in OOPS ALV

Dear gurus ,

i am trying to create a pop-up window through double_click event in OOPS ALV but i am facing a problem that i created a local class and i want to create object with CL_GUI_CUSTOM_CONTAINER for that local class.

is it possible ???

when i tried i am getting an error

please share your valuable knowledge to resolve this problem.

Thank you.

Venkatesh.