Runtime display rotation

Hi, All.
I want to add an option to menu to set display and keys rotation (for right or lefthanded people). Is this possible at runtime or application must be restarted to apply this?
Regards, Nomad.
I want to add an option to menu to set display and keys rotation (for right or lefthanded people). Is this possible at runtime or application must be restarted to apply this?
Regards, Nomad.