|  | GL Studio C++ Runtime API
    | 
#include <input_handler.h>
 
  
 | Public Member Functions | |
| virtual void | Call (KeyboardEvent *ev)=0 | 
| virtual bool | IsValid () const =0 | 
Class used to call a callback method that takes a KeyboardEvent
| 
 | pure virtual | 
call the callback with the provided display event
Implemented in KeyboardMethodCallback< T >.
| 
 | pure virtual | 
returns true if the callback is valid to call
Implemented in KeyboardMethodCallback< T >.