Global callback for a restricted set of keys. Called only when the Ctrl+F? key combinations are pressed. It was designed to be used for internal application debugging porpoises only. Do not use it for release code.
void function(int c); [in C]
c: identifier of typed key. Please refer to the Keyboard Codes table for a list of possible values.
It can only be set using IupSetFunction(name, func).
To modify this action use the iup.SetGlobalCallback(name, func) function.