On virtual function call, select function with the parent type closest in inheritance graph to preferred type
On virtual function call, select function with the parent type closest in inheritance graph to preferred type

WheretIB/nullc,WheretIB/nullc,WheretIB/nullc,WheretIB/nullc,WheretIB/nullc,WheretIB/nullc,WheretIB/nullc