error C2253: 'RefCounted' : pure specifier or abstract override specifier only allowed on virtual
环境：win732位,vs2010源码：#include
classRefCountedBase{
public:
voidref()
{
++m_refCount;
}
boolhasOneRef()const
{
returnm_refCount==1;
}
unsignedrefCount()const
{
returnm_refCount;
}
voidrelaxAdoptionR