void Invalidate() {NS_IF_RELEASE(mParent); mEntry = nsnull;}
xptiInterfaceInfo::Invalidate() { if(IsValid()) {  xptiTypelib typelib = GetTypelibRecord(); if(HasInterfaceRecord()) delete mInterface; mTypelib = typelib; mName = nsnull; } }
    void Invalidate()         {NS_IF_RELEASE(mParent); mEntry = nsnull;}