void  Ctrl::AddChild(Ctrl *q, Ctrl *p, int flag)
{
	GuiLock __;
	ASSERT(q);

	LLOG("Add " << UPP::Name(q) << " to: " << Name());
	if(p == q) return;
	bool updaterect = true;
	bool owned;
	switch(flag)
	{
		default: // note, all value of flag other than 0&1 in this branch
			owned=q->owned;
			break;
		case 0:
		case 1:
			q->owned=flag==1;
	}

	///if(dynamic_cast<q
	
	if(q->parent) {
		ASSERT(!q->inframe);


//************************
// following couple of lines takes care of the issues you raised.
//*************************
		if(q->parent == this) {
			RemoveChild0(q, true); // detach only
			updaterect = false;
		}
		else
			q->parent->RemoveChild(q, true); // detach only	}
	q->parent = this;
	if(p) {
		ASSERT(p->parent == this);
		q->prev = p;
		q->next = p->next;
		if(p == lastchild)
			lastchild = q;
		else
			p->next->prev = q;
		p->next = q;
	}
	else
		if(firstchild) {
			q->prev = NULL;
			q->next = firstchild;
			firstchild->prev = q;
			firstchild = q;
		}
		else {
			ASSERT(lastchild == NULL);
			firstchild = lastchild = q;
			q->prev = q->next = NULL;
		}
	q->CancelModeDeep();
	if(updaterect)
		q->UpdateRect();
	ChildAdded(q);
	q->ParentChange();
	if(updaterect && GetTopCtrl()->IsOpen())
		q->StateH(OPEN);
	if(dynamic_cast<DHCtrl *>(q))
		SyncDHCtrl();
}