VC popup Menu,弹出菜单

void CMenuView::OnRButtonDown(UINT nFlags, CPoint point) 
{

	//弹出菜单
	/*
	CMenu menu;
	menu.LoadMenu(IDR_MENU_POPUP);
	CMenu *pMenu = menu.GetSubMenu(0);
	//ScreenToClient(&point);
	ClientToScreen(&point);
	pMenu->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x,
		point.y,this);
	
	*/
	CView::OnRButtonDown(nFlags, point);
}

void CMenuView::OnContextMenu(CWnd* pWnd, CPoint point) 
{
	if(point.x==-1 && point.y == -1){
		CRect rect;
		GetClientRect(&rect);
		point =rect.TopLeft();
		ClientToScreen(&point);
		point.Offset(5,5);
	}
	CMenu menu;
	menu.LoadMenu(IDR_MENU_POPUP);
	CMenu *pMenu = menu.GetSubMenu(0);
	
	//ClientToScreen(&point);
	pMenu->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x,
		point.y,this);
	
}