wxDataViewModel的ItemChanged

这是wxWidgets论坛的中文版本。在这里,您可以用您的母语汉语讨论上面任一子论坛所涉及的所有关于wxWidgets的话题。欢迎大家参与到对有价值的帖子的中英互译工作中来!
Post Reply
zhangzhiqiang
In need of some credit
In need of some credit
Posts: 1
Joined: Thu Dec 22, 2011 1:50 pm

wxDataViewModel的ItemChanged

Post by zhangzhiqiang »

我重载了wxDataViewModel,
virtual bool IsContainer( const wxDataViewItem &item ) const
{
....
MyNode*node = (MyNode*) item.GetID();
return node->GetChilds().m_size > 0 ;
}

一开始是node没有任何child,IsContainer()为false,当满足一定条件是,m_size>0,但是node->GetChilds()里面还是为空的,
ItemChanged()后,节点左边的+图标还是没出现?
Post Reply