如何访问ListBoxItems的Visibility属性
在我的WPF程序中,我有一个ListBox
控件:
如何访问ListBoxItems
Visibility
属性? 我的代码不起作用:
mailsListBox.Items[1].Visibility = Visible;
像这样:
(mailsListBox.Items[1] as ListBoxItem).Visibility = Visibility.Visible;
或者您可以使用ItemContainerGenerator.ContainerFromItem
方法:
((ListBoxItem)(mailsListBox.ItemContainerGenerator.ContainerFromItem(mailsListBox.Items[1]))).Visibility = Visibility.Visible;