如何在MVVM模式+ WPF中绑定TreeView控件的SelectedItemChanged事件(在ViewModel类中)
问题描述：
我想在我的ViewModel类中绑定treeview的SelectedItemChanged事件.
如何在Xaml中编写它以及如何从ViewModel类处理它.
在此先感谢:)
Hi,
I would like to bind SelectedItemChanged event of treeview in my ViewModel class.
How to write it in Xaml and how to handle it from ViewModel class.
Thanks in advance :)