It can be useful to have access to the window used to actually show the items by wxTreeListCtrl, provide two accessors for m_view: a wxDataViewCtrl-specific one and a generic one returning just a wxWindow that can be used to keep the code isolated from wxDataViewCtrl. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69173 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775