Added wx.aui.AuiNotebook.GetAuiManager().

Added wx.aui.AuiMDIParentFrame and wx.aui.AuiMDIChildFrame, which
essentially implement the MDI interface using a normal wx.Frame and a
wx.aui.AuiNotebook.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@44105 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/demo/Main.py

@@ -69,11 +69,13 @@ _treeList = [
         'Img2PyArtProvider',
         'SearchCtrl',
         'SizedControls',
+        'AUI_MDI',
         ]),
 
     # managed windows == things with a (optional) caption you can close
     ('Frames and Dialogs', [
         'AUI_DockingWindowMgr',
+        'AUI_MDI',
         'Dialog',
         'Frame',
         'MDIWindows',