diff --git a/demo/ListCtrl.py b/demo/ListCtrl.py
index 0d5636f8..dad208f7 100644
--- a/demo/ListCtrl.py
+++ b/demo/ListCtrl.py
@@ -122,6 +122,7 @@ class TestListCtrlPanel(wx.Panel, listmix.ColumnSorterMixin):
 
         self.list.SetImageList(self.il, wx.IMAGE_LIST_SMALL)
         sizer.Add(self.list, 1, wx.EXPAND)
+        self.list.EnableCheckBoxes(enable=True)
 
         self.PopulateList()
 
@@ -246,12 +247,12 @@ class TestListCtrlPanel(wx.Panel, listmix.ColumnSorterMixin):
 
         event.Skip()
 
-    def OnItemDeselected(self, evt):
-        item = evt.GetItem()
-        self.log.WriteText("OnItemDeselected: %d" % evt.Index)
+    def OnItemDeselected(self, event):
+        item = event.GetItem()
+        self.log.WriteText("OnItemDeselected: %d" % event.Index)
 
         # Show how to reselect something we don't want deselected
-        if evt.Index == 11:
+        if event.Index == 11:
             wx.CallAfter(self.list.SetItemState, 11, wx.LIST_STATE_SELECTED, wx.LIST_STATE_SELECTED)
 
     def OnItemActivated(self, event):
@@ -295,6 +296,21 @@ class TestListCtrlPanel(wx.Panel, listmix.ColumnSorterMixin):
     def OnColEndDrag(self, event):
         self.log.WriteText("OnColEndDrag\n")
 
+    def OnCheckAllBoxes(self, event):
+        itemcount = self.list.GetItemCount()
+        [self.list.CheckItem(item=i, check=True) for i in range(itemcount)]
+        self.log.WriteText("OnCheckAllBoxes\n")
+
+    def OnUnCheckAllBoxes(self, event):
+        itemcount = self.list.GetItemCount()
+        [self.list.CheckItem(item=i, check=False) for i in range(itemcount)]
+        self.log.WriteText("OnUnCheckAllBoxes\n")
+
+    def OnGetItemsChecked(self, event):
+        itemcount = self.list.GetItemCount()
+        itemschecked = [i for i in range(itemcount) if self.list.IsItemChecked(item=i)]
+        self.log.WriteText("OnGetItemsChecked: %s \n" % itemschecked)
+
     def OnDoubleClick(self, event):
         self.log.WriteText("OnDoubleClick item %s\n" % self.list.GetItemText(self.currentItem))
         event.Skip()
@@ -310,6 +326,9 @@ class TestListCtrlPanel(wx.Panel, listmix.ColumnSorterMixin):
             self.popupID4 = wx.NewIdRef()
             self.popupID5 = wx.NewIdRef()
             self.popupID6 = wx.NewIdRef()
+            self.popupID7 = wx.NewIdRef()
+            self.popupID8 = wx.NewIdRef()
+            self.popupID9 = wx.NewIdRef()
 
             self.Bind(wx.EVT_MENU, self.OnPopupOne, id=self.popupID1)
             self.Bind(wx.EVT_MENU, self.OnPopupTwo, id=self.popupID2)
@@ -317,6 +336,9 @@ class TestListCtrlPanel(wx.Panel, listmix.ColumnSorterMixin):
             self.Bind(wx.EVT_MENU, self.OnPopupFour, id=self.popupID4)
             self.Bind(wx.EVT_MENU, self.OnPopupFive, id=self.popupID5)
             self.Bind(wx.EVT_MENU, self.OnPopupSix, id=self.popupID6)
+            self.Bind(wx.EVT_MENU, self.OnCheckAllBoxes, id=self.popupID7)
+            self.Bind(wx.EVT_MENU, self.OnUnCheckAllBoxes, id=self.popupID8)
+            self.Bind(wx.EVT_MENU, self.OnGetItemsChecked, id=self.popupID9)
 
         # make a menu
         menu = wx.Menu()
@@ -327,6 +349,9 @@ class TestListCtrlPanel(wx.Panel, listmix.ColumnSorterMixin):
         menu.Append(self.popupID4, "DeleteAllItems")
         menu.Append(self.popupID5, "GetItem")
         menu.Append(self.popupID6, "Edit")
+        menu.Append(self.popupID7, "Check All Boxes")
+        menu.Append(self.popupID8, "UnCheck All Boxes")
+        menu.Append(self.popupID9, "Get Checked Items")
 
         # Popup the menu.  If an item is selected then its handler
         # will be called before PopupMenu returns.