diff --git a/wxPython/demo/wxTextCtrl.py b/wxPython/demo/wxTextCtrl.py
index 7b55456399..381058bf3b 100644
--- a/wxPython/demo/wxTextCtrl.py
+++ b/wxPython/demo/wxTextCtrl.py
@@ -43,6 +43,8 @@ class TestPanel(wxPanel):
         EVT_BUTTON(self, b.GetId(), self.OnTestReplace)
         b2 = wxButton(self, -1, "Test GetSelection")
         EVT_BUTTON(self, b2.GetId(), self.OnTestGetSelection)
+        b3 = wxButton(self, -1, "Test WriteText")
+        EVT_BUTTON(self, b3.GetId(), self.OnTestWriteText)
         self.tc = t3
 
         l4 = wxStaticText(self, -1, "Rich Text")
@@ -58,6 +60,7 @@ class TestPanel(wxPanel):
         bsizer = wxBoxSizer(wxVERTICAL)
         bsizer.Add(b, 0, wxGROW)
         bsizer.Add(b2, 0, wxGROW)
+        bsizer.Add(b3, 0, wxGROW)
 
         sizer = wxFlexGridSizer(cols=3, hgap=6, vgap=6)
         sizer.AddMany([ l1, t1, (0,0),
@@ -84,6 +87,9 @@ class TestPanel(wxPanel):
         self.tc.Replace(5, 9, "IS A")
         #self.tc.Remove(5, 9)
 
+    def OnTestWriteText(self, evt):
+        self.tc.WriteText("TEXT")
+
     def OnTestGetSelection(self, evt):
         start, end = self.tc.GetSelection()
         text = self.tc.GetValue()