generate a text event even if SetValue() didn't really chaneg anything

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22560 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/textctrl.cpp

@@ -533,6 +533,11 @@ void wxTextCtrl::SetValue(const wxString& value)
     {
         DoWriteText(value, FALSE /* not selection only */);
     }
+    else // same text
+    {
+        // still send an event for consistency
+        SendUpdateEvent();
+    }
 
     // we should reset the modified flag even if the value didn't really change