--- TreeViewDragDrop.old	2012-08-14 22:33:07.000000000 +0200
+++ TreeViewDragDrop_new.C	2013-03-14 09:05:09.515390900 +0100
@@ -532,9 +532,17 @@
        */
       WString text = popup_->result()->text();
       popup_->hide();
+      Wt::WString msg = WT_VERSION_STR " Action '" + text + "' is not implemented.";
+      if (popup_->result()->isCheckable()) {
+          msg += "<br/>the item is checkable and is currently ";
+          if ( not popup_->result()->isChecked() ) {
+//          if ( popup_->result()->checkBox()->checkState() == Unchecked ) {
+              msg += "NOT ";
+        }
+          msg += "checked";
+      }
 
-      popupActionBox_ = new WMessageBox("Sorry.","Action '" + text
-					+ "' is not implemented.", NoIcon, Ok);
+      popupActionBox_ = new WMessageBox("Sorry.",msg, NoIcon, Ok);
       popupActionBox_->buttonClicked()
 	.connect(this, &TreeViewDragDrop::dialogDone);
       popupActionBox_->show();