--- a/dwtx/jface/viewers/StructuredViewer.d	Tue Apr 08 22:05:42 2008 +0200
+++ b/dwtx/jface/viewers/StructuredViewer.d	Thu Apr 10 08:59:39 2008 +0200
@@ -70,6 +70,7 @@
 
 import dwt.dwthelper.utils;
 import dwt.dwthelper.Runnable;
+import tango.util.log.Trace;
 
 /**
  * Abstract base implementation for structure-oriented viewers (trees, lists,
@@ -2053,6 +2054,7 @@
      *            indicate unknown
      */
     protected void internalUpdate(Widget widget, Object element, String[] properties) {
+        Trace.formatln( "{} {}:", __FILE__, __LINE__ );
         bool needsRefilter_ = false;
         if (properties !is null) {
             for (int i = 0; i < properties.length; ++i) {
@@ -2160,6 +2162,7 @@
      * @param element The element being decorated.
      */
     protected void buildLabel(ViewerLabel updateLabel, Object element){
+        Trace.formatln( "{} {}:", __FILE__, __LINE__ );
 
         if ( auto vlp = cast(IViewerLabelProvider)getLabelProvider() ) {
             IViewerLabelProvider itemProvider = cast(IViewerLabelProvider) getLabelProvider();
@@ -2197,6 +2200,7 @@
      * @param labelProvider ILabelProvider the labelProvider for the receiver.
      */
     void buildLabel(ViewerLabel updateLabel, Object element, IViewerLabelProvider labelProvider){
+        Trace.formatln( "{} {}:", __FILE__, __LINE__ );
 
             labelProvider.updateLabel(updateLabel, element);
 
@@ -2223,6 +2227,7 @@
      * @param labelProvider ILabelProvider the labelProvider for the receiver.
      */
     void buildLabel(ViewerLabel updateLabel, TreePath elementPath,ITreePathLabelProvider labelProvider){
+    Trace.formatln( "{} {}:", __FILE__, __LINE__ );
 
             labelProvider.updateLabel(updateLabel, elementPath);
 
@@ -2249,6 +2254,7 @@
      * @param labelProvider ILabelProvider the labelProvider for the receiver.
      */
     void buildLabel(ViewerLabel updateLabel, Object element,ILabelProvider labelProvider){
+        Trace.formatln( "{} {}:", __FILE__, __LINE__ );
             updateLabel.setText(labelProvider.getText(element));
             updateLabel.setImage(labelProvider.getImage(element));
     }