diff --git a/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/AbstractPane.java b/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/AbstractPane.java
index 870a842ab89..8ae821d7de8 100644
--- a/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/AbstractPane.java
+++ b/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/AbstractPane.java
@@ -26,6 +26,7 @@ import org.eclipse.swt.events.MouseListener;
 import org.eclipse.swt.events.MouseMoveListener;
 import org.eclipse.swt.events.PaintEvent;
 import org.eclipse.swt.events.PaintListener;
+import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.FontMetrics;
 import org.eclipse.swt.graphics.GC;
 import org.eclipse.swt.graphics.Point;
@@ -639,6 +640,14 @@ public abstract class AbstractPane extends Canvas
 
     abstract protected int getCellCharacterCount();
 
+    public void setFont(Font font)
+    {
+    	super.setFont(font);
+    	fCharacterWidth = -1;
+    	fCellHeight = -1;
+    	fTextHeight = -1;
+    }
+    
     private int fCellHeight = -1; // called often, cache
 
     protected int getCellHeight()
@@ -659,7 +668,7 @@ public abstract class AbstractPane extends Canvas
         if(fCharacterWidth == -1)
         {
             GC gc = new GC(this);
-            gc.setFont(fRendering.getFont());
+            gc.setFont(fRendering.getFont()); 
             fCharacterWidth = gc.getAdvanceWidth('F');
             gc.dispose();
         }
diff --git a/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/AddressPane.java b/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/AddressPane.java
index 0d9769c2566..c6a4ae77495 100644
--- a/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/AddressPane.java
+++ b/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/AddressPane.java
@@ -80,14 +80,14 @@ public class AddressPane extends AbstractPane
     }
 
     protected int getCellWidth()
-    {
-        GC gc = new GC(this);
-        gc.setFont(fRendering.getFont());
-        int width = gc.getAdvanceWidth('0');
+    {     
+    	GC gc = new GC(this);
+        StringBuffer buf = new StringBuffer();
+        for(int i = 0; i < getCellCharacterCount(); i++)
+        	buf.append("0");
+        int width = gc.textExtent(buf.toString()).x;
         gc.dispose();
-
-        return getCellCharacterCount() * width
-            + (fRendering.getCellPadding() * 2);
+        return width;
     }
 
     private int getColumnCount()
diff --git a/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/DataPane.java b/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/DataPane.java
index 5021c9e5002..bc3e0630c0c 100644
--- a/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/DataPane.java
+++ b/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/DataPane.java
@@ -241,7 +241,7 @@ public class DataPane extends AbstractPane
 
         int cellHeight = getCellHeight();
         int cellWidth = getCellWidth();
-
+        
         int columns = fRendering.getColumnCount();
 
         try
diff --git a/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/Rendering.java b/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/Rendering.java
index bccf6f3be40..447745f6962 100644
--- a/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/Rendering.java
+++ b/plugins/org.eclipse.dd.debug.memory.renderings.traditional/src/org/eclipse/dd/debug/memory/renderings/traditional/Rendering.java
@@ -462,7 +462,7 @@ public class Rendering extends Composite implements IDebugEventSetListener
             controls[i].setFont(font);
 
         packColumns();
-        redrawPanes();
+        layout(true);
     }
 
     public void handleDebugEvents(DebugEvent[] events)