1 files changed, 11 insertions, 4 deletions

diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/update/ExpressionEventHandler.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/update/ExpressionEventHandler.java
index 877bb50a3..9a2f40b06 100644
--- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/update/ExpressionEventHandler.java
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/update/ExpressionEventHandler.java
@@ -14,10 +14,10 @@ package org.eclipse.debug.internal.ui.viewers.update;
 import org.eclipse.debug.core.DebugEvent;
 import org.eclipse.debug.core.DebugPlugin;
 import org.eclipse.debug.core.model.IExpression;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxy;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.ModelDelta;
 import org.eclipse.debug.internal.ui.viewers.provisional.AbstractModelProxy;
-import org.eclipse.debug.internal.ui.viewers.provisional.IModelDelta;
-import org.eclipse.debug.internal.ui.viewers.provisional.IModelProxy;
-import org.eclipse.debug.internal.ui.viewers.provisional.ModelDelta;
 
 /**
  * Event handler for an expression.
@@ -48,7 +48,14 @@ public class ExpressionEventHandler extends DebugEventHandler {
 			}
 		}
     	if (expression != null) {
-	    	delta.addNode(expression, IModelDelta.CONTENT | IModelDelta.STATE);
+    		int flags = IModelDelta.NO_CHANGE;
+    		if ((event.getDetail() & DebugEvent.STATE) != 0) {
+    			flags = flags | IModelDelta.STATE;
+    		}
+    		if ((event.getDetail() & DebugEvent.CONTENT) != 0) {
+    			flags = flags | IModelDelta.CONTENT;
+    		} 
+	    	delta.addNode(expression, flags);
 			fireDelta(delta);
     	}
     }