Index: src/org/eclipse/mat/ui/editor/MultiPaneEditor.java
===================================================================
--- src/org/eclipse/mat/ui/editor/MultiPaneEditor.java	(revision 1081)
+++ src/org/eclipse/mat/ui/editor/MultiPaneEditor.java	(working copy)
@@ -50,6 +50,7 @@
 import org.eclipse.mat.query.IQueryContext;
 import org.eclipse.mat.ui.MemoryAnalyserPlugin;
 import org.eclipse.mat.ui.Messages;
+import org.eclipse.mat.ui.accessibility.AccessibleToolbarAdapter;
 import org.eclipse.mat.ui.snapshot.ImageHelper.ImageImageDescriptor;
 import org.eclipse.mat.ui.util.ErrorHelper;
 import org.eclipse.mat.ui.util.NavigatorState;
@@ -214,11 +215,15 @@
 
         // create tool bar
         ToolBar toolbar = new ToolBar(composite, SWT.FLAT);
+        // Add custom AccessibleAdapter, passing in associated ToolBar.
+        toolbar.getAccessible().addAccessibleListener(new AccessibleToolbarAdapter(toolbar) );
         GridDataFactory.fillDefaults().grab(true, false).indent(0, 2).applyTo(toolbar);
         toolbarMgr = new ToolBarManager(toolbar);
 
         // create tool bar
         toolbar = new ToolBar(composite, SWT.FLAT);
+        // Add custom AccessibleAdapter, passing in associated ToolBar.
+        toolbar.getAccessible().addAccessibleListener(new AccessibleToolbarAdapter(toolbar) );
         GridDataFactory.fillDefaults().grab(false, false).indent(0, 2).applyTo(toolbar);
         toolbarMgrHelp = new ToolBarManager(toolbar);
 
Index: src/org/eclipse/mat/ui/accessibility/AccessibleToolbarAdapter.java
===================================================================
--- src/org/eclipse/mat/ui/accessibility/AccessibleToolbarAdapter.java	(revision 0)
+++ src/org/eclipse/mat/ui/accessibility/AccessibleToolbarAdapter.java	(revision 0)
@@ -0,0 +1,49 @@
+/*******************************************************************************
+ * Copyright (c) 2011 IBM Corporation.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    IBM Corporation - initial implementation
+ *******************************************************************************/
+
+package org.eclipse.mat.ui.accessibility;
+
+import org.eclipse.swt.accessibility.ACC;
+import org.eclipse.swt.accessibility.AccessibleAdapter;
+import org.eclipse.swt.accessibility.AccessibleEvent;
+import org.eclipse.swt.widgets.ToolBar;
+import org.eclipse.swt.widgets.ToolItem;
+
+public class AccessibleToolbarAdapter extends AccessibleAdapter
+{
+
+    private ToolBar toolBar; // ToolBar with which this adapter is associated.
+
+    public AccessibleToolbarAdapter(ToolBar toolBar)
+    {
+        super();
+        this.toolBar = toolBar; // Store ref to associated toolbar
+    }
+
+    @Override
+    public void getName(AccessibleEvent e)
+    {
+        if (e.childID != ACC.CHILDID_SELF)
+        { // Not self - ie probably a child
+            ToolItem item = toolBar.getItem(e.childID); // Try to get child item
+            if (item != null)
+            { // Found it
+                String toolTip = item.getToolTipText(); // Get tool tip if any
+                if (toolTip != null)
+                { // Got one
+                    e.result = toolTip; // Return to caller in AccessibleEvent
+                }
+            }
+        }
+    } // getName()
+
+} // AccessibleToolbarAdapter
+
Index: src/org/eclipse/mat/ui/snapshot/views/inspector/InspectorView.java
===================================================================
--- src/org/eclipse/mat/ui/snapshot/views/inspector/InspectorView.java	(revision 1081)
+++ src/org/eclipse/mat/ui/snapshot/views/inspector/InspectorView.java	(working copy)
@@ -56,6 +56,7 @@
 import org.eclipse.mat.snapshot.model.IPrimitiveArray;
 import org.eclipse.mat.ui.MemoryAnalyserPlugin;
 import org.eclipse.mat.ui.Messages;
+import org.eclipse.mat.ui.accessibility.AccessibleToolbarAdapter;
 import org.eclipse.mat.ui.snapshot.ImageHelper;
 import org.eclipse.mat.ui.snapshot.editor.HeapEditor;
 import org.eclipse.mat.ui.snapshot.editor.ISnapshotEditorInput;
@@ -476,6 +477,8 @@
         GridDataFactory.fillDefaults().grab(true, true).align(SWT.FILL, SWT.FILL).applyTo(tabFolder);
 
         ToolBar toolBar = new ToolBar(tabFolder, SWT.HORIZONTAL | SWT.FLAT);
+        // Add custom AccessibleAdapter, passing in associated ToolBar.
+        toolBar.getAccessible().addAccessibleListener(new AccessibleToolbarAdapter(toolBar) );
         tabFolder.setTopRight(toolBar);
         // set the height of the tab to display the tool bar correctly
         tabFolder.setTabHeight(Math.max(toolBar.computeSize(SWT.DEFAULT, SWT.DEFAULT).y, tabFolder.getTabHeight()));