diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/newui/TriButton.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/newui/TriButton.java
index 72f9a6e706d..dfd2d86c801 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/newui/TriButton.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/newui/TriButton.java
@@ -124,6 +124,13 @@ public class TriButton extends Composite implements SelectionListener {
 		else button.setImage(image);
 	}
 	
+	public void setEnabled(boolean enabled) {
+		if (triMode) {
+			label.setEnabled(enabled);
+			combo.setEnabled(enabled);
+		} else button.setEnabled(enabled);
+	}
+	
 	public void addSelectionListener (SelectionListener listener) {
 		listeners.add(listener);
 	}