Index: src/org/eclipse/jface/viewers/AbstractTreeViewer.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java,v
retrieving revision 1.129
diff -u -r1.129 AbstractTreeViewer.java
--- src/org/eclipse/jface/viewers/AbstractTreeViewer.java	12 Nov 2007 13:13:29 -0000	1.129
+++ src/org/eclipse/jface/viewers/AbstractTreeViewer.java	20 Nov 2007 21:15:54 -0000
@@ -1462,21 +1462,16 @@
 	protected void inputChanged(Object input, Object oldInput) {
 		preservingSelection(new Runnable() {
 			public void run() {
-				Control tree = getControl();
-				boolean useRedraw = true;
-				// (size > REDRAW_THRESHOLD) || (table.getItemCount() >
-				// REDRAW_THRESHOLD);
-				if (useRedraw) {
-					tree.setRedraw(false);
-				}
-				removeAll(tree);
-				tree.setData(getRoot());
-				internalInitializeTree(tree);
-				if (useRedraw) {
-					tree.setRedraw(true);
-				}
+	            Control tree = getControl();
+	            try {
+	                tree.setRedraw(false);
+	                removeAll(tree);
+	                tree.setData(getRoot());
+	                internalInitializeTree(tree);
+	            } finally {
+	                tree.setRedraw(true);
+	            }
 			}
-
 		});
 	}