diff --git a/README.md b/README.md
index 23fbc0f9..fe31eaff 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ npm install react-ui-tree --save
 <Tree
   paddingLeft={20}              // left padding for children nodes in pixels
   tree={this.state.tree}        // tree object
+  freeze={false}                // set it to true to stop dragging events
   onChange={this.handleChange}  // onChange(tree) tree object changed
   renderNode={this.renderNode}  // renderNode(node) return react element
 />
diff --git a/lib/react-ui-tree.js b/lib/react-ui-tree.js
index 1c3c4154..5f55bb2d 100644
--- a/lib/react-ui-tree.js
+++ b/lib/react-ui-tree.js
@@ -7,6 +7,7 @@ class UITree extends Component {
   static propTypes = {
     tree: PropTypes.object.isRequired,
     paddingLeft: PropTypes.number,
+    freeze: React.PropTypes.bool,
     renderNode: PropTypes.func.isRequired
   };
 
@@ -85,7 +86,7 @@ class UITree extends Component {
           index={tree.getIndex(1)}
           key={1}
           paddingLeft={this.props.paddingLeft}
-          onDragStart={this.dragStart}
+          onDragStart={this.props.freeze ? null : this.dragStart}
           onCollapse={this.toggleCollapse}
           dragging={dragging && dragging.id}
         />