- void<div class="mdesc"><div class="short">Toggles the specified group if no value is passed, otherwise sets the expanded state of the group to the value passed...</div><div class="long">Toggles the specified group if no value is passed, otherwise sets the expanded state of the group to the value passed.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>groupId</code> : String<div class="sub-desc">The groupId assigned to the group (see getGroupId)</div></li><li><code>expanded</code> : Boolean<div class="sub-desc">(optional)</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">GroupingView</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-un"></a><b><a href="source/Observable.html#method-Ext.util.Observable-un">un</a></b>( <code>String eventName</code>, <code>Function handler</code>, <span title="Optional" class="optional">[<code>Object scope</code>]</span> )\r
+ void<div class="mdesc"><div class="short">Toggles the specified group if no value is passed, otherwise sets the expanded state of the group to the value passed...</div><div class="long">Toggles the specified group if no value is passed, otherwise sets the expanded state of the group to the value passed.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>groupId</code> : String<div class="sub-desc">The groupId assigned to the group (see getGroupId)</div></li><li><code>expanded</code> : Boolean<div class="sub-desc">(optional)</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">GroupingView</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.grid.GroupingView-toggleRowIndex"></a><b><a href="source/GroupingView.html#method-Ext.grid.GroupingView-toggleRowIndex">toggleRowIndex</a></b>( <code>Number rowIndex</code>, <span title="Optional" class="optional">[<code>Boolean expanded</code>]</span> )\r
+ :\r
+ void<div class="mdesc"><div class="short">Toggle the group that contains the specific row.</div><div class="long">Toggle the group that contains the specific row.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>rowIndex</code> : Number<div class="sub-desc">The row inside the group</div></li><li><code>expanded</code> : Boolean<div class="sub-desc">(optional)</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">GroupingView</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-un"></a><b><a href="source/Observable.html#method-Ext.util.Observable-un">un</a></b>( <code>String eventName</code>, <code>Function handler</code>, <span title="Optional" class="optional">[<code>Object scope</code>]</span> )\r