extjs - How to attach an On Click event for Icon In Ext.js -

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i have ext.js container header , header contains text title , icon . used refresh tab . how can icon click event container header ? ive used icon: '@url.content("~/images/icon-supp.png")', getting icon next text. here code:

'tabchange' activates when tab changed , not while clicked on icon.

more information : have center container . im adding ext.tab.panel , has 

 items: [              {                                 xtype: 'container',                                 title: 'footext',                                 id: 'foopanel',                                 icon: '@url.content("~/images/icon-refresh.png")',   tools: [{                         type: 'help',                         handler: function(){                             //doesnt hit on click of tab                         }                     }, {                         itemid: 'refresh',                         type: 'refresh',                         hidden: true,                         handler: function(){                             //doesnt hit on click of tab                         }                     }                     }],                                 listeners: {                                     activate: function () {                                        //this hits once when tab gets activated./                                         alert('you clicked me');                                     },                                     click:function(){//doesnt work},                                         },                                     handler:function(){//doesnt work},                                  autoscroll: true,                              },

now need handel event on click of image icon. possible ?

finally went on using html image button on title , handling onclick event.as such

title: 'footitle <input type="image" style="float: right;padding-left:10px; height: 15px;width:30px; " src="images/icon-refresh.png" onclick="refreshfootab()"></input>',  function refreshfootab() {...}

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