in extjs4, when tabpanel change, tabpanel's showing have problem!

[weige215]

i dynamically load iframe to tabpanel, but you click quickly next tabpanel, the previos tabpanel can't show. in extjs3, use layoutOnTabChange can solve the problem, but in extjs4, how to solve the problem?
the error's picture as Attachment。

[scottmartin]

We will need more details ... please update the following to duplicate.

Ext.create('Ext.tab.Panel', {
    width: 800,
    height: 600,
    activeTab: 0,
    items: [
        {
            title: 'Tab 1',
            bodyPadding: 10,
            html : '<iframe src="http://www.sencha.com" width="100%" height="100%" ></iframe>'
        },
        {
            title: 'Tab 2',
            html : '<iframe src="http://www.html5.com" width="100%" height="100%" ></iframe>'
        }
    ],
    renderTo : Ext.getBody()
});​

Scott