I need an event, which gets fired after all renderer method return values have been rendered on page.

My renderer returns a string, which is a div definition

return '<div id="MyColumn' + record.id + '" />';

after the page is done I can find these with the browsers dev-tools, but when I use the render or afterrender events of this column object, to "Ext.get()" these divs, they aren't there when it fires.