How can I set Size of node from helper.

[PankajJatav]

Hello Again,
I am did some like this.

And i also try using _onRender

_onRender="renderFunc"

renderFunc: function() {
var size = FView.current().node.size;
size.setMode(Node.ABSOLUTE_SIZE, Node.ABSOLUTE_SIZE, Node.ABSOLUTE_SIZE);
size.setAbsolute(974,800,10);
return 'FVIEW_SKIP';
},