This demo shows how you can programatically toggle Export plugin's Annotation mode.
The following code is used to go in and out of annotation mode:
function toggleAnnotations() { if (chart["export"].drawing.enabled) { chart["export"].drawing.handler.done(); } else { chart["export"].capture({ "action": "draw" }, function() { var drawingMenu = chart["export"].config.menu[0].menu[2].menu; chart["export"].createMenu(drawingMenu); }); } }