Hides the semi-transparent rectangle when it is shown over the CanvasViewer.
Namespace:
Aurigma.GraphicsMill.AjaxControls
Assembly:
Aurigma.GraphicsMill.AjaxControls.VectorObjects (in Aurigma.GraphicsMill.AjaxControls.dll)
function unlockViewer();
To show this rectangle use the lockViewer()() method.