-(void)sendLayerToBack:(BOOL)last;
public boolean sendLayerToBack(boolean last);
function Leadtools.Annotations.Automation.AnnAutomation.SendLayerToBack( last )
Use this method with last set to true to send the layer to the bottom of the Z-order, and set last to false to send the layer down one level.
You can determine whether you can send the layer down or to the bottom by calling the CanSendLayerToBack and CanSendLayerToLast properties, respectively.
You can set the selected layer using SelectLayer.