+ // don't show the option of connecting to an existing Index parameter of the Duplicate layer
+ if(x.count("dest"))
+ {
+ ValueDesc value_desc=x.find("dest")->second.get_value_desc();
+
+ if (value_desc.parent_is_layer_param() &&
+ value_desc.get_layer()->get_name() == "duplicate" &&
+ value_desc.get_param_name() == "index")
+ return false;
+ }
+