Treetable drag = false does not work

Webix JS
#1

When I have a treatable i can set it to true with

grid.define(‘drag’, true);

but disabling does not work with

grid.define(‘drag’, false );

you can check it out here : Code Snippet

tanks for fast help in advance!
Chris

#2

try this as a workaround

  on:{
    onBeforeDrag: function(){
      if(!this.config.drag)return false;
    }
}