[OpenLayers-Users] Re: editing tool on multiple layers

[Jørgen S. Nicolaysen]

You may try something like this:
layer1.events.on( {
  'featureadded': FeatureAdded,
  'scope': layer1
}); 
layer2.events.on( {
  'featureadded': FeatureAdded,
  'scope': layer2
}); 
function FeatureAdded() {
  alert(this.name);
}


The 'scope' property lets you use the keyword 'this' as a reference to the
layer. 
And yes, remember to unregister events if you need to destroy the layer,
with the 'un' function :
layer2.events.un( {
'featureadded': FeatureAdded,
'scope': layer2
}); 



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