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I am learning ArcGIS javascript API and wanted to make a reordering panel for my webapp. I looked through the ArcGIS sample. http://help.arcgis.com/en/webapi/javascript/arcgis/jssamples/layers_dynamic_reorder.html

but I'm stuck at addLake() function. If I'm understand the sample correctly, to add the new lake layer

1. get the existing DynamicLayerInfos from the current map
2. create a new DynamicLayerInfo for the new layer
3. push to the DynamicLayerInfos
4. set the new DynamicLayerInfos to the map

The example uses LayerDataSource that reference a table as the new data source for the layer.

And how do you add a new layer from a public layer on a MapServer/FeatureServer. Can someone give me an example?

I am learning ArcGIS javascript API and wanted to make a reordering panel for my webapp. I looked through the ArcGIS sample.

but I'm stuck at addLake() function. If I'm understand the sample correctly, to add the new lake layer

1. get the existing DynamicLayerInfos from the current map
2. create a new DynamicLayerInfo for the new layer
3. push to the DynamicLayerInfos
4. set the new DynamicLayerInfos to the map

The example uses LayerDataSource that reference a table as the new data source for the layer.

And how do you add a new layer from a public layer on a MapServer/FeatureServer. Can someone give me an example?