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How to provide layerid to Toolkit WMSLayer SetLayerVisibility method

roufbaba

Hi

I am using Esri Toolkit datasource wms layer to add to the Map. But, in order to get/set the visibility of its sublayer it takes Layerid as an argument which is not public. The question here is how can I use this method unless I have the Layerid.

SetLayerVisibility(int layerID, bool visible);

Same is the issue with MaximumScale and MinimumScale. Please suggest me a proper way to handle this situation.

Rergards
Rouf

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DominiqueBroux

But, in order to get/set the visibility of its sublayer it takes Layerid as an argument which is not public. The question here is how can I use this method unless I have the Layerid.

SetLayerVisibility(int layerID, bool visible);

Same is the issue with MaximumScale and MinimumScale. Please suggest me a proper way to handle this situation.

SetLayerVisibility is mainly there to deal with the legend control, it allows to easily set the layer visibilities from the legend (sample).

To set the visibility from public name you should use the Wms.Layers property.

Concerning the MaximumScale and MinimumScale, this can be set at layer level by setting the Layer MinimumResolution and/or MaximumResolution.
But that can't be changed for sublayers. The min/max scale of sublayers are defined by the wms service itself.

johnbrosowsky

How exactly do you set the visibility of WMS sub layer using Wms.Layers property?

DominiqueBroux

The 'Layers' property is of type string[].

You can set it in XAML though a comma separated layer list:

<esri:WmsLayer Layers="layer1,layer2" .....

or in C# by code like:

wmsLayer.Layers = new[] { "layer1", "layer2"};

If you need to know dynamically the list of layers supported by the service you can use the LayerList property

johnbrosowsky

Thanks Dominique - I can add the WMS successfully, using

<esri:WmsLayer Layers="layer1,layer2"

.. but default visibility on the WMS sub layers is false.

How do I programmatically turn on visibility for a WMS sub layer in c#?

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