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POArcObject IWMSServiceDescription.get_LayerDescription C# error
 

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  1. POArcObject IWMSServiceDescription.get_LayerDescription C# error
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    <p>My goal is to connect to a WMS Service and display a layer on my application's map using ESRI's ArcObject API for .NET. </p> <p>Here is the part of my code I am struggling with:</p> <pre><code>... String url = "some value"; String layerTitle = "another value"; ... PropertySet props = new PropertySet(); props.SetProperty("URL", url); WMSConnectionName connectionName = new WMSConnectionName(); connectionName.ConnectionProperties = props; WMSMapLayer mapLayer = new WMSMapLayer(); (mapLayer as IDataLayer).Connect(connectionName as IName); IWMSGroupLayer groupLayer = (IWMSGroupLayer)mapLayer; IWMSServiceDescription serviceDescription = groupLayer.WMSServiceDescription; IWMSLayerDescription layerDescription = serviceDescription.get_LayerDescription(0); groupLayer.CreateWMSLayer(layerDescription); groupLayer.get_Layer(0).Visible = true; ILayer layer = (ILayer)groupLayer; layer.Name = "WxOverlays " + layerTitle; layer.Visible = true; </code></pre> <p>At run time I encounter: </p> <blockquote> <p>System.Runtime.InteropServices.COMException (0x8000FFFF): The supplied command does not exist in the command pool at ESRI.ArcGIS.GISClient.IWMSServiceDescription.get_LayerDescription(Int32 index)</p> </blockquote> <p>A google search revealed that some similar methods in the ArcObject API throw the same exception because they are not supported in C#. Has anyone encountered this before? Anyone see a way around it? Unfortunately, I am stuck using C#, so using Java or something that may have better support from ESRI is out of the question. </p>
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    1. PTQuestion
    1. USylka
    1. USZane
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    1. COSeems like it's a 400000th C# question. You should get a prize! :)
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      1. POArcObject IWMSServiceDescription.get_LayerDescription C# error
      1. USFilip Skakun
    2. COI wonder if that means C# is really popular, or just really hard to understand? :) Anyway, back to the question - I don't think your problem is that get_LayerDescription isn't supported, or else there wouldn't be a C# example in the API docs. Have you tried calling .LayerDescriptionCount to see if there's any valid WMS layers?
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      1. POArcObject IWMSServiceDescription.get_LayerDescription C# error
      1. USJuffy
 

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