topic how to find layer type of a layer in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/how-to-find-layer-type-of-a-layer/m-p/551904#M14939 <HTML><HEAD></HEAD><BODY><SPAN>How do I find a layer type of an ILayer?&nbsp; For example, if I loop through all ILayers from an IMap, how do I determine whether each ILayer is an IGroupLayer ?</SPAN><BR /><BR /><SPAN>I already know I can use IMap.get_Layers(&lt;IUID&gt;, true) to obtain all the layers of a given type according to the passed IUID.</SPAN><BR /><BR /><SPAN>But I prefer to first obtain all layers, then determine what type of layer it is.</SPAN></BODY></HTML> Thu, 29 May 2014 16:17:52 GMT SeanNakasone 2014-05-29T16:17:52Z how to find layer type of a layer https://community.esri.com/t5/arcobjects-sdk-questions/how-to-find-layer-type-of-a-layer/m-p/551904#M14939 <HTML><HEAD></HEAD><BODY><SPAN>How do I find a layer type of an ILayer?&nbsp; For example, if I loop through all ILayers from an IMap, how do I determine whether each ILayer is an IGroupLayer ?</SPAN><BR /><BR /><SPAN>I already know I can use IMap.get_Layers(&lt;IUID&gt;, true) to obtain all the layers of a given type according to the passed IUID.</SPAN><BR /><BR /><SPAN>But I prefer to first obtain all layers, then determine what type of layer it is.</SPAN></BODY></HTML> Thu, 29 May 2014 16:17:52 GMT https://community.esri.com/t5/arcobjects-sdk-questions/how-to-find-layer-type-of-a-layer/m-p/551904#M14939 SeanNakasone 2014-05-29T16:17:52Z Re: how to find layer type of a layer https://community.esri.com/t5/arcobjects-sdk-questions/how-to-find-layer-type-of-a-layer/m-p/551905#M14940 <HTML><HEAD></HEAD><BODY><SPAN>In VB, use TypeOf to test if an object implements a particular interface.&nbsp; In C# use Is.</SPAN><BR /><BR /><SPAN>If TypeOf yourLayer Is IGroupLayer Then...it's a group layer.</SPAN><BR /><SPAN>if (yourLayer is IGroupLayer) {...it's a group layer.</SPAN></BODY></HTML> Thu, 29 May 2014 17:14:06 GMT https://community.esri.com/t5/arcobjects-sdk-questions/how-to-find-layer-type-of-a-layer/m-p/551905#M14940 NeilClemmons 2014-05-29T17:14:06Z Re: how to find layer type of a layer https://community.esri.com/t5/arcobjects-sdk-questions/how-to-find-layer-type-of-a-layer/m-p/551906#M14941 <HTML><HEAD></HEAD><BODY><SPAN>thank you very much, that works.</SPAN></BODY></HTML> Thu, 29 May 2014 17:19:47 GMT https://community.esri.com/t5/arcobjects-sdk-questions/how-to-find-layer-type-of-a-layer/m-p/551906#M14941 SeanNakasone 2014-05-29T17:19:47Z