ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / LayerDocument Class / Load Method
A json encoded string.
Example

In This Topic
    Load Method (LayerDocument)
    In This Topic
    Populates a LayerDocument from a json string that represents ArcGIS.Core.CIM.CIMLayerDocument. This method must be called on the MCT. Use QueuedTask.Run.
    Syntax
    public void Load( 
       string json
    )
    Public Sub Load( _
       ByVal json As String _
    ) 

    Parameters

    json
    A json encoded string.
    Exceptions
    ExceptionDescription
    This method or property must be called within the lambda passed to QueuedTask.Run.
    Example
    Create layer from a lyrx file
    var lyrDocFromLyrxFile = new LayerDocument(@"d:\data\cities.lyrx");
    var cimLyrDoc = lyrDocFromLyrxFile.GetCIMLayerDocument();
    
    //modifying its renderer symbol to red
    var r = ((CIMFeatureLayer)cimLyrDoc.LayerDefinitions[0]).Renderer as CIMSimpleRenderer;
    r.Symbol.Symbol.SetColor(new CIMRGBColor() { R = 255 });
    
    //optionally save the updates out as a file
    lyrDocFromLyrxFile.Save(@"c:\data\cities_red.lyrx");
    
    //get a json representation of the layer document and you want store away...
    var aJSONString = lyrDocFromLyrxFile.AsJson();
    
    //... and load it back when needed
    lyrDocFromLyrxFile.Load(aJSONString);
    cimLyrDoc = lyrDocFromLyrxFile.GetCIMLayerDocument();
    
    //create a layer and add it to a map
    var lcp = new LayerCreationParams(cimLyrDoc);
    var lyr = LayerFactory.Instance.CreateLayer<FeatureLayer>(lcp, map);
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also