// get current EDL settings
bool isEnabled = lasDatasetLayer.IsEyeDomeLightingEnabled;
var radius = lasDatasetLayer.EyeDomeLightingRadius;
var strength = lasDatasetLayer.EyeDomeLightingStrength;
// set EDL values
lasDatasetLayer.SetEyeDomeLightingEnabled(true);
lasDatasetLayer.SetEyeDomeLightingStrength(65.0);
lasDatasetLayer.SetEyeDomeLightingRadius(2.0);