/// <summary>
/// 根据名称获取图层
/// </summary>
/// <param name="mapControl">The map control.</param>
/// <param name="layerName">Name of the layer.</param>
/// <returns>ILayer.</returns>
public static ILayer GetLayerByName(this AxMapControl mapControl, string layerName)
{
var layerFinded = from layer in mapControl.GetLayers() where layer.Name == layerName select layer;
if (layerFinded == null || layerFinded.Count() == 0)
{
return(null);
}
else if (layerFinded.Count() > 1)
{
return(null);
}
else
{
return(layerFinded.First());
}
}
/// <summary>
/// 获取要素图层
/// </summary>
/// <param name="mapControl">The map control.</param>
/// <returns>IEnumerable<IFeatureLayer>.</returns>
public static IEnumerable <IFeatureLayer> GetFeatureLayers(this AxMapControl mapControl)
{
return(from layer in mapControl.GetLayers()
where layer is IFeatureLayer
select layer as IFeatureLayer);
}
