Work with data files

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// Path to the local vector tile package (.vtpk file).
string myDocumentsFolder = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
string tileCachePath = System.IO.Path.Combine(myDocumentsFolder, "PencilMapTiles.vtpk");

// Create a vector tile cache from the local data.
VectorTileCache cache = new VectorTileCache(tileCachePath);

// Use the tile cache to create an ArcGISVectorTiledLayer.
ArcGISVectorTiledLayer tiledLayer = new ArcGISVectorTiledLayer(cache);

// Display the vector tiled layer as a basemap.
MyMapView.Map = new Map(new Basemap(tiledLayer));

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// Path to the local package (.tpk or .tpkx file).
string myDocumentsFolder = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
string tileCachePath = Path.Combine(myDocumentsFolder, "StreetMapTiles.tpkx");

// Create a tile cache from the local data.
TileCache cache = new TileCache(tileCachePath);

// Use the tile cache to create an ArcGISTiledLayer.
ArcGISTiledLayer tiledLayer = new ArcGISTiledLayer(cache);

// Display the tiled layer as a basemap.
MyMapView.Map = new Map(new Basemap(tiledLayer));

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// Path to the local package (.tpkx or .tpkx file).
string myDocumentsFolder = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
string tileCachePath = Path.Combine(myDocumentsFolder, "WorldElevation3DTiles.tpkx");

// Create a tile cache from the local data.
TileCache cache = new TileCache(tileCachePath);

// Use the tile cache to create an ArcGISTiledElevationSource.
ArcGISTiledElevationSource localElevationSource = new ArcGISTiledElevationSource(cache);

// Create a surface with the elevation source.
Surface elevationSurface = new Surface();
elevationSurface.ElevationSources.Add(localElevationSource);

// Set the elevation source into your scene as its base surface.
Scene scene = new Scene();
scene.BaseSurface = elevationSurface;
MySceneView.Scene = scene;

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public async void LayerFromMobileGeodatabase(string mobileGeodatabaseFilePath)
{
    Geodatabase localGdb;
    GeodatabaseFeatureTable trailheadsTable;

    // Open the geodatabase if the file exists at the specified path.
    if (File.Exists(mobileGeodatabaseFilePath))
    {
        // Get the geodatabase using the path.
        localGdb = await Geodatabase.OpenAsync(mobileGeodatabaseFilePath);

        // Access the "Trailheads" feature table in the geodatabase using its name.
        trailheadsTable = localGdb.GetGeodatabaseFeatureTable("Trailheads");
    }
    else // If the geodatabase doesn't exist, create it.
    {
        localGdb = await Geodatabase.CreateAsync(mobileGeodatabaseFilePath);

        // Create a new domain in the geodatabase for rating values from 1-10.
        var domainDef = new RangeDomainDescription("RatingDomain", FieldType.Int16, (Int16)1, (Int16)10);
        await localGdb.CreateDomainAsync(domainDef);

        // Create a table description for a "Trailheads" table that will store points.
        var tableDef = new TableDescription("Trailheads", SpatialReferences.Wgs84, GeometryType.Point);

        // Add field descriptions to define "Name" and "Difficulty" fields
        tableDef.FieldDescriptions.Add(new FieldDescription("Name", FieldType.Text));
        tableDef.FieldDescriptions.Add(
            new FieldDescription("Difficulty", FieldType.Int16)
            {
                // Apply the new range domain to the Difficulty field.
                DomainName = "RatingDomain"
            });

        // Create a new trailheads table in the geodatabase using the table description.
        trailheadsTable = await localGdb.CreateTableAsync(tableDef);
    }

    // Create a feature layer from the table and add it to the map.
    var trailheadsLayer = new FeatureLayer(trailheadsTable);
    MyMapView.Map.OperationalLayers.Add(trailheadsLayer);
}

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// Get the path to a local geopackage.
string geopackagePath = Path.Combine(Environment.ExpandEnvironmentVariables("%TEMP%"), "trails.gpkg");

// Open the geopackage by providing the path.
GeoPackage trailsGpkg = await GeoPackage.OpenAsync(geopackagePath);

// Iterate feature tables in the package to find one by name.
foreach (GeoPackageFeatureTable table in trailsGpkg.GeoPackageFeatureTables)
{
    if (table.TableName.ToLower() == "trailheads")
    {
        // Create a feature layer from the table and add it to the map's operational layers.
        FeatureLayer trailheadsLayer = new FeatureLayer(table);
        MyMapView.Map.OperationalLayers.Add(trailheadsLayer);
    }
}

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// Get the path to a local shapefile.
string shapefilePath = Path.Combine(Environment.ExpandEnvironmentVariables("%TEMP%"), "trails.shp");

// Create a shapefile feature table using the path.
ShapefileFeatureTable trailsFeatureTable = await ShapefileFeatureTable.OpenAsync(shapefilePath);

// Create a feature layer from the table and add it to the map's operational layers.
FeatureLayer trailsLayer = new FeatureLayer(trailsFeatureTable);
MyMapView.Map.OperationalLayers.Add(trailsLayer);