public string DestinationFolder {get; set;}

{
    //Does the map have any exportable raster content?
    var canExport = GenerateOfflineMap.Instance.GetCanExportRasterTileCache(map);
    var rasterTileExtent = MapView.Active.Extent;
    if (canExport)
    {
        //Check the available LOD scale ranges
        var scales = GenerateOfflineMap.Instance.GetExportRasterTileCacheScales(map, rasterTileExtent);
        //Pick the desired LOD scale
        var max_scale = scales[scales.Count() / 2];

        //Configure the export parameters
        var export_params = new ExportTileCacheParams()
        {
            Extent = rasterTileExtent,//Use same extent as was used to retrieve scales
            MaximumUserDefinedScale = max_scale
            //DestinationFolder = .... (optional)
        };
        //If DestinationFolder is not set, output defaults to project
        //offline maps location set in the project properties. If that is 
        //not set, output defaults to the current project folder location.

        //Do the export. Depending on the MaximumUserDefinedScale and the
        //area of the extent requested, this can take minutes for tile packages
        //over 1 GB or less if your network speed is slow...
        GenerateOfflineMap.Instance.ExportRasterTileCache(map, export_params);
    }
}

{
    var mapVectorTileExtent = MapView.Active.Extent;
    //Does the map have any exportable vector tile content?
    var canExport = GenerateOfflineMap.Instance.GetCanExportVectorTileCache(map);
    if (canExport)
    {
        //Check the available LOD scale ranges
        var scales = GenerateOfflineMap.Instance.GetExportVectorTileCacheScales(map, mapVectorTileExtent);
        //Pick the desired LOD scale
        var max_scale = scales[scales.Count() / 2];

        //Configure the export parameters
        var export_params = new ExportTileCacheParams()
        {
            Extent = mapVectorTileExtent,//Use same extent as was used to retrieve scales
            MaximumUserDefinedScale = max_scale,
            DestinationFolder = @"C:\Data\Offline"
        };
        //If DestinationFolder is not set, output defaults to project
        //offline maps location set in the project properties. If that is 
        //not set, output defaults to the current project folder location.

        //Do the export. Depending on the MaximumUserDefinedScale and the
        //area of the extent requested, this can take minutes for tile packages
        //over 1 GB or less if your network speed is slow...
        GenerateOfflineMap.Instance.ExportVectorTileCache(map, export_params);
    }
}