public class DownloadOptions 

var staging = ApplicationOptions.DownloadOptions.StagingLocation;

var ppkx_loc = ApplicationOptions.DownloadOptions.UnpackPPKXLocation;
var ask_ppkx_loc = ApplicationOptions.DownloadOptions.AskForUnpackPPKXLocation;

var other_loc = ApplicationOptions.DownloadOptions.UnpackOtherLocation;
var ask_other_loc = ApplicationOptions.DownloadOptions.AskForUnpackOtherLocation;
var use_proj_folder = ApplicationOptions.DownloadOptions.UnpackOtherToProjectLocation;

var offline_loc = ApplicationOptions.DownloadOptions.OfflineMapsLocation;
var ask_offline_loc = ApplicationOptions.DownloadOptions.AskForOfflineMapsLocation;
var use_proj_folder_offline = ApplicationOptions.DownloadOptions.OfflineMapsToProjectLocation;

ApplicationOptions.DownloadOptions.StagingLocation = @"D:\data\staging";

//Options are mutually exclusive.

//Setting ApplicationOptions.DownloadOptions.AskForUnpackPPKXLocation = true
//supersedes any value in ApplicationOptions.DownloadOptions.UnpackPPKXLocation
//and will prompt the user on an unpack. The value of 
//ApplicationOptions.DownloadOptions.UnpackPPKXLocation will be unaffected
//and is ignored. This is the same behavior as on the Pro UI.
ApplicationOptions.DownloadOptions.AskForUnpackPPKXLocation = true;//override location

//The default location is typically <My Documents>\ArcGIS\Packages
//Setting ApplicationOptions.DownloadOptions.UnpackPPKXLocation to any
//location overrides ApplicationOptions.DownloadOptions.AskForUnpackPPKXLocation
//and sets it to false. This is the same behavior as on the Pro UI.
ApplicationOptions.DownloadOptions.UnpackPPKXLocation = @"D:\data\for_ppkx";

//Or, if ApplicationOptions.DownloadOptions.UnpackPPKXLocation already
//contains a valid path, set ApplicationOptions.DownloadOptions.AskForUnpackPPKXLocation
//explicitly to false to use the UnpackPPKXLocation
if (!string.IsNullOrEmpty(ApplicationOptions.DownloadOptions.UnpackPPKXLocation))
  ApplicationOptions.DownloadOptions.AskForUnpackPPKXLocation = false;

//UnpackOther settings control unpacking of anything _other than_
//a ppkx or aptx. Options are mutually exclusive.

//Set ApplicationOptions.DownloadOptions.UnpackOtherLocation explicitly to
//toggle ApplicationOptions.DownloadOptions.AskForUnpackOtherLocation and
//ApplicationOptions.DownloadOptions.UnpackOtherToProjectLocation to false
//Note: default is typically <My Documents>\ArcGIS\Packages, _not_ null.
//This is the same behavior as on the Pro UI.
ApplicationOptions.DownloadOptions.UnpackOtherLocation = @"D:\data\for_other";

//or...to use a location already stored in UnpackOtherLocation as the
//default without changing it, 
//set ApplicationOptions.DownloadOptions.AskForUnpackOtherLocation and
//ApplicationOptions.DownloadOptions.UnpackOtherToProjectLocation to false
//explicitly. This is the same behavior as on the Pro UI.
if (!string.IsNullOrEmpty(ApplicationOptions.DownloadOptions.UnpackOtherLocation))
{
  ApplicationOptions.DownloadOptions.AskForUnpackOtherLocation = false;
  ApplicationOptions.DownloadOptions.UnpackOtherToProjectLocation = false;
}

//Setting ApplicationOptions.DownloadOptions.AskForUnpackOtherLocation to
//true overrides any UnpackOtherLocation value and sets 
//ApplicationOptions.DownloadOptions.UnpackOtherToProjectLocation to false.
//This is the same behavior as on the Pro UI.
ApplicationOptions.DownloadOptions.AskForUnpackOtherLocation = true;

//Setting ApplicationOptions.DownloadOptions.UnpackOtherToProjectLocation to
//true overrides any UnpackOtherLocation value and sets 
//ApplicationOptions.DownloadOptions.AskForUnpackOtherLocation to false.
//This is the same behavior as on the Pro UI.
ApplicationOptions.DownloadOptions.UnpackOtherToProjectLocation = false;

//OfflineMaps settings control where map content that is taken
//offline is copied to on the local machine. Options are mutually exclusive.

//Set ApplicationOptions.DownloadOptions.OfflineMapsLocation explicitly to
//toggle ApplicationOptions.DownloadOptions.AskForOfflineMapsLocation and
//ApplicationOptions.DownloadOptions.OfflineMapsToProjectLocation to false
//Note: default is typically <My Documents>\ArcGIS\OfflineMaps, _not_ null.
//This is the same behavior as on the Pro UI.
ApplicationOptions.DownloadOptions.OfflineMapsLocation = @"D:\data\for_offline";

//or...to use a location already stored in OfflineMapsLocation as the
//default without changing it, 
//set ApplicationOptions.DownloadOptions.AskForOfflineMapsLocation and
//ApplicationOptions.DownloadOptions.OfflineMapsToProjectLocation to false
//explicitly.
if (!string.IsNullOrEmpty(ApplicationOptions.DownloadOptions.OfflineMapsLocation))
{
  ApplicationOptions.DownloadOptions.AskForOfflineMapsLocation = false;
  ApplicationOptions.DownloadOptions.OfflineMapsToProjectLocation = false;
}

//Setting ApplicationOptions.DownloadOptions.AskForOfflineMapsLocation to
//true overrides any OfflineMapsLocation value and sets 
//ApplicationOptions.DownloadOptions.OfflineMapsToProjectLocation to false.
//This is the same behavior as on the Pro UI.
ApplicationOptions.DownloadOptions.AskForOfflineMapsLocation = true;

//Setting ApplicationOptions.DownloadOptions.OfflineMapsToProjectLocation to
//true overrides any OfflineMapsLocation value and sets 
//ApplicationOptions.DownloadOptions.AskForOfflineMapsLocation to false.
//This is the same behavior as on the Pro UI.
ApplicationOptions.DownloadOptions.OfflineMapsToProjectLocation = true;