ConnectionSettings Task allows the user to set and adjust the device network settings. ConnectionSettings task is defined in Microsoft.Phone.Tasks namespace as the following:

The user can set the device network setting to any of the following:

If you want to set the Network connection setting to WiFi, you can set it by doing this:

ConnectionSettingsTask connectionSettingsTask = new ConnectionSettingsTask();
connectionSettingsTask.ConnectionSettingsType = ConnectionSettingsType.WiFi;
connectionSettingsTask.Show();

If you want to set Network connection setting to Bluetooth, you can set it like this:

ConnectionSettingsTask connectionSettingsTask = new ConnectionSettingsTask();
connectionSettingsTask.ConnectionSettingsType = ConnectionSettingsType.Bluetooth;
connectionSettingsTask.Show();

If you want to set Network connection setting to Cellular, you can set it like this:

ConnectionSettingsTask connectionSettingsTask = new ConnectionSettingsTask();
connectionSettingsTask.ConnectionSettingsType = ConnectionSettingsType.Cellular;
connectionSettingsTask.Show();

If you want to set Network connection setting to Airplane mode, you can set it like this:

ConnectionSettingsTask connectionSettingsTask = new ConnectionSettingsTask();
connectionSettingsTask.ConnectionSettingsType = ConnectionSettingsType.AirplaneMode;
connectionSettingsTask.Show();

In this way you can set the network setting of the device using the ConnectionSettings task. I hope this post is useful to you and thanks for reading!