PortablePrism.Portable by Andrii Chebukin

<PackageReference Include="PortablePrism.Portable" Version="1.0.1" />

 UriQuery

public class UriQuery : IEnumerable<KeyValuePair<string, string>>, IEnumerable
Represents a query in a Uri.
public string this[string key] { get; }

Gets the String with the specified key.

public UriQuery()

Initializes a new instance of the UriQuery class.

public UriQuery(string query)

Initializes a new instance of the UriQuery class with a query string.

public void Add(string key, string value)

Adds the specified key and value.

public IEnumerator<KeyValuePair<string, string>> GetEnumerator()

Gets the enumerator.