Microsoft.Bcl vs System.Net.Http

Provides a programming interface for modern HTTP applications, including HTTP client components that allow applications to consume web services over HTTP and HTTP components that can be used by both clients and servers for parsing HTTP headers. Commonly Used Types: System.Net.Http.HttpResponseMessage System.Net.Http.DelegatingHandler System.Net.Http.HttpRequestException System.Net.Http.HttpClient System.Net.Http.MultipartContent System.Net.Http.Headers.HttpContentHeaders System.Net.Http.HttpClientHandler System.Net.Http.StreamContent System.Net.Http.FormUrlEncodedContent System.Net.Http.HttpMessageHandler When using NuGet 3.x this package requires at least version 3.4.

This packages enables projects targeting down-level platforms to use some of the types added in later versions including: - CallerMemberNameAttribute - CallerLineNumberAttribute - CallerFilePathAttribute - Tuple<T1, T2, ...> - IProgress<T> - IStructuralComparable - IStructuralEquatable - Task - InvalidDataException These types are "unified" to their later version equivalent. For example, when running on .NET Framework 4.5, IProgress<T> from this package will be seen by the runtime as the same type as the one already available in the platform. Supported Platforms: - .NET Framework 4 (with KB2468871) - Windows 8 - Windows Phone 8.1 - Windows Phone Silverlight 7.5 - Silverlight 4 - Portable Class Libraries This package is only required for projects targeting .NET Framework 4.5, Windows 8, Windows Phone Silverlight 8, or Windows Phone 8.1 when consuming a library that uses this package.