WebClientUserAgent Property

public string UserAgent { get; set; }

Public Property UserAgent As String
	Get
	Set

public:
virtual property String^ UserAgent {
	String^ get () sealed;
	void set (String^ value) sealed;
}

abstract UserAgent : string with get, set
override UserAgent : string with get, set

NScrape/[version] (+https://github.com/darrylwhitmore/NScrape)

var webClient = new WebClient {
    UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko"
};