/// <summary>
/// Constructor initializes fields
/// </summary>
public Presentations()
{
var random = new Random();
this.URI = $"wikipedia.org/wiki/presentations/{this.uris[random.Next(this.uris.Count)]}";
this.Format = (FormatPresentations)random.Next(Enum.GetNames(typeof(FormatPresentations)).Length);
}
/// <summary>
/// Сopy constructor
/// </summary>
/// <param name="URI">URI</param>
/// <param name="Format">Format</param>
public Presentations(string URI, FormatPresentations Format)
{
this.URI = URI;
this.Format = Format;
}