/// <summary>
/// This class can only be instantiated when there is a clipboard lock, that is why the constructor is private.
/// </summary>
private ClipboardUpdateInformation(IClipboardAccessToken clipboardAccessToken)
{
FormatIds = clipboardAccessToken.AvailableFormatIds().ToList();
}
/// <summary>
/// Enumerate through all formats on the clipboard, assumes the clipboard was already locked.
/// </summary>
/// <returns>IEnumerable with strings defining the format</returns>
public static IEnumerable <string> AvailableFormats(this IClipboardAccessToken clipboardAccessToken)
{
clipboardAccessToken.ThrowWhenNoAccess();
return(clipboardAccessToken.AvailableFormatIds().Select(MapIdToFormat).Where(format => !string.IsNullOrEmpty(format)));
}