RichardD2

using System;
using System.Windows;

public static class ClipboardHelper
{
	public static void SetString(string value)
	{
		if (!DataTransferHelper.TrySetString(value))
		{
			Clipboard.SetDataObject(value);

RichardD2

    public static class IQueryableExtensions
    {
        private readonly struct HalfList<T>
        {
            private readonly IReadOnlyList<T> _list;
            private readonly int _startIndex;

            private HalfList(IReadOnlyList<T> list, int startIndex, int count)
            {

RichardD2

using System;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.Caching;
using System.Web.Hosting;
using System.Web.Mvc;

namespace NBS.Core.Web.Mvc
{

RichardD2

using System;
using System.Data;
using System.IO;

public static class SqlQueryFormatter
{
    public static string FormatCommand(this IDbCommand command)
    {
        if (command is null) throw new ArgumentNullException(nameof(command));
        

RichardD2

using System;
using System.Collections.Generic;
using System.Linq;

namespace System.Xml.Linq
{
    public static class XmlDefaultNamespaceExtensions
    {
        public static IEnumerable<XElement> DescendantsNs(this XElement container, string name) 
		    => container.Descendants(container.Name.Namespace + name);

RichardD2

public sealed class AsIsBundleOrderer : IBundleOrderer
{
    private AsIsBundleOrderer()
    {
    }

    public static IBundleOrderer Instance { get; } = new AsIsBundleOrderer();

    public IEnumerable<BundleFile> OrderFiles(BundleContext context, IEnumerable<BundleFile> files) => files;
}

RichardD2

using System;
using System.Collections.Generic;
using Microsoft.AspNetCore.Mvc.Rendering;
using Microsoft.AspNetCore.Mvc.ViewFeatures;
using Microsoft.AspNetCore.Razor.TagHelpers;

namespace AspNetCore.Helpers
{
    [HtmlTargetElement(Attributes = ViewBagKeyAttributeName)]
    public class HtmlElementAttributeTagHelper : TagHelper

RichardD2

using System;
using System.Collections.Generic;

namespace Morris
{
    public sealed class MorrisList : IEnumerable<byte>
    {
        private sealed class MorrisNode
        {
            public const int Size = 80000;

RichardD2

using System;
using System.ComponentModel;
using System.Net.Mail;
using System.Threading;
using System.Threading.Tasks;

public static class SmtpClientExtensions
{
    /// <summary>
    /// Sends the specified message to an SMTP server for delivery as an asynchronous operation.

RichardD2

using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;

public sealed class Throttle
{
    private readonly Queue<TaskCompletionSource<IDisposable>> _waiters = new Queue<TaskCompletionSource<IDisposable>>();
    private readonly WaitCallback _releaseCoreCallback;
    private readonly Task<IDisposable> _releaserTask;