STOL4S

using System.Drawing;

namespace GraphicsHelperLibrary
{
    public static class GraphicsHelper
    {
        public static void DrawRotatedImage(this Graphics G, Bitmap _Image, PointF _Position, float _Rotation)
        {
            PointF Offset = new PointF(_Image.Width / 2 + _Position.X,
                _Image.Height / 2 + _Position.Y);

STOL4S

using System.Diagnostics;
using System.Drawing;
using System.Runtime.InteropServices;

namespace ClientExtensions
{
    public static class ClientBounds
    {
        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        private static extern IntPtr FindWindow(string strClassName, string strWindowName);

STOL4S

using System;
using System.Drawing;

namespace GraphicsHelperLibrary
{
    public static class BitmapExtensions
    {
        public static Bitmap FromFileWithDialog()
        {
            OpenFileDialog OpenDialog = new OpenFileDialog();

STOL4S

using System;

namespace SimpleStopwatch
{
    public class Stopwatch
    {
        private DateTime _Start;

        public TimeSpan Time { get { return _Time; } }
        private TimeSpan _Time;

STOL4S

using System;
using System.Collections;

namespace ExtLibrary
{
    public static class ListExtensions
    {
        public static string AsString(this IList _List)
        {
            string _Buffer = "";