DarkTextBoxWithScroll

public class DarkTextBoxScroll : Control
    {
        private static TextBox textBox = new TextBox();

        public DarkTextBoxScroll()
        {
            Paint += UserControl1_Paint;
            Resize += UserControl1_Resize;
            textBox.Multiline = true;
            textBox.BorderStyle = BorderStyle.None;
            Controls.Add(textBox);
            textBox.BackColor = Color.FromArgb(22, 22, 22);
            textBox.ForeColor = Color.White;
        }

        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        private static extern int SendMessage(IntPtr hWnd, int wMsg, IntPtr wParam, IntPtr lParam);

        private const int WM_VSCROLL = 0x115;
        private const int SB_BOTTOM = 7;

        /// <summary>
        /// Scrolls the vertical scroll bar of a multi-line text box to the bottom.
        /// </summary>
        /// <param name="tb">The text box to scroll</param>
        public static void ScrollToBottom(TextBox tb)
        {
            SendMessage(tb.Handle, WM_VSCROLL, (IntPtr)SB_BOTTOM, IntPtr.Zero);
        }

        /// <summary>
        /// Use this method to scroll the textbox down to the bottom.
        /// </summary>
        public static void Scroll()
        {
            ScrollToBottom(textBox);
        }

        /// <summary>
        /// The text property.
        /// </summary>
        public override string Text
        {
            get { return textBox.Text; }
            set { textBox.Text = value; }
        }

        /// <summary>
        /// The TextChanged event.
        /// </summary>
        [Browsable(true)]
        public new event EventHandler TextChanged
        {
            add
            {
                textBox.TextChanged += value;
            }
            remove
            {
                textBox.TextChanged -= value;
            }
        }

        /// <summary>
        /// When you resize the control.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void UserControl1_Resize(object sender, EventArgs e)
        {
            textBox.Size = new Size(Width - 3, Height - 2);
            textBox.Location = new Point(2, 1);
        }

        /// <summary>
        /// Paint the user control.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void UserControl1_Paint(object sender, PaintEventArgs e)
        {
            // Let's draw a rectangle around the control.
            ControlPaint.DrawBorder(e.Graphics, ClientRectangle, Color.FromArgb(255, 44, 44, 44), ButtonBorderStyle.Solid);
        }
    }