Reorder code files

UI/CTextBox.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Windows.Forms;
+using System.Runtime.InteropServices;
+using System.Drawing;
+
+namespace CsvView.UI
+{
+    public class CTextBox : TextBox
+    {
+        public CTextBox()
+        {
+            WordWrap = false;
+            ScrollBars = ScrollBars.Horizontal;
+            Font = new Font("Courier New", 9, FontStyle.Regular, GraphicsUnit.Point, 0);
+        }
+        
+        [DllImport("user32.dll")]
+        private static extern IntPtr SendMessage(IntPtr hWnd, int msg, IntPtr wp, IntPtr lp);
+
+        private const int WM_MOUSEWHEEL = 0x20a;
+        
+        protected override void WndProc(ref Message m)
+        {
+            if (m.Msg == WM_MOUSEWHEEL)
+            {
+                SendMessage(Parent.Handle, m.Msg, m.WParam, m.LParam);
+            }
+            else
+            {
+                base.WndProc(ref m);
+            }
+        }
+    }
+}