Update RichTextLabel to use RichTextBox v5 and add URL wrapper

Core/Controls/RichTextLabel.cs

@@ -13,6 +13,28 @@ public static string Wrap(string str){
             return rtf;
         }
 
+        /// <summary>
+        /// Wraps URL tags around a link.
+        /// </summary>
+        public static string AddLink(string url){
+            return @"{\field{\*\fldinst{HYPERLINK """+url+@"""}}{\fldrslt{\ul\cf1 "+url+@"}}}";
+        }
+
+        /// <summary>
+        /// Uses v5 of RichTextBox, which fixes URLs and other crap.
+        /// </summary>
+        protected override CreateParams CreateParams{
+            get{
+                CreateParams createParams = base.CreateParams;
+
+                if (Program.LoadLibrary("msftedit.dll") != IntPtr.Zero){
+                    createParams.ClassName = "RICHEDIT50W";
+                }
+
+                return createParams;
+            }
+        }
+
         public RichTextLabel(){
             InitializeComponent();
 

Program.cs

@@ -2,6 +2,7 @@
 using System;
 using System.Globalization;
 using System.IO;
+using System.Runtime.InteropServices;
 using System.Windows.Forms;
 using TweetDick.Configuration;
 using TweetDick.Core;
@@ -29,6 +30,9 @@ static Program(){
             UserConfig = UserConfig.Load(Path.Combine(StoragePath,"TD_UserConfig.cfg"));
         }
 
+        [DllImport("kernel32.dll", CharSet = CharSet.Auto)]
+        public static extern IntPtr LoadLibrary(string name);
+
         [STAThread]
         private static void Main(){
             Application.EnableVisualStyles();