实时聊天界面文字颜色更改，消息发送人进行高亮显示。

软件系统客户端模版/UIControls/OnlineChatRender.cs

@@ -6,6 +6,7 @@ using System.Data;
 using System.Linq;
 using System.Text;
 using System.Windows.Forms;
+using System.Text.RegularExpressions;
 
 namespace 软件系统客户端模版.UIControls
 {
@@ -40,6 +41,13 @@ namespace 软件系统客户端模版.UIControls
         public void DealwithReceive(string str)
         {
            richTextBox1.AppendText(str + Environment.NewLine);
+            int length = str.IndexOf(Environment.NewLine) + 1;
+            if (length > 0)
+            {
+                richTextBox1.Select(richTextBox1.Text.Length - str.Length + 1, length);
+                richTextBox1.SelectionColor = Color.Blue;
+            }
+            ScrollToDown();
         }
         /// <summary>
         /// 新增聊天的历史记录
@@ -48,11 +56,34 @@ namespace 软件系统客户端模版.UIControls
         public void AddChatsHistory(string str)
         {
             richTextBox1.Text = str;
+            MatchCollection mc = Regex.Matches(str, @"\u0002.+\r\n");
+            int indexrow = 0;
+            if (str != "")
+            {
+                foreach (Match m in mc)
+                {
+                    richTextBox1.Select(m.Index - indexrow * 2, m.Length - 2);
+                    richTextBox1.SelectionColor = Color.Blue;
+                    indexrow++;
+                }
+            }
+            ScrollToDown();
         }
 
         public void InputFocus()
         {
             textBox1.Focus();
         }
+
+
+
+        /// <summary>
+        /// 光标滚动到最底端
+        /// </summary>
+        public void ScrollToDown()
+        {
+            richTextBox1.SelectionStart = richTextBox1.Text.Length;
+            richTextBox1.ScrollToCaret();
+        }
     }
 }