头像功能完善，头像同步更新机制，BUG修复，接下来一段时间针对代码重构，v1.6.9

ClientsLibrary/BasicSupport/NetClientOnline.cs

@@ -23,12 +23,77 @@ namespace ClientsLibrary.BasicSupport
         }
         private void ClearControls()
         {
-            while (MyControls.Count > 0)
+            for (int i = MyControls.Count - 1; i >= 0; i--)
             {
-                MyControls.Pop().Dispose();
+                MyControls[i].Dispose();
+                MyControls.RemoveAt(i);
             }
         }
 
+
+        public void ClientOnline(NetAccount account)
+        {
+            if (account != null)
+            {
+                AddControl(account);
+
+                label2.Text = MyControls.Count.ToString();
+            }
+        }
+
+        public void ClientUpdatePortrait(string userName)
+        {
+            for (int i = 0; i < MyControls.Count; i++)
+            {
+                MyControls[i].UpdatePortrait(userName);
+            }
+        }
+
+        public void ClinetOffline(string userName)
+        {
+            int index = -1;
+            for (int i = 0; i < MyControls.Count; i++)
+            {
+                if (MyControls[i].UniqueId == userName)
+                {
+                    index = i;
+                    break;
+                }
+            }
+
+            if (index >= 0)
+            {
+                MyControls[index].Dispose();
+                MyControls.RemoveAt(index);
+
+                // 重新计算偏移
+
+                Location_Y = 0 - VerticalScroll.Value;
+                for (int i = 0; i < MyControls.Count; i++)
+                {
+                    MyControls[i].Location = new Point(2, Location_Y);
+                    Location_Y += MyControls[i].Height + 4;      
+                }
+            }
+
+            label2.Text = MyControls.Count.ToString();
+        }
+
+        private void AddControl(NetAccount account)
+        {
+            NetClientItem item = new NetClientItem();
+            panel1.Controls.Add(item);
+            // 添加显示
+            item.SetNetAccount(account);
+            item.Location = new Point(2, Location_Y);                                 // 控件的位置
+            int width = VerticalScroll.Visible ? Width - 4 - SystemInformation.VerticalScrollBarWidth : Width - 4; // 控件的宽度
+            item.Size = new Size(width, item.Size.Height);                            // 控件的大小
+            item.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;  // 控件随窗口变化的样式
+
+            Location_Y += item.Height + 4;                                            // 位置偏移
+            MyControls.Add(item);
+        }
+
         public void SetOnlineRender(NetAccount[] accounts)
         {
             SuspendLayout();
@@ -41,21 +106,11 @@ namespace ClientsLibrary.BasicSupport
 
                 if (accounts.Length > 0 && Width > 20)
                 {
-                    int location_y = 25 - VerticalScroll.Value;
+                    int Location_Y = 0 - VerticalScroll.Value;
                     //添加子控件
                     foreach (var m in accounts)
                     {
-                        NetClientItem item = new NetClientItem();
-                        Controls.Add(item);
-                        // 添加显示
-                        item.SetNetAccount(m);
-                        item.Location = new Point(2, location_y);                                 // 控件的位置
-                        int width = VerticalScroll.Visible ? Width - 4 - SystemInformation.VerticalScrollBarWidth : Width - 4; // 控件的宽度
-                        item.Size = new Size(width, item.Size.Height);                            // 控件的大小
-                        item.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;  // 控件随窗口变化的样式
-
-                        location_y += item.Height + 4;                                            // 位置偏移
-                        MyControls.Push(item);                                                 // 控件压入堆栈
+                        AddControl(m);
                     }
                 }
             }
@@ -63,7 +118,9 @@ namespace ClientsLibrary.BasicSupport
             ResumeLayout();
         }
 
-        private Stack<IDisposable> MyControls = new Stack<IDisposable>();
+        private int Location_Y = 0;
+
+        private List<NetClientItem> MyControls = new List<NetClientItem>();
 
         private void NetClientOnline_Paint(object sender, PaintEventArgs e)
         {