diff --git a/Bin/net40/SunnyUI.dll b/Bin/net40/SunnyUI.dll
index 7ac44c16..c3803307 100644
Binary files a/Bin/net40/SunnyUI.dll and b/Bin/net40/SunnyUI.dll differ
diff --git a/SunnyUI/Common/UControl.cs b/SunnyUI/Common/UControl.cs
index 6586206e..16d0f0f0 100644
--- a/SunnyUI/Common/UControl.cs
+++ b/SunnyUI/Common/UControl.cs
@@ -25,7 +25,6 @@ using System.ComponentModel;
 using System.Drawing;
 using System.Drawing.Drawing2D;
 using System.Drawing.Imaging;
-using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Windows.Forms;
@@ -43,17 +42,14 @@ namespace Sunny.UI
             timer.Start();
         }
 
-        public static Point LocationOnScreen(this Control ctrl)
+        public static Rectangle ScreenRectangle(this Control ctrl)
         {
-            Point point = new Point(0, 0);
-            do
-            {
-                point.Offset(ctrl.Location);
-                ctrl = ctrl.Parent;
-            }
-            while (ctrl != null);
+            return ctrl.RectangleToScreen(ctrl.ClientRectangle);
+        }
 
-            return point;
+        public static Point ScreenLocation(this Control ctrl)
+        {
+            return ctrl.PointToScreen(new Point(0, 0));
         }
 
         public static Form RootForm(this Control ctrl)
@@ -318,7 +314,7 @@ namespace Sunny.UI
 
             return list;
         }
-        
+
         /// <summary>
         /// 查找包含接口名称的控件列表
         /// </summary>
diff --git a/SunnyUI/Controls/UIListBox.cs b/SunnyUI/Controls/UIListBox.cs
index c22d903b..a54dfea7 100644
--- a/SunnyUI/Controls/UIListBox.cs
+++ b/SunnyUI/Controls/UIListBox.cs
@@ -24,6 +24,7 @@
  * 2021-07-29: V3.0.5 增加多选行
  * 2021-07-30: V3.0.5 选中项显示方角
  * 2021-08-04: V3.0.5 增加Items变更的事件
+ * 2021-12-29: V3.0.9 增加修改文字颜色
 ******************************************************************************/
 
 using System;
@@ -421,6 +422,15 @@ namespace Sunny.UI
             }
         }
 
+        protected override void AfterSetForeColor(Color color)
+        {
+            base.AfterSetForeColor(color);
+            if (listbox != null)
+            {
+                listbox.ForeColor = color;
+            }
+        }
+
         private int LastCount;
 
         private int lastBarValue = -1;
diff --git a/SunnyUI/Forms/UIFormHelper.cs b/SunnyUI/Forms/UIFormHelper.cs
index ebdac0ad..9742d96d 100644
--- a/SunnyUI/Forms/UIFormHelper.cs
+++ b/SunnyUI/Forms/UIFormHelper.cs
@@ -673,7 +673,7 @@ namespace Sunny.UI
             mask.Tag = baseForm;
             mask.Text = topmost.ToString();
 
-            var pt = control.LocationOnScreen();
+            var pt = control.ScreenLocation();
             mask.Left = pt.X;
             mask.Top = pt.Y;
             mask.Show();