* UIChart：增加图表的边框线颜色设置

SunnyUI/Charts/UIChart.cs

@@ -96,6 +96,17 @@ namespace Sunny.UI
             set => SetForeColor(value);
         }
 
+        /// <summary>
+        /// 边框颜色
+        /// </summary>
+        [Description("边框颜色"), Category("SunnyUI")]
+        [DefaultValue(typeof(Color), "80, 160, 255")]
+        public Color RectColor
+        {
+            get => rectColor;
+            set => SetRectColor(value);
+        }
+
         /// <summary>
         ///     填充颜色，当值为背景色或透明色或空值则不填充
         /// </summary>