* UIDataGridView: 增加了可设置垂直滚动条宽度的属性

SunnyUI/Controls/UIDataGridView.cs

@@ -43,6 +43,7 @@
  * 2022-07-11: V3.2.1 增加滚动条边框线的设置
  * 2022-07-28: V3.2.2 修复了ScrollBars为None时仍然显示滚动条的问题
  * 2022-07-28: V3.2.2 修复了单行时表格高度低时，垂直滚动条拖拽至底部出错的问题
+ * 2022-10-14: V3.2.6 增加了可设置垂直滚动条宽度的属性
 ******************************************************************************/
 
 using System;
@@ -115,6 +116,32 @@ namespace Sunny.UI
             HorizontalScrollBar.VisibleChanged += HorizontalScrollBar_VisibleChanged;
         }
 
+        private int scrollBarWidth = 0;
+
+        [DefaultValue(0), Category("SunnyUI"), Description("垂直滚动条宽度，最小为原生滚动条宽度")]
+        public int ScrollBarWidth
+        {
+            get => scrollBarWidth;
+            set
+            {
+                scrollBarWidth = value;
+                SetScrollInfo();
+            }
+        }
+
+        private int scrollBarHandleWidth = 6;
+
+        [DefaultValue(6), Category("SunnyUI"), Description("垂直滚动条滑块宽度，最小为原生滚动条宽度")]
+        public int ScrollBarHandleWidth
+        {
+            get => scrollBarHandleWidth;
+            set
+            {
+                scrollBarHandleWidth = value;
+                if (VBar != null) VBar.FillWidth = value;
+            }
+        }
+
         /// <summary>
         /// 禁止控件跟随窗体缩放
         /// </summary>
@@ -438,11 +465,13 @@ namespace Sunny.UI
                 return;
             }
 
+            int barWidth = Math.Max(ScrollBarInfo.VerticalScrollBarWidth(), ScrollBarWidth);
+
             if (BorderStyle == BorderStyle.FixedSingle)
             {
-                VBar.Left = Width - ScrollBarInfo.VerticalScrollBarWidth() - 2;
+                VBar.Left = Width - barWidth - 2;
                 VBar.Top = 1;
-                VBar.Width = ScrollBarInfo.VerticalScrollBarWidth() + 1;
+                VBar.Width = barWidth + 1;
                 VBar.Height = Height - 2;
                 VBar.BringToFront();
 
@@ -454,9 +483,9 @@ namespace Sunny.UI
             }
             else
             {
-                VBar.Left = Width - ScrollBarInfo.VerticalScrollBarWidth() - 1;
+                VBar.Left = Width - barWidth - 1;
                 VBar.Top = 0;
-                VBar.Width = ScrollBarInfo.VerticalScrollBarWidth() + 1;
+                VBar.Width = barWidth + 1;
                 VBar.Height = Height;
                 VBar.BringToFront();
 

SunnyUI/Controls/UIScrollBar.cs

@@ -65,6 +65,19 @@ namespace Sunny.UI
         private bool isScrollUp = true;
         private bool largeChange = true;
 
+        private int fillWidth = 6;
+
+        [DefaultValue(6)]
+        public int FillWidth
+        {
+            get => fillWidth;
+            set
+            {
+                fillWidth = Math.Max(6, value);
+                Invalidate();
+            }
+        }
+
         public event EventHandler ValueChanged;
 
         protected override void Dispose(bool disposing)
@@ -141,7 +154,8 @@ namespace Sunny.UI
 
         private Rectangle GetValueRect()
         {
-            return new Rectangle(Width / 2 - 3, ValueToPos(scrollValue), 6, barHeight);
+            int w = Math.Min(Width - 2, FillWidth);
+            return new Rectangle(Width / 2 - FillWidth / 2, ValueToPos(scrollValue), FillWidth, barHeight);
         }
 
         private int ValueToPos(int value)