初始化提交

2026-09-09 18:42:38 +08:00
commit 40a6cb3baf
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+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Windows.Forms.Design;
+
+namespace JinYuan.ControlLib.ScrollBar
+{
+    /// <summary>
+    /// Class ScrollbarControlDesigner.
+    /// Implements the <see cref="System.Windows.Forms.Design.ControlDesigner" />
+    /// </summary>
+    /// <seealso cref="System.Windows.Forms.Design.ControlDesigner" />
+    internal class ScrollbarControlDesigner : System.Windows.Forms.Design.ControlDesigner
+    {
+        /// <summary>
+        /// 获取指示组件的移动功能的选择规则。
+        /// </summary>
+        /// <value>The selection rules.</value>
+        public override SelectionRules SelectionRules
+        {
+            get
+            {
+                SelectionRules selectionRules = base.SelectionRules;
+                PropertyDescriptor propDescriptor = TypeDescriptor.GetProperties(this.Component)["AutoSize"];
+                if (propDescriptor != null)
+                {
+                    bool autoSize = (bool)propDescriptor.GetValue(this.Component);
+                    if (autoSize)
+                    {
+                        selectionRules = SelectionRules.Visible | SelectionRules.Moveable | SelectionRules.BottomSizeable | SelectionRules.TopSizeable;
+                    }
+                    else
+                    {
+                        selectionRules = SelectionRules.Visible | SelectionRules.AllSizeable | SelectionRules.Moveable;
+                    }
+                }
+                return selectionRules;
+            }
+        }
+    }
+}