From 00897c5cc5d55a26c7df5642aeeb5287eaa1f699 Mon Sep 17 00:00:00 2001
From: Sunny <yhuse@163.com>
Date: Thu, 3 Apr 2025 23:24:27 +0800
Subject: [PATCH] =?UTF-8?q?*=20UIBreadcrumb:=20=E5=A2=9E=E5=8A=A0SetItemCo?=
 =?UTF-8?q?lor=EF=BC=8C=E8=AE=BE=E7=BD=AE=E5=8D=95=E4=B8=AA=E8=8A=82?=
 =?UTF-8?q?=E7=82=B9=E9=A2=9C=E8=89=B2=EF=BC=8C=E5=8F=AF=E4=BB=A5=E7=94=A8?=
 =?UTF-8?q?RemoveItemColor=E7=A7=BB=E9=99=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 SunnyUI/Controls/UIBreadcrumb.cs | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/SunnyUI/Controls/UIBreadcrumb.cs b/SunnyUI/Controls/UIBreadcrumb.cs
index 857d0492..cc61c310 100644
--- a/SunnyUI/Controls/UIBreadcrumb.cs
+++ b/SunnyUI/Controls/UIBreadcrumb.cs
@@ -22,6 +22,7 @@
  * 2022-03-19: V3.1.1 重构主题配色
  * 2023-05-12: V3.3.6 重构DrawString函数
  * 2023-09-17: V3.4.2 增加Readonly，禁用鼠标点击，可通过代码设置ItemIndex
+ * 2025-04-03: V3.8.2 增加SetItemColor，设置单个节点颜色，可以用RemoveItemColor移除
 ******************************************************************************/
 
 using System;
@@ -112,6 +113,20 @@ namespace Sunny.UI
 
         private readonly ConcurrentDictionary<int, Point[]> ClickArea = new ConcurrentDictionary<int, Point[]>();
 
+        private readonly ConcurrentDictionary<int, Color> ItemsColor = new();
+
+        public void SetItemColor(int index, Color color)
+        {
+            ItemsColor[index] = color;
+            Invalidate();
+        }
+
+        public void RemoveItemColor(int index)
+        {
+            ItemsColor.TryRemove(index, out _);
+            Invalidate();
+        }
+
         /// <summary>
         /// 步骤个数
         /// </summary>
@@ -231,7 +246,9 @@ namespace Sunny.UI
                         ClickArea[index] = pts;
                     }
 
-                    using Brush br = new SolidBrush(index <= ItemIndex ? SelectedColor : UnSelectedColor);
+                    Color color = index <= ItemIndex ? SelectedColor : UnSelectedColor;
+                    if (ItemsColor.TryGetValue(index, out var cc)) color = cc;
+                    using Brush br = new SolidBrush(color);
                     g.FillPolygon(br, points.ToArray());
 
                     g.DrawString(item.ToString(), Font, index <= ItemIndex ? ForeColor : UnSelectedForeColor,