From d693312338b833b1ae99578d8021d479a8921120 Mon Sep 17 00:00:00 2001
From: cuiliang <cuiliang.bj@gmail.com>
Date: Wed, 11 Aug 2021 14:38:45 +0800
Subject: [PATCH] Avoid duplicated ResourceDictionary

---
 .../Tools/Helper/ResourceHelper.cs             | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/src/Shared/HandyControl_Shared/Tools/Helper/ResourceHelper.cs b/src/Shared/HandyControl_Shared/Tools/Helper/ResourceHelper.cs
index 18c60220..9bdb4b87 100644
--- a/src/Shared/HandyControl_Shared/Tools/Helper/ResourceHelper.cs
+++ b/src/Shared/HandyControl_Shared/Tools/Helper/ResourceHelper.cs
@@ -79,12 +79,24 @@ namespace HandyControl.Tools
             Source = new Uri($"pack://application:,,,/HandyControl;component/Themes/Skin{skin}.xaml")
         };
 
+        
+		
+		private static ResourceDictionary _theme;
+
         /// <summary>
         ///     get HandyControl theme
         /// </summary>
-        public static ResourceDictionary GetTheme() => new()
+        public static ResourceDictionary GetTheme()
         {
-            Source = new Uri("pack://application:,,,/HandyControl;component/Themes/Theme.xaml")
-        };
+            if (_theme == null)
+            {
+                _theme = new()
+                {
+                    Source = new Uri("pack://application:,,,/HandyControl;component/Themes/Theme.xaml")
+                };
+            }
+
+            return _theme;
+        }
     }
 }