From ee9b5995aa742f508fb7011f05b531bc3e93007c Mon Sep 17 00:00:00 2001
From: NaBian <836904362@qq.com>
Date: Thu, 18 Jun 2020 00:55:14 +0800
Subject: [PATCH] fixed #399

---
 src/Shared/HandyControl_Shared/Controls/Carousel/Carousel.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Shared/HandyControl_Shared/Controls/Carousel/Carousel.cs b/src/Shared/HandyControl_Shared/Controls/Carousel/Carousel.cs
index 6ff7f180..3528fe56 100644
--- a/src/Shared/HandyControl_Shared/Controls/Carousel/Carousel.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Carousel/Carousel.cs
@@ -133,7 +133,7 @@ namespace HandyControl.Controls
             if (_isDisposed) return;
 
             IsVisibleChanged -= Carousel_IsVisibleChanged;
-            _updateTimer.Stop();
+            _updateTimer?.Stop();
             _isDisposed = true;
 
             GC.SuppressFinalize(this);