From bd5161c0a77c380fbacd8f1358beb3e89251631b Mon Sep 17 00:00:00 2001
From: NaBian <836904362@qq.com>
Date: Mon, 3 Apr 2023 23:14:52 +0800
Subject: [PATCH] fix: close #1373

---
 .../HandyControl_Shared/Controls/Image/ImageViewer.cs  | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/Shared/HandyControl_Shared/Controls/Image/ImageViewer.cs b/src/Shared/HandyControl_Shared/Controls/Image/ImageViewer.cs
index a75951a6..9ae80e84 100644
--- a/src/Shared/HandyControl_Shared/Controls/Image/ImageViewer.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Image/ImageViewer.cs
@@ -729,8 +729,14 @@ public class ImageViewer : Control
         var olgImageHeight = ImageHeight;
 
         var tempScale = isEnlarge ? _imgActualScale + ScaleInternal : _imgActualScale - ScaleInternal;
-        if (Math.Abs(tempScale) < ScaleInternal || Math.Abs(tempScale - 50) < 0.001)
-            return;
+        if (Math.Abs(tempScale) < ScaleInternal)
+        {
+            tempScale = ScaleInternal;
+        }
+        else if (Math.Abs(tempScale) > 50)
+        {
+            tempScale = 50;
+        }
 
         ImageScale = tempScale;