fixed #481

HandyOrg · Sep 25, 2020 · 351bde3 · 351bde3
1 parent b30c6ff
commit 351bde3
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/Shared/HandyControl_Shared/Controls/Image/ImageViewer.cs b/src/Shared/HandyControl_Shared/Controls/Image/ImageViewer.cs
@@ -512,6 +512,8 @@ private void Init()
 
         private void Dispatcher_Tick(object sender, EventArgs e)
         {
+            if (_dispatcher == null) return;
+
             if (ImageSource == null || !IsLoaded)
             {
                 _dispatcher.Stop();