From 837a8ad04e9c2421b9d218d94c65e0f6e56759f2 Mon Sep 17 00:00:00 2001
From: lwq <li2_pei@126.com>
Date: Thu, 26 Nov 2020 13:46:18 +0800
Subject: [PATCH] fixd using FatalGlobal not in dispather caused attempt to
 access control  and throw an UnvalidOprationException

---
 .../HandyControl_Shared/Controls/Growl/Growl.cs    | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Shared/HandyControl_Shared/Controls/Growl/Growl.cs b/src/Shared/HandyControl_Shared/Controls/Growl/Growl.cs
index 19f4ee51..0e1842a6 100644
--- a/src/Shared/HandyControl_Shared/Controls/Growl/Growl.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Growl/Growl.cs
@@ -485,7 +485,19 @@ namespace HandyControl.Controls
                         growlInfo.IconBrushKey = ResourceToken.PrimaryTextBrush;
                         growlInfo.StaysOpen = true;
                         growlInfo.ShowCloseButton = false;
-                        if (GrowlPanel.ContextMenu != null) GrowlPanel.ContextMenu.Opacity = 0;
+                        Application.Current.Dispatcher?.Invoke(
+#if NET40
+                            new Action(
+#endif
+                                () =>
+                                {
+                                        if (GrowlPanel.ContextMenu != null) GrowlPanel.ContextMenu.Opacity = 0;
+                                }
+
+#if NET40
+                                )
+#endif
+                                );
                     }
                     else
                     {