From 9d335c3a96b3ca1d6c9aedcd6a5c1408375d4e78 Mon Sep 17 00:00:00 2001
From: v-yadli <yatao.li@live.com>
Date: Sun, 13 Dec 2020 02:11:28 +0800
Subject: [PATCH] fix #4996

---
 native/Avalonia.Native/src/OSX/window.mm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/native/Avalonia.Native/src/OSX/window.mm b/native/Avalonia.Native/src/OSX/window.mm
index 8419258fe9..9cb5fcbb58 100644
--- a/native/Avalonia.Native/src/OSX/window.mm
+++ b/native/Avalonia.Native/src/OSX/window.mm
@@ -1590,7 +1590,12 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
      
     if(_parent != nullptr)
     {
-        _lastKeyHandled = _parent->BaseEvents->RawKeyEvent(type, timestamp, modifiers, key);
+        auto handled = _parent->BaseEvents->RawKeyEvent(type, timestamp, modifiers, key);
+        if (key != LeftCtrl && key != RightCtrl) {
+          _lastKeyHandled = handled;
+        } else {
+          _lastKeyHandled = false;
+        }
     }
 }