fix collection modified exception.

6 years ago · 97ae32c619
1 changed files with 1 additions and 1 deletions
--- a/src/Avalonia.Controls/Window.cs
+++ b/src/Avalonia.Controls/Window.cs
@ -399,7 +399,7 @@ namespace Avalonia.Controls
        {
            bool canClose = true;

-            foreach(var child in _children)
+            foreach(var child in _children.ToList())
            {
                if(!child.HandleClosing())
                {