From a74e4113ca4d485e46c5d7aa8f42a163799decb2 Mon Sep 17 00:00:00 2001
From: Andre <ondrelogin@users.noreply.github.com>
Date: Fri, 23 Jun 2023 14:43:18 -0700
Subject: [PATCH] #5916 fix multiple drop things (#5917)

* #5916 fix multiple drop things

* Update orleans/Adventure/AdventureGrains/PlayerGrain.cs

---------

Co-authored-by: David Pine <david.pine@microsoft.com>
---
 orleans/Adventure/AdventureGrains/PlayerGrain.cs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/orleans/Adventure/AdventureGrains/PlayerGrain.cs b/orleans/Adventure/AdventureGrains/PlayerGrain.cs
index 12d1158a6b0..2968b011bbd 100644
--- a/orleans/Adventure/AdventureGrains/PlayerGrain.cs
+++ b/orleans/Adventure/AdventureGrains/PlayerGrain.cs
@@ -26,8 +26,12 @@ public override Task OnActivateAsync(CancellationToken cancellationToken)
     async Task IPlayerGrain.Die()
     {
         // Drop everything
-        var tasks = _things.Select(Drop).ToList();
-        await Task.WhenAll(tasks);
+        var dropTasks = new List<Task<string?>>();        
+        foreach (var thing in _things.ToArray() /* New collection */)
+        {
+            dropTasks.Add(Drop(thing));
+        }
+        await Task.WhenAll(dropTasks);
 
         // Exit the game
         if (_roomGrain is not null && _myInfo is not null)