From 1e2a3cae1037941be8d5cce14d46b54ada1e2104 Mon Sep 17 00:00:00 2001
From: Joseph Henry <joseph.henry@zerotier.com>
Date: Fri, 8 Jan 2021 14:45:00 -0800
Subject: [PATCH] Calling convention fix for C# callback delegate from C++

---
 examples/csharp/Node.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/examples/csharp/Node.cs b/examples/csharp/Node.cs
index 05f4b38..89b79e0 100644
--- a/examples/csharp/Node.cs
+++ b/examples/csharp/Node.cs
@@ -15,6 +15,7 @@ using System.Runtime.InteropServices;
 using System;
 
 // Prototype of callback used by ZeroTier to signal events to C# application
+[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
 public delegate void CSharpCallbackWithStruct(IntPtr msgPtr);
 
 /// <summary>
@@ -473,7 +474,7 @@ namespace ZeroTier
 		struct zts_callback_msg
 		{
 			public short eventCode;
-			[MarshalAs(UnmanagedType.LPStruct, SizeConst = 4)]
+			//[MarshalAs(UnmanagedType.LPStruct, SizeConst = 4)]
 			public IntPtr node;
 			public IntPtr network;
 		}