From 6a46bd4c96d0b0688cb0dac655b764020229a877 Mon Sep 17 00:00:00 2001
From: David Hall <dahall@byu.net>
Date: Wed, 13 Mar 2019 09:56:21 -0600
Subject: [PATCH] Added null handler to MarshalToPtr

---
 Core/Extensions/InteropExtensions.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Core/Extensions/InteropExtensions.cs b/Core/Extensions/InteropExtensions.cs
index 04a33674..4b525714 100644
--- a/Core/Extensions/InteropExtensions.cs
+++ b/Core/Extensions/InteropExtensions.cs
@@ -105,6 +105,7 @@ namespace Vanara.Extensions
 		/// <param name="prefixBytes">The number of bytes to skip before writing the first element of <paramref name="items"/>.</param>
 		public static void MarshalToPtr<T>(this IEnumerable<T> items, IntPtr ptr, int prefixBytes = 0)
 		{
+			if (items is null) return;
 			var stSize = Marshal.SizeOf(typeof(T));
 			var i = 0;
 			foreach (var item in items)