From f1b7e7c363e5a3d0910e7d3207aafa1fc8590d9c Mon Sep 17 00:00:00 2001
From: dahall <dahall@byu.net>
Date: Thu, 17 Dec 2020 15:42:50 -0700
Subject: [PATCH] Added more detail to error msg in VanaraMarshalerAttribute

---
 Core/InteropServices/VanaraMarshaler.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Core/InteropServices/VanaraMarshaler.cs b/Core/InteropServices/VanaraMarshaler.cs
index 125f9a79..c0f047e4 100644
--- a/Core/InteropServices/VanaraMarshaler.cs
+++ b/Core/InteropServices/VanaraMarshaler.cs
@@ -106,7 +106,7 @@ namespace Vanara.InteropServices
 			if (marshalType is null)
 				throw new ArgumentNullException(nameof(marshalType));
 			if (!typeof(IVanaraMarshaler).IsAssignableFrom(marshalType))
-				throw new ArgumentException($"The supplied type must inherit from {nameof(IVanaraMarshaler)}.", nameof(marshalType));
+				throw new ArgumentException($"The supplied type ({marshalType?.FullName}) must inherit from {nameof(IVanaraMarshaler)}.", nameof(marshalType));
 			MarshalType = marshalType;
 			Cookie = cookie;
 		}