From a8e15280e124fcf9948c9fa434b7678863f7b42b Mon Sep 17 00:00:00 2001
From: David Hall <dahall@byu.net>
Date: Wed, 23 Oct 2019 12:20:52 -0600
Subject: [PATCH] Added workaround for missing function in .NET Std 2.0

---
 Core/InteropServices/SafeIDispatch.cs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Core/InteropServices/SafeIDispatch.cs b/Core/InteropServices/SafeIDispatch.cs
index 9c288cd9..b1c8196f 100644
--- a/Core/InteropServices/SafeIDispatch.cs
+++ b/Core/InteropServices/SafeIDispatch.cs
@@ -45,7 +45,11 @@ namespace Vanara.InteropServices
 			var result = IntPtr.Zero;
 			try
 			{
+#if NETSTANDARD2_0
+				result = Marshal.GetComInterfaceForObject(target, typeof(IDispatch));
+#else
 				result = Marshal.GetIDispatchForObject(target);
+#endif
 			}
 			finally
 			{
@@ -55,5 +59,10 @@ namespace Vanara.InteropServices
 			}
 			return result;
 		}
+
+#if NETSTANDARD2_0
+		[ComImport, Guid("00020400-0000-0000-C000-000000000046"), InterfaceType(ComInterfaceType.InterfaceIsIDispatch)]
+		private interface IDispatch { }
+#endif
 	}
 }
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