From 2fc34f963d2b01f1aa40cb39e25f8cb7ec7e1457 Mon Sep 17 00:00:00 2001
From: David Hall <dahall@byu.net>
Date: Wed, 23 Oct 2019 12:08:10 -0600
Subject: [PATCH] Fixed marshal parameter on ICondition::GetSubConditions

---
 PInvoke/SearchApi/StructuredQueryCondition.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PInvoke/SearchApi/StructuredQueryCondition.cs b/PInvoke/SearchApi/StructuredQueryCondition.cs
index 85eb439a..634bf1d0 100644
--- a/PInvoke/SearchApi/StructuredQueryCondition.cs
+++ b/PInvoke/SearchApi/StructuredQueryCondition.cs
@@ -359,7 +359,7 @@ namespace Vanara.PInvoke
 			/// </remarks>
 			// https://docs.microsoft.com/en-us/windows/desktop/api/structuredquerycondition/nf-structuredquerycondition-icondition-getsubconditions
 			// HRESULT GetSubConditions( REFIID riid, void **ppv );
-			[return: MarshalAs(UnmanagedType.IUnknown)]
+			[return: MarshalAs(UnmanagedType.IUnknown, IidParameterIndex = 0)]
 			object GetSubConditions(in Guid riid);
 
 			/// <summary>Retrieves the property name, operation, and value from a leaf search condition node.</summary>