From 6380e5d7ea7cce0934b394c0de02813a9ceff763 Mon Sep 17 00:00:00 2001
From: Dimitar Dobrev <dpldobrev@yahoo.com>
Date: Mon, 12 Oct 2015 15:01:21 +0300
Subject: [PATCH] Called Marshal.FreeHGlobal only if the instance was created
 by Marshal.AllocHGlobal.

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>
---
 src/Generator/Generators/CSharp/CSharpTextTemplate.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Generator/Generators/CSharp/CSharpTextTemplate.cs b/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
index e61ab045..6c48b367 100644
--- a/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
+++ b/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
@@ -1867,7 +1867,8 @@ namespace CppSharp.Generators.CSharp
                 }
             }
 
-            WriteLine("Marshal.FreeHGlobal({0});", Helpers.InstanceIdentifier);
+            WriteLine("if ({0})", Helpers.OwnsNativeInstanceIdentifier);
+            WriteLineIndent("Marshal.FreeHGlobal({0});", Helpers.InstanceIdentifier);
 
             WriteCloseBraceIndent();
             PopBlock(NewLineKind.BeforeNextBlock);