From fec8b00d8e849268e0f940df26694a3d697183c7 Mon Sep 17 00:00:00 2001
From: triton <ripzonetriton@gmail.com>
Date: Mon, 14 Apr 2014 03:12:58 +0100
Subject: [PATCH] Added marshaling of function types to C# backend.

---
 src/Generator/Generators/CSharp/CSharpMarshal.cs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/Generator/Generators/CSharp/CSharpMarshal.cs b/src/Generator/Generators/CSharp/CSharpMarshal.cs
index f7b37e3d..4ff5b0e2 100644
--- a/src/Generator/Generators/CSharp/CSharpMarshal.cs
+++ b/src/Generator/Generators/CSharp/CSharpMarshal.cs
@@ -231,6 +231,18 @@ namespace CppSharp.Generators.CSharp
             return decl.Type.Visit(this);
         }
 
+        public override bool VisitFunctionType(FunctionType function, TypeQualifiers quals)
+        {
+            var ptrName = Generator.GeneratedIdentifier("ptr") + Context.ParameterIndex;
+
+            Context.SupportBefore.WriteLine("var {0} = {1};", ptrName,
+                Context.ReturnVarName);
+
+            Context.Return.Write("({1})Marshal.GetDelegateForFunctionPointer({0}, typeof({1}))",
+                ptrName, function.ToString());
+            return true;
+        }
+
         public override bool VisitClassDecl(Class @class)
         {
             var ctx = Context as CSharpMarshalContext;