From c3f7b8e32b4e0d687a601829f39416407c341212 Mon Sep 17 00:00:00 2001
From: Stephan Sundermann <stephansundermann@gmail.com>
Date: Mon, 12 Aug 2013 10:50:13 +0200
Subject: [PATCH] generator: fixed optional array parameters

---
 generator/Signature.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/generator/Signature.cs b/generator/Signature.cs
index 9f64ae3b8..3b14127d3 100644
--- a/generator/Signature.cs
+++ b/generator/Signature.cs
@@ -149,7 +149,9 @@ namespace GtkSharp.Generation {
 
 				result [i] = p.PassAs != "" ? p.PassAs + " " : "";
 				if (p.IsOptional && p.PassAs == String.Empty) {
-					if (p.Generatable is StructGen || p.Generatable is BoxedGen)
+					if (p.IsArray)
+						result [i++] += "null";
+					else if (p.Generatable is StructGen || p.Generatable is BoxedGen)
 						result [i++] += p.CSType + ".Zero";
 					else if (p.CSType == "System.IntPtr")
 						result [i++] += "System.IntPtr.Zero";