From 292a472e00abe6906a494811d0bb6aa40deb6773 Mon Sep 17 00:00:00 2001
From: Gloweye <jaccovandorp@gmail.com>
Date: Mon, 6 Feb 2017 11:58:41 +0100
Subject: Fix for retrieving list of interfaces.

Sending in None as reference explicitly tells the DLL we're only interested in the number of interfaces available. I was having crashes with this request otherwise.

Note: I tested and verified this with Vimba 2.0. Perhaps the issue doesn't arise with older versions, but the documentation seems to indicate that this is the intended method all along.
---
 pymba/vimba.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pymba/vimba.py b/pymba/vimba.py
index 1096917..2f78ea5 100644
--- a/pymba/vimba.py
+++ b/pymba/vimba.py
@@ -68,7 +68,7 @@ class Vimba(object):
 
             # call once just to get the number of interfaces
             # Vimba DLL will return an error code
-            errorCode = VimbaDLL.interfacesList(byref(dummyInterfaceInfo),
+            errorCode = VimbaDLL.interfacesList(None,
                                                 0,
                                                 byref(numFound),
                                                 sizeof(dummyInterfaceInfo))
-- 
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