WinGui: Handle Zero Pointer better in the NativeList. This can happen sometimes during previews.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6202 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 4 insertions, 2 deletions

diff --git a/win/CS/HandBrake.Interop/HandBrakeInterop/Helpers/NativeList.cs b/win/CS/HandBrake.Interop/HandBrakeInterop/Helpers/NativeList.cs
index c77c58cb9..d21f84ed4 100644
--- a/win/CS/HandBrake.Interop/HandBrakeInterop/Helpers/NativeList.cs
+++ b/win/CS/HandBrake.Interop/HandBrakeInterop/Helpers/NativeList.cs
@@ -11,6 +11,7 @@ namespace HandBrake.Interop.Helpers
 {

     using System;

     using System.Collections.Generic;

+    using System.Diagnostics;

     using System.Runtime.InteropServices;

 

     using HandBrake.Interop.HbLib;

@@ -45,8 +46,9 @@ namespace HandBrake.Interop.Helpers
 		public int Count

 		{

 			get

-			{

-				return HBFunctions.hb_list_count(this.Ptr);

+            {

+                Debug.WriteLine("Got a Zero Pointer in the NativeList");

+                return this.Ptr == IntPtr.Zero ? 0 : HBFunctions.hb_list_count(this.Ptr);

 			}

 		}