From 46a4ca6b145bba0c6d72d879138b176ebf6df2b3 Mon Sep 17 00:00:00 2001
From: morkt <muvluv.ru@gmail.com>
Date: Fri, 22 Aug 2014 10:14:40 +0400
Subject: [PATCH] (CreateArchiveDialog): archive extension could be null.

---
 CreateArchive.xaml.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CreateArchive.xaml.cs b/CreateArchive.xaml.cs
index 675b2d38..2f1eca6f 100644
--- a/CreateArchive.xaml.cs
+++ b/CreateArchive.xaml.cs
@@ -47,7 +47,7 @@ namespace GARbro.GUI
             {
                 var format = this.ArchiveFormat.SelectedItem as ArchiveFormat;
                 if (null != format)
-                    initial_name = Path.ChangeExtension (initial_name, format.Extensions.First());
+                    initial_name = Path.ChangeExtension (initial_name, format.Extensions.FirstOrDefault());
             }
             ArchiveName.Text = initial_name;
         }
@@ -136,7 +136,7 @@ namespace GARbro.GUI
             {
                 widget = format.GetCreationWidget();
                 if (!string.IsNullOrEmpty (ArchiveName.Text))
-                    ArchiveName.Text = Path.ChangeExtension (ArchiveName.Text, format.Extensions.First());
+                    ArchiveName.Text = Path.ChangeExtension (ArchiveName.Text, format.Extensions.FirstOrDefault());
             }
             OptionsWidget.Content = widget;
             OptionsWidget.Visibility = null != widget ? Visibility.Visible : Visibility.Hidden;