From 360340c61d1038ccffc229e25c6a6449df092ea6 Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Wed, 15 Mar 2017 22:39:09 -0400
Subject: [PATCH] Fix linter issues

---
 osu.Game/Graphics/UserInterface/OsuTabControl.cs          | 7 +++++--
 osu.Game/Graphics/UserInterface/OsuTabDropDownHeader.cs   | 1 -
 osu.Game/Graphics/UserInterface/OsuTabDropDownMenu.cs     | 3 ++-
 osu.Game/Graphics/UserInterface/OsuTabDropDownMenuItem.cs | 2 +-
 4 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/osu.Game/Graphics/UserInterface/OsuTabControl.cs b/osu.Game/Graphics/UserInterface/OsuTabControl.cs
index d03fb474b8..5f467b48ca 100644
--- a/osu.Game/Graphics/UserInterface/OsuTabControl.cs
+++ b/osu.Game/Graphics/UserInterface/OsuTabControl.cs
@@ -2,6 +2,7 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
+using System.Linq;
 using OpenTK.Graphics;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics.UserInterface.Tab;
@@ -37,8 +38,10 @@ namespace osu.Game.Graphics.UserInterface
             set
             {
                 accentColour = value;
-                (DropDown as OsuTabDropDownMenu<T>).AccentColour = value;
-                foreach (OsuTabItem<T> item in TabContainer.Children)
+                var dropDown = DropDown as OsuTabDropDownMenu<T>;
+                if (dropDown != null)
+                    dropDown.AccentColour = value;
+                foreach (var item in TabContainer.Children.OfType<OsuTabItem<T>>())
                     item.AccentColour = value;
             }
         }
diff --git a/osu.Game/Graphics/UserInterface/OsuTabDropDownHeader.cs b/osu.Game/Graphics/UserInterface/OsuTabDropDownHeader.cs
index 5506365aef..2b4d68b4b4 100644
--- a/osu.Game/Graphics/UserInterface/OsuTabDropDownHeader.cs
+++ b/osu.Game/Graphics/UserInterface/OsuTabDropDownHeader.cs
@@ -4,7 +4,6 @@
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Primitives;
 using osu.Framework.Graphics.UserInterface.Tab;
-using osu.Game.Graphics;
 
 namespace osu.Game.Graphics.UserInterface
 {
diff --git a/osu.Game/Graphics/UserInterface/OsuTabDropDownMenu.cs b/osu.Game/Graphics/UserInterface/OsuTabDropDownMenu.cs
index 51e7009e45..f84ab25354 100644
--- a/osu.Game/Graphics/UserInterface/OsuTabDropDownMenu.cs
+++ b/osu.Game/Graphics/UserInterface/OsuTabDropDownMenu.cs
@@ -1,6 +1,7 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using System.Linq;
 using OpenTK;
 using OpenTK.Graphics;
 using osu.Framework.Allocation;
@@ -25,7 +26,7 @@ namespace osu.Game.Graphics.UserInterface
             {
                 accentColour = value;
                 Header.Colour = value;
-                foreach (OsuTabDropDownMenuItem<T> item in ItemList)
+                foreach (var item in ItemList.OfType<OsuTabDropDownMenuItem<T>>())
                     item.AccentColour = value;
             }
         }
diff --git a/osu.Game/Graphics/UserInterface/OsuTabDropDownMenuItem.cs b/osu.Game/Graphics/UserInterface/OsuTabDropDownMenuItem.cs
index 1df57e3ac6..86d451f7bb 100644
--- a/osu.Game/Graphics/UserInterface/OsuTabDropDownMenuItem.cs
+++ b/osu.Game/Graphics/UserInterface/OsuTabDropDownMenuItem.cs
@@ -31,7 +31,7 @@ namespace osu.Game.Graphics.UserInterface
         private Color4? accentColour;
         public Color4 AccentColour
         {
-            get { return accentColour.Value; }
+            get { return accentColour.GetValueOrDefault(); }
             set
             {
                 accentColour = value;