From 6c69c5dd534d9376f31cd608969d628450efa699 Mon Sep 17 00:00:00 2001
From: Oren Novotny <oren@novotny.org>
Date: Thu, 4 Apr 2019 12:43:12 -0400
Subject: [PATCH] Add support for detecting the Windows 10 May 2019 update

---
 OSVersionHelper/Windows10Release.cs     |  5 +++++
 OSVersionHelper/WindowsVersionHelper.cs | 11 ++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/OSVersionHelper/Windows10Release.cs b/OSVersionHelper/Windows10Release.cs
index 910295e..2a0b53f 100644
--- a/OSVersionHelper/Windows10Release.cs
+++ b/OSVersionHelper/Windows10Release.cs
@@ -47,5 +47,10 @@ public enum Windows10Release
         /// 10.0.17763.0 (Redstone 5)
         /// </summary>
         October2018 = 1809,
+
+        /// <summary>
+        /// 10.0.18362.0 (19H01)
+        /// </summary>
+        May2019 = 1903,
     }
 }
diff --git a/OSVersionHelper/WindowsVersionHelper.cs b/OSVersionHelper/WindowsVersionHelper.cs
index 79de24b..4c7ac91 100644
--- a/OSVersionHelper/WindowsVersionHelper.cs
+++ b/OSVersionHelper/WindowsVersionHelper.cs
@@ -24,7 +24,11 @@ static WindowsVersionHelper()
         {
             if (IsSince(WindowsVersions.Win10))
             {
-                if (IsApiContractPresent(7))
+                if (IsApiContractPresent(8))
+                {
+                    Windows10Release = Windows10Release.May2019;
+                }
+                else if (IsApiContractPresent(7))
                 {
                     Windows10Release = Windows10Release.October2018;
                 }
@@ -65,6 +69,11 @@ static WindowsVersionHelper()
 
         public static bool IsWindows10 { get; } = IsWindowsNt && IsSince(WindowsVersions.Win10);
 
+        /// <summary>
+        /// Gets a value indicating whether the current OS is Windows 10 May 2019 Update (19H01) or greater
+        /// </summary>
+        public static bool IsWindows10May2019OrGreater => IsWindows10 && Windows10Release >= Windows10Release.May2019;
+
         /// <summary>
         /// Gets a value indicating whether the current OS is Windows 10 October 2018 Update (Redstone 5) or greater
         /// </summary>