Updated versioning.

Author: tyranid

NtApiDotNet/AnnontationAttributes.cs

@@ -22,6 +22,7 @@ namespace NtApiDotNet
     /// </summary>
     public enum SupportedVersion
     {
+        Unknown,
         Windows7,
         Windows8,
         Windows81,
@@ -33,6 +34,11 @@ public enum SupportedVersion
         Windows10_RS4,
         Windows10_RS5,
         Windows10_19H1,
+        Windows10_19H2,
+        /// <summary>
+        /// This should always be at the end.
+        /// </summary>
+        Windows10_Latest,
     }
 #pragma warning restore 1591
 

NtApiDotNet/NtObjectUtils.cs

@@ -687,6 +687,65 @@ internal static bool IsWindows81OrLess
             }
         }
 
+        internal static SupportedVersion SupportedVersion
+        {
+            get
+            {
+                if (IsWindows7OrLess)
+                    return SupportedVersion.Windows7;
+                if (IsWindows8OrLess)
+                    return SupportedVersion.Windows8;
+                if (IsWindows81OrLess)
+                    return SupportedVersion.Windows81;
+                Version ver = Environment.OSVersion.Version;
+                if (ver.Major != 10)
+                {
+                    return SupportedVersion.Unknown;
+                }
+
+                if (ver.Build <= 10240)
+                {
+                    return SupportedVersion.Windows10;
+                }
+                else if (ver.Build <= 10586)
+                {
+                    return SupportedVersion.Windows10_TH2;
+                }
+                else if (ver.Build <= 14393)
+                {
+                    return SupportedVersion.Windows10_RS1;
+                }
+                else if (ver.Build <= 15063)
+                {
+                    return SupportedVersion.Windows10_RS2;
+                }
+                else if (ver.Build <= 16299)
+                {
+                    return SupportedVersion.Windows10_RS3;
+                }
+                else if (ver.Build <= 17134)
+                {
+                    return SupportedVersion.Windows10_RS4;
+                }
+                else if (ver.Build <= 17763)
+                {
+                    return SupportedVersion.Windows10_RS5;
+                }
+                else if (ver.Build <= 18362)
+                {
+                    return SupportedVersion.Windows10_19H1;
+                }
+                else if (ver.Build <= 18363)
+                {
+                    return SupportedVersion.Windows10_19H2;
+                }
+                else
+                {
+                    return SupportedVersion.Windows10_Latest;
+                }
+            }
+        }
+
         private static Lazy<string> _assembly_version = new Lazy<string>(() =>
         {
             Assembly asm = Assembly.GetCallingAssembly();