src/System.Private.CoreLib/shared/Interop/Windows/Kernel32/Interop.GetVersionExW.cs


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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using System.Runtime.InteropServices;

internal partial class Interop
{
    internal partial class Kernel32
    {
        [DllImport(Libraries.Kernel32, CharSet = CharSet.Unicode, SetLastError = true)]
        internal static extern bool GetVersionExW(ref OSVERSIONINFOEX osvi);

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
        internal unsafe struct OSVERSIONINFOEX
        {
            public int dwOSVersionInfoSize;
            public int dwMajorVersion;
            public int dwMinorVersion;
            public int dwBuildNumber;
            public int dwPlatformId;
            public fixed char szCSDVersion[128];
            public ushort wServicePackMajor;
            public ushort wServicePackMinor;
            public ushort wSuiteMask;
            public byte wProductType;
            public byte wReserved;
        }
    }
}