Interop.cs

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using System;
using System.Runtime.InteropServices;
 
internal static class Interop
{
    internal static class Version
    {
        internal struct VS_FIXEDFILEINFO
        {
            internal uint dwSignature;
 
            internal uint dwStrucVersion;
 
            internal uint dwFileVersionMS;
 
            internal uint dwFileVersionLS;
 
            internal uint dwProductVersionMS;
 
            internal uint dwProductVersionLS;
 
            internal uint dwFileFlagsMask;
 
            internal uint dwFileFlags;
 
            internal uint dwFileOS;
 
            internal uint dwFileType;
 
            internal uint dwFileSubtype;
 
            internal uint dwFileDateMS;
 
            internal uint dwFileDateLS;
        }
 
        [DllImport("version.dll", CharSet = CharSet.Unicode, EntryPoint = "GetFileVersionInfoExW")]
        internal static extern bool GetFileVersionInfoEx(uint dwFlags, string lpwstrFilename, uint dwHandle, uint dwLen, IntPtr lpData);
 
        [DllImport("version.dll", CharSet = CharSet.Unicode, EntryPoint = "GetFileVersionInfoSizeExW")]
        internal static extern uint GetFileVersionInfoSizeEx(uint dwFlags, string lpwstrFilename, out uint lpdwHandle);
 
        [DllImport("version.dll", CharSet = CharSet.Unicode, EntryPoint = "VerQueryValueW")]
        internal static extern bool VerQueryValue(IntPtr pBlock, string lpSubBlock, out IntPtr lplpBuffer, out uint puLen);
    }
 
    internal static class Kernel32
    {
        [DllImport("kernel32.dll", CharSet = CharSet.Unicode, EntryPoint = "VerLanguageNameW")]
        internal unsafe static extern int VerLanguageName(uint wLang, char* szLang, uint cchLang);
    }
}