melanchall

var midiFile = MidiFile.Read("FileWithLyrics.mid");
var tempoMap = midiFile.GetTempoMap();
var lyricsWithTimestamps = midiFile
    .GetTimedEvents()
    .Where(e => e.Event.EventType == MidiEventType.Lyric)
    .Select(e => new
    {
        Text = ((LyricEvent)e.Event).Text,
        TotalSecondsFromStart = e.TimeAs<MetricTimeSpan>(tempoMap).TotalSeconds
    })

melanchall

namespace DualLibClassLibrary
{
    public static class Class
    {
        public static int Bar()
        {
            return ApiProvider.Api.Method() * 1000;
        }
    }
}

melanchall

using System;

namespace DualLibClassLibrary
{
    internal static class ApiProvider
    {
        private static readonly bool Is64Bit = IntPtr.Size == 8;
        private static Api _api;

        public static Api Api

melanchall

using System.Runtime.InteropServices;

namespace DualLibClassLibrary
{
    internal sealed class Api64 : Api
    {
        [DllImport("test64")]
        public static extern int Foo();

        public override int Method()

melanchall

using System.Runtime.InteropServices;

namespace DualLibClassLibrary
{
    internal sealed class Api32 : Api
    {
        [DllImport("test32")]
        public static extern int Foo();

        public override int Method()

melanchall

namespace DualLibClassLibrary
{
    internal abstract class Api
    {
        public abstract int Method();
    }
}

melanchall

Write-Host "Downloading winlibs..."
Invoke-WebRequest -Uri "https://github.com/brechtsanders/winlibs_mingw/releases/download/11.1.0-12.0.0-9.0.0-r1/winlibs-i686-posix-dwarf-gcc-11.1.0-mingw-w64-9.0.0-r1.zip" -OutFile "winlibs.zip"
Write-Host "Downloaded."

Write-Host "Extracting winlibs..."
Expand-Archive -LiteralPath 'winlibs.zip' -DestinationPath "winlibs"
Write-Host "Extracted."

Write-Host "Building DLL..."
$gccPath = Get-ChildItem -Path "winlibs" -File -Filter "i686-w64-mingw32-gcc.exe" -Recurse

melanchall

C:/ProgramData/Chocolatey/lib/mingw/tools/install/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/ProgramData/Chocolatey/lib/mingw/tools/install/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib\libuser32.a when searching for -luser32

...

C:/ProgramData/Chocolatey/lib/mingw/tools/install/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/libmsvcrt.a when searching for -lmsvcrt C:/ProgramData/Chocolatey/lib/mingw/tools/install/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lmsvcrt collect2.exe: error: ld returned 1 exit status

melanchall

<ItemGroup>
  <None Include="test.dll">
    <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    <PackagePath>build\</PackagePath>
    <Pack>true</Pack>
  </None>
  <None Include="test.dylib">
    <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    <PackagePath>build\</PackagePath>
    <Pack>true</Pack>

melanchall

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <ItemGroup>
    <None Include="$(MSBuildThisFileDirectory)test.dll">
      <Link>test.dll</Link>
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </None>
    <None Include="$(MSBuildThisFileDirectory)test.dylib">
      <Link>test.dylib</Link>
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>