XUnity.AutoTranslator/src/XUnity.AutoTranslator.Plugin.Core/Debugging/DebugConsole.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;

namespace XUnity.AutoTranslator.Plugin.Core.Debugging
{
   public static class DebugConsole
   {
      private static IntPtr _consoleOut;

      public static void Enable()
      {
         var oldConsoleOut = Kernel32.GetStdHandle( -11 );
         if( !Kernel32.AllocConsole() ) return;

         _consoleOut = Kernel32.CreateFile( "CONOUT$", 0x40000000, 2, IntPtr.Zero, 3, 0, IntPtr.Zero );
         if( !Kernel32.SetStdHandle( -11, _consoleOut ) ) return;

         Stream stream = Console.OpenStandardOutput();
         StreamWriter writer = new StreamWriter( stream, Encoding.Default );
         writer.AutoFlush = true;

         Console.SetOut( writer );
         Console.SetError( writer );
      }
   }
}