ryujinx/Ryujinx/Ui/Helper/ConsoleHelper.cs

using Ryujinx.Common.Logging;
using System;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;

namespace Ryujinx.Ui.Helper
{
    public static class ConsoleHelper
    {
        public static bool SetConsoleWindowStateSupported => OperatingSystem.IsWindows();

        public static void SetConsoleWindowState(bool show)
        {
            if (OperatingSystem.IsWindows())
            {
                SetConsoleWindowStateWindows(show);
            }
            else if (show == false)
            {
                Logger.Warning?.Print(LogClass.Application, "OS doesn't support hiding console window");
            }
        }

        [SupportedOSPlatform("windows")]
        private static void SetConsoleWindowStateWindows(bool show)
        {
            const int SW_HIDE = 0;
            const int SW_SHOW = 5;

            IntPtr hWnd = GetConsoleWindow();

            if (hWnd == IntPtr.Zero)
            {
                Logger.Warning?.Print(LogClass.Application, "Attempted to show/hide console window but console window does not exist");
                return;
            }

            ShowWindow(hWnd, show ? SW_SHOW : SW_HIDE);
        }

        [SupportedOSPlatform("windows")]
        [DllImport("kernel32")]
        static extern IntPtr GetConsoleWindow();

        [SupportedOSPlatform("windows")]
        [DllImport("user32")]
        static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
    }
}