Set CultureInfo for the entire application

CultureInfo_Setters.cs

using System.Threading;

namespace System.Globalization
{
    public static class CultureInfo_Setters
    {
        public static void SetForApplication(this CultureInfo @this)
        {
            @this.SetForCurrentThread();
            @this.SetForThreadPoolThreads();
        }
        
        public static void SetForCurrentThread(this CultureInfo @this)
        {
            Thread.CurrentThread.CurrentCulture = @this;
            Thread.CurrentThread.CurrentUICulture = @this;
        }
        
        public static void SetForThreadPoolThreads(this CultureInfo @this)
        {
            CultureInfo.DefaultThreadCurrentCulture = @this;
            CultureInfo.DefaultThreadCurrentUICulture = @this;
        }
    }
}