using System.Globalization;
public class Program {
public static void Main() {
var minhaCultura = new CultureInfo("pt-BR");
minhaCultura.DateTimeFormat.ShortDatePattern = "dd/MM/yyyy";
minhaCultura.DateTimeFormat.ShortTimePattern = "HH:mm";
minhaCultura.NumberFormat.NumberDecimalDigits = 2;
minhaCultura.NumberFormat.NumberGroupSeparator = "_";
minhaCultura.NumberFormat.NumberDecimalSeparator = ",";
System.Console.WriteLine(string.Format(minhaCultura, "{0:N}", 43239.11));
}
}
//https://pt.stackoverflow.com/q/44957/101
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