using System;
using System.Text;
using System.Reflection;
class MainClass
{
public static void Main ()
{
Type type = typeof(StringBuilder);
Type[] argTypes = new Type[] { typeof(System.String), typeof(System.Int32) };
ConstructorInfo cInfo = type.GetConstructor(argTypes);
object[] argVals = new object[] { "Some string", 30 };
// Create the object and cast it to StringBuilder.
StringBuilder sb = (StringBuilder)cInfo.Invoke(argVals);
Console.WriteLine(sb);
}
}