using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { uint[] hoge_old = new uint[10]; int[] hoge_new = new int[hoge_old.Length]; for (int i = 0; i < hoge_old.Length;i++ ) { hoge_new[i] = (int)hoge_old[i]; } } } }