常见的一些tips

1 Console.Write("{0:F2}", eigenMatrix[i][j]); //输出流的字符串格式化

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;


namespace ConsoleApplication10
{
  class Program
  {
    const int SWP_NOSIZE = 0x0001;


    [DllImport("kernel32.dll", ExactSpelling = true)]
    private static extern IntPtr GetConsoleWindow();

    private static IntPtr MyConsole = GetConsoleWindow();

    [DllImport("user32.dll", EntryPoint = "SetWindowPos")]
    public static extern IntPtr SetWindowPos(IntPtr hWnd, int hWndInsertAfter, int x, int Y, int cx, int cy, int wFlags);

    static void Main(string[] args)
    {
      int xpos = 300;
      int ypos = 300;
      SetWindowPos(MyConsole, 0, xpos, ypos, 0, 0, SWP_NOSIZE);
      Console.WriteLine("any text");
      Console.Read();
    }
  }
}