.NET_CSC_calc

视频演示

c:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe demon.cs

using System;
namespace HelloWorld
{
    class Program
    {
        static void Main(string[] args)
        {
         System.Diagnostics.Process.Start("calc.exe");  
        }
    }
}

https://docs.microsoft.com/zh-cn/dotnet/csharp/language-reference/compiler-options/command-line-building-with-csc-exe