学步园

using System;<br /> using System.Collections.Generic;<br /> using System.ComponentModel;<br /> using System.Data;<br /> using System.Drawing;<br /> using System.Text;<br /> using System.Windows.Forms;</p> <p>namespace GetProgramFiles<br /> {<br /> public partial class Form1 : Form<br /> {<br /> public Form1()<br /> {<br /> InitializeComponent();<br /> }</p> <p> private void button1_Click(object sender, EventArgs e)<br /> {<br /> string ProgramFiles = System.Environment.GetEnvironmentVariable("ProgramFiles");<br /> MessageBox.Show("当前系统ProgramFiles的目录是"+ProgramFiles);<br /> }<br /> }<br /> }