using System;
namespace WinFormsApp1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
if (File.Exists(@"D:\data.txt"))
{
File.Delete(@"D:\data.txt");
}
}
}
}
/*
* run:
*
*
*/