namespace WinFormsApp1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
string dir = @"D:\Test";
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
}
}
}
/*
* run:
*
*
*
*/