Save image from picture box to hard disk proplem

I using this code to show image in c# 2008

try
{
string[] fileNames = Directory.GetFiles("\\\\192.168.1.5\\Hani");
foreach (string file in fileNames)
{
if (file.Contains(textBox1.Text))
{
pictureBox1.Image =
Image.FromFile(Path.Combine("\\\\192.168.1.5\\Hani", textBox1.Text)+".JPG");
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString ());
}
it is success in display image but how to save picture in hard disk c drive or d or any location