using System.Drawing.Imaging;
namespace WinFormsApp1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
using (Image img = Image.FromFile("abc.bmp"))
{
img.Save("abc.jpg", ImageFormat.Jpeg);
}
}
}
}
/*
run:
*/