/// <summary>
/// if you choose the type of currency again
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void back(object sender, EventArgs e)
{
Form form = new Preload();
form.Show();
this.Dispose();
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Form form = new Preload();
form.Show();
Application.Run();
}