private void btn__atras_Click(object sender, EventArgs e)
{
form_bienvenida bienvenida = new form_bienvenida();
bienvenida.Show();
this.Close();
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
form_bienvenida main = new form_bienvenida();
main.FormClosed += MainForm_Closed;
main.Show();
Application.Run();
}
