// loading form and start
 public FormLoad()
 {
     InitializeComponent();
     //Region = System.Drawing.Region.FromHrgn(CreateRound(0, 0, Width, Height, 25, 25));
     timer_Load.Start();
     ProgressBarload.Value = 0;
     ProgressBarload.PerformStep();
 }
 // loadtick event
 private void timer_Load_Tick(object sender, EventArgs e)
 {
     ProgressBarload.Value += 5;
     ProgressBarload.Text   = ProgressBarload.Value.ToString() + "%";
     if (ProgressBarload.Value == 100)
     {
         timer_Load.Enabled = false;
         timer_Load.Stop();
         ProgressBarload.Increment(1);
         FormLogin login = new FormLogin();
         login.Show();
         this.Hide();
     }
 }