protected override void OnFormClosing(FormClosingEventArgs e)
        {
            base.OnFormClosing(e);
            Application.Idle -= new EventHandler(runningFrame);
            if (e.CloseReason == CloseReason.WindowsShutDown)
            {
                return;
            }

            _formMD.Show();
        }
 private void button6_Click(object sender, EventArgs e)
 {
     if (mydb.IsServerConnected())
     {
         Application.Idle -= ProcessFrame;
         Application.Idle -= runningFrame;
         ReleaseData();
         FormManageData frmManData = new FormManageData(this, eigenRecog);
         frmManData.Show();
         //button1.Enabled = true;
         this.Hide();
     }
     else
     {
         MessageBox.Show("Database not connect.");
     }
 }
 private void button6_Click(object sender, EventArgs e)
 {
     if (mydb.IsServerConnected())
     {
         Application.Idle -= ProcessFrame;
         Application.Idle -= runningFrame;
         ReleaseData();
         FormManageData frmManData = new FormManageData(this,eigenRecog);
         frmManData.Show();
         //button1.Enabled = true;
         this.Hide();
     }
     else
     {
         MessageBox.Show("Database not connect.");
     }
 }