private void frmMain_FormClosed(object sender, FormClosedEventArgs e)
{
frmMain frml = new frmMain();
frml.Close();
this.Hide();
frmLogin frm = new frmLogin();
frm.Closed += (sender1, args) => this.Close();
frm.Show();
}
private void logoutToolStripMenuItem_Click(object sender, EventArgs e)
{
frmMain frml = new frmMain();
frml.Close();
this.Hide();
frmLogin frm = new frmLogin();
frm.Closed += (sender1, args) => this.Close();
frm.Show();
}