private void Bt_Logout_Click(object sender, EventArgs e)
{
this.Hide();
login_form fl = new login_form();
fl.Show();
}
private void Frame_FormClosing(object sender, FormClosingEventArgs e)
{
DialogResult dialog = MessageBox.Show("Do you want to save your file before closing the program?", "Exit", MessageBoxButtons.YesNoCancel);
if (dialog == DialogResult.Yes)
{
dataMng.Write2File();
}
if (dialog == DialogResult.Cancel)
{
e.Cancel = true;
return;
}
login_form log = new login_form();
log.Show();
}