private void GoToLogin_Click(object sender, MouseEventArgs e)
{
User_Login Form = new User_Login();
Form.Tag = this;
Form.Show(this);
Hide();
}
private void Logout_Click(object sender, EventArgs e)
{
Account.AccountId = -1;
Account.AccountType = -1;
User_Login user = new User_Login();
user.Tag = this;
user.Show(this);
Hide();
}