private void swapLoginFormToAccountBoardForm(Form formAccountBoard)
{
this.Hide();
formAccountBoard.ShowDialog();
this.Show();
FacebookServiceSession.Logout();
}
private void buttonLogin_Click(object sender, EventArgs e)
{
if (FacebookServiceSession.TryToLogIn())
{
Form formFacebookAccountBoard = new FormFacebookAccountBoard();
swapLoginFormToAccountBoardForm(formFacebookAccountBoard);
}
}