private void button1_Click(object sender, EventArgs e)
{
if (!string.IsNullOrEmpty(this.tb_user.Text))
{
Game game = new Game();
game.answer = game.CreateNumbers();
List<int> userAnswer = game.ConvertStringToNumbers(this.tb_user.Text);
this.label_npc.Text = game.ConvertNumbersToString(game.answer);
game.GetResult(userAnswer);
this.label_ans.Text = game.show_ans;
}
else
{
MessageBox.Show("Please Enter Number first!");
this.tb_user.Focus();
}
}