private void button_build_Click(object sender, EventArgs e)
{
pbs.ForEach(panel1.Controls.Remove);
pbs.Clear();
nfa = new NFA(textbox_RE.Text);
textbox_PostfixRE.Text = nfa.PostixRegularExpression;
textbox_InfixRE.Text = nfa.InfixRegularExpression;
nfa.build(textbox_graph);
is_builded = true;
createPictureBoxes(nfa.grid.Count);
drawLines();
button_save.Enabled = true;
button_check.Enabled = true;
}
public CheckForm(NFA nfa)
{
InitializeComponent();
this.nfa = nfa;
}