private void button1_Click(object sender, EventArgs e)
{
 
Process p = new Process();
String pp = "";
 
if (this.radioButton1.Checked) 
{ pp = "Polinom_3.0_3ver.exe"; }
if (this.radioButton2.Checked) 
{ pp = "Polinom_DifWeights_3.0_3ver.exe"; }
if (this.radioButton3.Checked) 
{ pp = "PolinomDiametr2.0.exe"; }
if (this.radioButton4.Checked) 
{ pp = "PolinomDiametr_2.0_DifWeights.exe"; }
 
 
String fp = Environment.CurrentDirectory;
 
p.StartInfo.FileName = fp+"\\"+pp;
p.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
 
p.Start(); 
 
//----------------------------------------------------
 
String inf = this.textBox1.Text; 
 
 
inf = Environment.CurrentDirectory + "\\data.txt";
StreamReader re = File.OpenText(inf);
String input = null;
 
listBox1.BeginUpdate();
listBox1.Items.Clear(); 
while ((input = re.ReadLine()) != null)
{
listBox1.Items.Add(input);  
}
listBox1.EndUpdate();
}