Revert "tokjo"

This reverts commit 957206ef6a.

haromszogek/Derékszögű Háromszögek.cs

@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
 using System.Drawing;
-using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -20,22 +19,7 @@ namespace haromszogek
 
         private void button1_Click(object sender, EventArgs e)
         {
-            if (openFileDialog1.ShowDialog()==DialogResult.OK)
-            {
-                string[] sorok = File.ReadAllLines(openFileDialog1.FileName);
-                List<DHaromszog> derekszoguek = new List<DHaromszog>();
-                for (int i = 0; i < sorok.Length; i++)
-                {
-                    try
-                    {
-                        DHaromszog dh = new DHaromszog(sorok[i], i + 1);
-                    }
-                    catch (Exception hiba) 
-                    { 
-                        listBox1.Items.Add(hiba.Message);
-                    }
-                }
-            }
+            openFileDialog1.ShowDialog();
         }
 
         private void openFileDialog1_FileOk(object sender, CancelEventArgs e)