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    <p>.NET 4 offers a nice function called File.ReadLines(fileName)</p> <p>With this function, your above code can be modified as:</p> <pre><code>private void button1_Click(object sender, EventArgs e) { DialogResult result = this.openFileDialog1.ShowDialog(); if (result == DialogResult.OK) { string[] Nomarchivo = this.openFileDialog1.FileNames; string NomDirec = Path.GetDirectoryName(Nomarchivo[0]); for (int a = 0; a &lt;= Nomarchivo.Length - 1; a++) { //the name we are looking for. List&lt;string&gt; namesWeAreLookingFor = new List&lt;string&gt;(); string NomDirGral = Nomarchivo[a].Remove(Nomarchivo[a].Length - 7, 7); string NomGral = NomDirGral.Replace(NomDirec, " "); NomGral = NomGral.Remove(0, 2); foreach (string f in Directory.GetFiles(NomDirec, NomGral + "*")) this.listBox1.Items.Add(f); foreach (string h in Directory.GetFiles(NomDirec, "resume*")) { this.listBox1.Items.Add(h); var nameLines = File.ReadLines(NomDirec + @"\" + h); foreach (var item in nameLines) { //do whatever you need to get a name in this file here //... //Assuming there is one name per line, add the name to the list namesWeAreLookingFor.Add(item); } } foreach (string t in Directory.GetFiles(NomDirec, "ESSD1*")) { this.listBox1.Items.Add(t); //try to access the file so we can read line 6 using new .NET 4 method var lines = File.ReadLines(NomDirec + @"\" + t); //see if we even have 6 lines if (lines.Count() &lt; 6) continue; String line6 = lines.ElementAt(5); //loop through the names we pulled foreach (var item in namesWeAreLookingFor) { //see if line 6 containes that name. if (line6.Contains(item)) { //if it exists, then add it to the list and exit the loop. this.listBox1.Items.Add(t); break; } } } } string[] list1 = new string[listBox1.Items.Count]; for (int b = 0; b &lt;= listBox1.Items.Count - 1; b++) { list1[b] = listBox1.Items[b].ToString(); } string[] list2 = list1.Distinct().ToArray(); foreach (string g in list2) this.listBox2.Items.Add(g); Class1 arr1 = new Class1(); arr1.array(listBox2); } else { Close(); } </code></pre>
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    1. CO@Carl - I did understand that you want to pull the names to search from from the Resume files, right? (as indicated by your comment to Oded)
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    2. COHi saml, in the weekend I finally figured out how to recover the name from the ESSD file, I discovered that line 6 only contain one part of the name I had to compare, the other parts where in line 7 and 8, but only a concatenation of strings was needed to fix this, now I need to compare the new string of my full name to the full names that are shown in my resume files, and if it appear on the resume file then I can add it to my listbox, reading the code that you write I only have one question, what are you telling exactly in the File.Readlines(Nomarchivo+@"\"+h)??? ,
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    3. COI guess what I need to do is add the lines of my Resume file to a List, then compare my Full name string to this lines and if it match add the ESSD file to my listbox, what do you think? I really apreciate your help THANKS!
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