Advanced Code

List Box:
=> fastColoredTextBox1.Text = File.ReadAllText($"./Scripts/{listBox1.SelectedItem}");

Refresh Code :

listBox1.Items.Clear();//Clear Items in the LuaScriptList
            Functions.PopulateListBox(listBox1, "./Scripts", "*.txt");
            Functions.PopulateListBox(listBox1, "./Scripts", "*.lua");


Code to put into Functions :

public static void PopulateListBox(ListBox lsb, string Folder, string FileType)
        {
            DirectoryInfo dinfo = new DirectoryInfo(Folder);
            FileInfo[] Files = dinfo.GetFiles(FileType);
            foreach (FileInfo file in Files)
            {
                lsb.Items.Add(file.Name);
            }
        }


Execute Button :

  if (NamedPipes.NamedPipeExist(NamedPipes.luapipename))
            {
                NamedPipes.LuaPipe(fastColoredTextBox1.Text);
            }
            else
            {
                MessageBox.Show("Please Attach First", "Fatal Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return;
            }