C#

MyApp.exe file1.txt file2.txt file3.txt file4.txt

MyApp.exe file1.txt
MyApp.exe file2.txt
MyApp.exe file3.txt
MyApp.exe file4.txt

LinkedList<string> ll = new LinkedList<string>();
LinkedListNode<string> lln = new LinkedListNode<string>(Console.ReadLine());
            
ll.AddFirst(lln);
LinkedListNode<string> Prelln = null;

while (true)
{
    Prelln = lln; // Save the current Node,
    
    string input = Console.ReadLine();
    if (input == "End") // If user type "End", Done!
        break;

    lln = new LinkedListNode<string>(input); // Otherwise, Add a new Node
    ll.AddAfter(Prelln, lln); // Add new Node after previous saved Node
}

foreach (string i in ll)
         Console.WriteLine(i);

While (true) { Human.isLearnable = true; }

Graham_4 wrote:

AS I am getting some frustraiting results!

protected override void OnColumnAdded(DataGridViewColumnEventArgs e)
{
    //runs when a new column is added to the DGV
    e.Column.SortMode = DataGridViewColumnSortMode.Programmatic;
   <span style="color: Red; font-weight: bold;"> e.Column.HeaderText = "column " + e.Column.Index;</span>
    base.OnColumnAdded(e);
} //end OnColumnAdded