Mine

public class Rec
{
   private string info;
   private Control ctrl;
   
   public Rec(string infoParam, Control senderCtrl)
   {
       info = infoParam;
       ctrl = senderCtrl;
   }
}

public class Form1 : System.Windows.Forms.Form
{
   private ArrayList myList;

   public Form1
   {
      ...
      myList = new ArrayList();
   }

   private void NameTextBox_Click(object sender, System.EventArgs e)
   {
      Rec recObj = new Rec(NameTextBox.Text, NameTextBox);  
      myList.Add(recObj);
   }
}