I need ans all parts with complete solutions

And I need Asap answer

Q1 Explain the following Code (10) A) Private void newButton_click(object sender, System.Event.args e) ((Button Sender) text = "ABC", } newButton_click += new EventHandler(newButton_click): B) OpenFileDialog dgBox = new OpenFileDialogo: dg Box.filter="Files : 1*.txt"; if (dgBox.ShowDialog() == DialogResult.OK) String str=dgBox.FileName; } C) double number; string value="1.2.3"; if (Double.TryParse(value, out number)) Console.WriteLine("{@}' --> {1}", value, number); Else Console.WriteLine("Unable to parse '{0}'.", value)