public static void AddElement(this Form form, string name, Control element, string initialValue = null, bool isValueRequired = false)
{
if (form == null) throw new ArgumentNullException("form");
if (name == null) throw new ArgumentNullException("name");
if (element == null) throw new ArgumentNullException("element");
if (form.Elements.Any(e => e.Name.Equals(name, StringComparison.OrdinalIgnoreCase)))
throw new InvalidOperationException("The form already contains an element '" + name + "'");
form.Elements.Add(new FormElement(name, element, isValueRequired));
form.Values.Add(name, initialValue);
}
public FormElement(string name, Control control, bool isValueRequired = false)
{
Name = name;
Control = control;
IsValueRequired = isValueRequired;
}