/// <summary>
/// Enumerates the child windows of a parent and returns a list of pointers. If a filter
/// delegate is specified this is used to determine whether the windows are included in
/// the resultant list.
/// </summary>
/// <returns>A filtered list of child windows.</returns>
public List <IntPtr> Enumerate()
{
winEnumList = new List <IntPtr>();
Native.EnumWindows(OnWindowEnum, IntPtr.Zero);
return(winEnumList);
}