C# Definition:

/// <summary>
/// For use with ChildWindowFromPointEx
/// </summary>
[Flags]
public enum WindowFromPointFlags
{
    /// <summary>
    /// Does not skip any child windows
    /// </summary>
    CWP_ALL = 0x0000,
    /// <summary>
    /// Skips invisible child windows
    /// </summary>
    CWP_SKIPINVISIBLE = 0x0001,
    /// <summary>
    /// Skips disabled child windows
    /// </summary>
    CWP_SKIPDISABLED = 0x0002,
    /// <summary>
    /// Skips transparent child windows
    /// </summary>
    CWP_SKIPTRANSPARENT = 0x0004
}

VB Definition:

Enum ChildWindowFromPointFlags
   TODO
End Enum

Notes:

This isn't an official enum name, these values were put together from #Defines in the header file