C# Definition:

enum PROPSPECKIND {
        /// <summary>
        /// Property is a string
        /// </summary>
        PRSPEC_LPWSTR = 0,
        /// <summary>
        /// Property is a property id
        /// </summary>
        PRSPEC_PROPID = 1
}

VB Definition:

'/// <summary>
  '/// Indicates whether the PROPSPEC propid or lpwstr member used.
  '/// </summary>
  Public Enum PROPSPECKIND
    '/// <summary>
    '/// Specifies that the the lpwstr member is used.
    '/// </summary>
    LPWSTR = 0
    '/// <summary>
    '/// Specifies that the propid member is used.
    '/// </summary>
    PROPID = 1
  End Enum

Notes:

None.