C# Definition:

    /// <summary>
    /// Enumeration containing the type device the raw input is coming from.
    /// </summary>
    public enum RawInputType
    {
        /// <summary>
        /// Mouse input.
        /// </summary>
        Mouse = 0,

        /// <summary>
        /// Keyboard input.
        /// </summary>
        Keyboard = 1,

        /// <summary>
        ///  Human interface device input.
        /// </summary>
        HID = 2,

        /// <summary>
        /// Another device that is not the keyboard or the mouse.
        /// </summary>
        Other = 3
    }

VB Definition:

    ''' <summary>
    ''' Enumeration containing the type device the raw input is coming from.
    ''' </summary>
    Public Enum RawInputType
        ''' <summary>
        ''' Mouse input.
        ''' </summary>
        Mouse = 0

        ''' <summary>
        ''' Keyboard input.
        ''' </summary>
        Keyboard = 1

        ''' <summary>
        ''' Human interface device input.
        ''' </summary>
        HID = 2

        ''' <summary>
        ''' Another device that is not the keyboard or the mouse.
        ''' </summary>
        Other = 3
    End Enum

Notes:

None.