C# Definition:

public enum tagREADYSTATE
{
    READYSTATE_UNINITIALIZED = 0,
    READYSTATE_LOADING = 1,
    READYSTATE_LOADED = 2,
    READYSTATE_INTERACTIVE = 3,
    READYSTATE_COMPLETE = 4
}

VB Definition:

Public Enum tagREADYSTATE
    ' Fields
    READYSTATE_COMPLETE = 4
    READYSTATE_INTERACTIVE = 3
    READYSTATE_LOADED = 2
    READYSTATE_LOADING = 1
    READYSTATE_UNINITIALIZED = 0
End Enum

Notes:

None.