Как получить текст ошибки от внешней API-функци Err.LastDllError (12029)

Private Declare Function FormatMessage Lib "kernel32.dll" Alias "FormatMessageW" (ByVal dwFlags As Long, ByVal lpSource As Long, ByVal dwMessageId As Long, ByVal dwLanguageId As Long, ByVal lpBuffer As Long, ByVal nSize As Long, Arguments As Any) As Long
 
Public Function ErrMessageText(lCode As Long) As String
    Const FORMAT_MESSAGE_FROM_SYSTEM As Long = &H1000&
    Const FORMAT_MESSAGE_IGNORE_INSERTS As Long = &H200
    
    Dim sRtrnMsg   As String
    Dim lret        As Long
 
    sRtrnMsg = Space$(MAX_PATH)
    lret = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM Or FORMAT_MESSAGE_IGNORE_INSERTS, ByVal 0&, lCode, 0&, StrPtr(sRtrnMsg), MAX_PATH, 0&)
    If lret > 0 Then
        ErrMessageText = Left$(sRtrnMsg, lret)
        ErrMessageText = Replace$(ErrMessageText, vbCrLf, vbNullString)
    End If
End Function

Private Declare Function FormatMessage Lib "kernel32.dll" Alias "FormatMessageW" (ByVal dwFlags As Long, ByVal lpSource As Long, ByVal dwMessageId As Long, ByVal dwLanguageId As Long, ByVal lpBuffer As Long, ByVal nSize As Long, Arguments As Any) As Long
Private Declare Function GetModuleHandle Lib "kernel32.dll" Alias "GetModuleHandleW" (ByVal lpModuleName As Long) As Long
Private Declare Function LoadLibrary Lib "kernel32.dll" Alias "LoadLibraryW" (ByVal lpFileName As Long) As Long
 
Const MAX_PATH = 260&
 
Public Function ErrMessageText(lCode As Long) As String
    Const FORMAT_MESSAGE_FROM_SYSTEM As Long = &H1000&
    Const FORMAT_MESSAGE_IGNORE_INSERTS As Long = &H200
    Const FORMAT_MESSAGE_FROM_HMODULE As Long = &H800&
    
    Dim sRtrnMsg   As String
    Dim lret       As Long
    Dim hLib       As Long
    
    sRtrnMsg = Space$(MAX_PATH)
    hLib = GetModuleHandle(StrPtr("wininet.dll"))
    If hLib = 0 Then
        hLib = LoadLibrary(StrPtr("wininet.dll"))
    End If
    lret = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM Or FORMAT_MESSAGE_FROM_HMODULE Or FORMAT_MESSAGE_IGNORE_INSERTS, ByVal hLib, lCode, 0&, StrPtr(sRtrnMsg), MAX_PATH, 0&)
    If lret > 0 Then
        ErrMessageText = Left$(sRtrnMsg, lret)
        ErrMessageText = Replace$(ErrMessageText, vbCrLf, vbNullString)
    End If
End Function