[Элементы GUI] Выделить результат жирным шрифтом

Func GetVRF($UserLogin, $login, $password)
    $oHTTP = ObjCreate("winhttp.winhttprequest.5.1")
    $oHTTP.Open("GET", "https://****.net/users/?search="&StringReplace($UserLogin,"@", "%40"), False)
    $oHTTP.SetRequestHeader("Authorization", "Basic "&_Base64Encode($login&":"&$password))
    $oHTTP.Send()
    $oReceived = $oHTTP.ResponseText
    $oStatusCode = $oHTTP.Status
    If $oStatusCode == 200 then
	$Vlan = StringRegExp($oReceived, "(Vlan.*?)<", 3)
        if (UBound($Vlan) == 0) Then Return "Unknown Vlan"
        Return $Vlan[0]
    Else
        Return "Unknown Error"&$oStatusCode
    EndIf
 EndFunc

$Vlan = StringRegExp($oReceived, "(Vlan.*?)<", 3)

$font = "Comic Sans MS"
    GUICtrlSetFont(-1, 9, 700, 0, $font)

_GUICtrlRichEdit_SetCharAttributes()

#include <GuiRichEdit.au3>
#include <WindowsConstants.au3>

$hGui = GUICreate("", 320, 350)
$hRichEdit = _GUICtrlRichEdit_Create($hGui, "Начало", 10, 10, 300, 220, BitOR($ES_MULTILINE, $WS_VSCROLL, $ES_AUTOVSCROLL))
GUISetState(@SW_SHOW)
MsgBox(0, "", "Добавляем текст")
_GUICtrlRichEdit_AppendText($hRichEdit, @CRLF & "Добавленный текст" & @CRLF)
MsgBox(0, "", "Добавляем атрибут жирности")
_GUICtrlRichEdit_SetCharAttributes($hRichEdit, "+bo")
MsgBox(0, "", "Добавляем текст")
_GUICtrlRichEdit_AppendText($hRichEdit, "Жирный текст" & @CRLF)
MsgBox(0, "", "Снимаем атрибут жирности")
_GUICtrlRichEdit_SetCharAttributes($hRichEdit, "-bo")
MsgBox(0, "", "Добавляем текст")
_GUICtrlRichEdit_AppendText($hRichEdit, "Обычный текст" & @CRLF)
MsgBox(0, "", "Завершение работы")
_GUICtrlRichEdit_Destroy($hRichEdit)