Private Declare Function GetActiveWindow Lib "user32" () As Long
Private Declare Function MessageBoxW Lib "user32" (ByVal hwnd As Long, ByVal lpText As String, ByVal lpCaption As String, ByVal wType As Long) As Long
Function MsgBoxUni(ByVal PromptUni As Variant, Optional ByVal Buttons As VbMsgBoxStyle = vbOKOnly, Optional ByVal TitleUni As Variant = vbNullString) As VbMsgBoxResult
'Function MsgBoxUni(ByVal PromptUni As Variant, Optional ByVal Buttons As VbMsgBoxStyle = vbOKOnly, Optional ByVal TitleUni As Variant, Optional HelpFile, Optional Context) As VbMsgBoxResult
'BStrMsg,BStrTitle : La chuoi Unicode
Dim BStrMsg, BStrTitle
'Hàm StrConv Chuyen chuoi ve ma Unicode
BStrMsg = StrConv(PromptUni, vbUnicode)
BStrTitle = StrConv(TitleUni, vbUnicode)
MsgBoxUni = MessageBoxW(GetActiveWindow, BStrMsg, BStrTitle, Buttons)
End Function