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      Private Const LOCALE_SSHORTDATE = &H1F
      Private Const WM_SETTINGCHANGE = &H1A
      Private Const HWND_BROADCAST = &HFFFF&
#If VBA7 Then
      Private Declare PtrSafe Function SetLocaleInfo Lib "kernel32" Alias "SetLocaleInfoA" (ByVal Locale As Long, ByVal LCType As Long, ByVal lpLCData As String) As Boolean
      Private Declare PtrSafe Function PostMessage Lib "user32" Alias "PostMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
      Private Declare PtrSafe Function GetSystemDefaultLCID Lib "kernel32" () As Long
#Else
      Private Declare Function SetLocaleInfo Lib "kernel32" Alias "SetLocaleInfoA" (ByVal Locale As Long, ByVal LCType As Long, ByVal lpLCData As String) As Boolean
      Private Declare Function PostMessage Lib "user32" Alias "PostMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
      Private Declare Function GetSystemDefaultLCID Lib "kernel32" () As Long
#End If      
Function setdate() 'ใช้เปลี่ยนรูปแบบวันที่
    Dim dwLCID As Long
            dwLCID = GetSystemDefaultLCID()            
        If SetLocaleInfo(dwLCID, LOCALE_SSHORTDATE, "dd/MM/yyyy") = False Then
            MsgBox "รูปแบบวันที่ไม่ใช่ dd/MM/yyyy", vbCritical, "Error"
        End If
            PostMessage HWND_BROADCAST, WM_SETTINGCHANGE, 0, 0
End Function
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