Ẩn Button Close của UserForm - VBA excel (New)

Thêm code để Ẩn Button Close của UserForm - VBA excelVới đoạn code dưới đây thì thêm trực tiếp vào userform mà không cần tạo thêm module. Code:

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Private Declare Function FindWindow Lib "user32" _
        Alias "FindWindowA" ( _
        ByVal lpClassName As String, _
        ByVal lpWindowName As String) As Long

Private Declare Function GetWindowLong Lib "user32" _
        Alias "GetWindowLongA" ( _
        ByVal hWnd As Long, _
        ByVal nIndex As Long) As Long

Private Declare Function SetWindowLong Lib "user32" _
        Alias "SetWindowLongA" ( _
        ByVal hWnd As Long, _
        ByVal nIndex As Long, _
        ByVal dwNewLong As Long) As Long

Const GWL_STYLE = -16
Const WS_SYSMENU = &H80000

Private Sub UserForm_Initialize()
   Dim hWnd As Long, lStyle As Long

   If Val(Application.Version) >= 9 Then
      hWnd = FindWindow("ThunderDFrame", Me.Caption)
   Else
      hWnd = FindWindow("ThunderXFrame", Me.Caption)
   End If

   lStyle = GetWindowLong(hWnd, GWL_STYLE)
   SetWindowLong hWnd, GWL_STYLE, (lStyle And Not WS_SYSMENU)
End Sub