Disable The Form’s X Button

Berikut Cara mudah membuat Tombol Close / Exit (“X”) dalam Form menjadi Disable

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Masukkan Source ke dalam Module
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Public Const SC_CLOSE = &HF060
Public Const MF_BYCOMMAND = &H0
Public Declare Function GetSystemMenu Lib “user32” _
(ByVal hwnd As Long, ByVal bRevert As Long) As Long
Public Declare Function DeleteMenu Lib “user32” _
(ByVal hMenu As Long, ByVal nPosition As Long, ByVal wFlags As Long) As Long
Declare Function DrawMenuBar Lib “user32” (ByVal hwnd As Long) As Long

Public Sub DisableXbutton(ByVal frmHwnd As Long)
Dim hMenu As Long
hMenu = GetSystemMenu(frmHwnd, 0&)
If hMenu Then
Call DeleteMenu(hMenu, SC_CLOSE, MF_BYCOMMAND)
DrawMenuBar (frmHwnd)
End If
End Sub


Private Sub Form_Load()
DisableXbutton (Me.hwnd)
End Sub


Semoga bermanfaat, dan silahkan dikembangkan lagi sendiri.. 🙂