Disabled Maximize Windows MDIForm VB6

Berikut ini adalah cara men-disabled tombol maximize di MDIForm di visual basic 6, untuk mempraktekannya siapkan :

1. Buat 1 Project baru dengan 1 MDIForm.
2. Copy-kan coding berikut ke dalam editor MDIForm yang bertalian.

          Option Explicit

          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

          Private Const GWL_STYLE = (-16)
          Private Const WS_MINIMIZEBOX = &H20000
          Private Const WS_MAXIMIZEBOX = &H10000


          Public Sub NoMaxBox(f As MDIForm)
            Dim l As Long
            l = GetWindowLong(f.hWnd, GWL_STYLE)

            l = l And Not (WS_MAXIMIZEBOX)
            l = SetWindowLong(f.hWnd, GWL_STYLE, l)
          End Sub

          Public Sub NoMinBox(f As MDIForm)

            Dim l As Long
            l = GetWindowLong(f.hWnd, GWL_STYLE)
            l = l And Not (WS_MINIMIZEBOX)
            l = SetWindowLong(f.hWnd, GWL_STYLE, l)

          End Sub

          Private Sub MDIForm_Load()
            NoMaxBox Me

            'NoMinBox Me
          End Sub

          Private Sub MDIForm_Resize()
            'Ganti 4800 di bawah dgn lebar form yg fix Anda tentukan

            'Ganti 3600 di bawah dgn tinggi form yg fix Anda tentukan
            If Me.Width <> 4800 Then Me.Width = 4800
            If Me.Height <> 3600 Then Me.Height = 3600
          End Sub

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