Visual Basic > Windows and Controls

Delete certain Systemmenu-items

Delete certain Systemmenu-items

'delete maximize option for MDIForm
'put the next code on the MDIForm

Option Explicit

Private Declare Function GetSystemMenu Lib "user32" (ByVal hwnd as Long, ByVal bRevert as Long) as Long
Private Declare Function DeleteMenu Lib "user32" (ByVal hMenu as Long, ByVal nPosition as Long, ByVal wFlags as Long) as Long
Const MF_BYPOSITION = &H400&

Private sub MDIForm_Load()
    dim hSysMenu as Long
    dim lngResult as Long
    
    'delete maximize
    hSysMenu = GetSystemMenu(Me.hwnd, False)
    '0 = restore
    '1 = move
    '2 = size
    '3 = maximize
    '4 = minimize
    lngResult = DeleteMenu(hSysMenu, 4, MF_BYPOSITION)
    If lngResult = 0 Then MsgBox "error; cannot delete menu item!"
    
End Sub

Return