Clicking and Disabling Menus

How do i click a menu in another application using API, and how do i disable a sub menu like:

File-
--Open
--Save


how would i go about disabling the open menu? Thanks

you will have to send the WM_COMMAND message. don't have the exact code now, have seen it on the forum, but search is disabled :(

To disable menuitems

Code:

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Private Const MIIM_SUBMENU = &H4
Private Const MIIM_STATE = &H1
Private Const MFS_GRAYED = &H1
Private Const MFS_ENABLED = &H0


Private Type MENUITEMINFO
  cbSize As Long
  fMask As Long
  fType As Long
  fState As Long
  wID As Long
  hSubMenu As Long
  hbmpChecked As Long
  hbmpUnchecked As Long
  dwItemData As Long
  dwTypeData As String
  cch As Long
End Type
Private Declare Function GetMenu Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Function GetMenuItemInfo Lib "user32" Alias "GetMenuItemInfoA" (ByVal hMenu As Long, ByVal un As Long, ByVal b As Boolean, lpmii As MENUITEMINFO) As Long
Private Declare Function SetMenuItemInfo Lib "user32" Alias "SetMenuItemInfoA" (ByVal hMenu As Long, ByVal uItem As Long, ByVal fByPosition As Long, lpmii As MENUITEMINFO) As Long
Private Declare Function GetSubMenu Lib "user32" (ByVal hMenu As Long, ByVal nPos As Long) As Long

Private Sub SetEnabled(bEnabled As Boolean, hWnd As Long, index As Integer)

    Dim hMenu As Long, hSubMenu As Long, MII As MENUITEMINFO
    'get the handle of the current menu
    hMenu = GetMenu(hWnd)
    'get the handle of the first submenu
    hSubMenu = GetSubMenu(hMenu, index)
    'initialize the structure
   
    MII.cbSize = Len(MII)
   
    MII.fMask = MIIM_STATE 'state mask
    If bEnabled Then
        MII.fState = MFS_ENABLED
    Else
        MII.fState = MFS_GRAYED 'gray menu item
    End If
    SetMenuItemInfo hSubMenu, 0, True, MII
End Sub

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How would you go about disabling the "Save" submenu item?