Private Declare Function GetMenu Lib "user32" (ByVal hWnd As Long) As Long
Private Declare Function GetMenuItemID Lib "user32" (ByVal hMenu As Long, ByVal nPos As Long) As Long
Private Declare Function GetSubMenu Lib "user32" (ByVal hMenu As Long, ByVal nPos As Long) As Long
Private Declare Function ModifyMenu Lib "user32" Alias "ModifyMenuA" (ByVal hMenu As Long, ByVal nPosition As Long, ByVal wFlags As Long, ByVal wIDNewItem As Long, ByVal lpString As Any) As Long
Const MF_BITMAP = 4
Const MF_CHECKED = 8
Private Sub Form_Load()
Dim hMenu As Long, hSubMenu As Long, lngID As Long
hMenu = GetMenu(Me.hWnd)
hSubMenu = GetSubMenu(hMenu, 0)
picBitmaps(0).Picture = picBitmaps(0).Image
lngID = GetMenuItemID(hSubMenu, 0)
Call ModifyMenu(hMenu, lngID, MF_BITMAP, lngID, CLng(picBitmaps(0).Picture))
...
这里的picBitmaps(0)).Picture = picBitmaps(0).Image是怎么回事?