|
Public Declare Function SendMessageLong Lib "user32" Alias "SendMessageA" _
(ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long Public Const CB_SHOWDROPDOWN = &H14F Sub Form_Load() Combo1.Additem "Item 1" Combo1.Additem "Item 2" Combo1.Additem "Item 3" End Sub Private Sub Command1_Click() 'label this button Show List Dim r as Long r = SendMessageLong(Combo1.hWnd, CB_SHOWDROPDOWN, True, 0) End Sub Private Sub Command2_Click() 'label this button Hide List Dim r as Long r = SendMessageLong(Combo1.hWnd, CB_SHOWDROPDOWN, False, 0) End Sub |