Private 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 Private Const CB_SHOWDROPDOWN = &H14F'显示下拉条 Private Sub Command1_Click() Call SendMessageLong(Combo1.hwnd, CB_SHOWDROPDOWN, True, 0) End Sub
要不这样你看行不行添加2个组合框
Normal的在上面
Dropdown list的在下面你需要那个就把哪个提到上面来,只要保持里面内容相同就行这样的代码你应该会写吧
Private 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
Private Const CB_SHOWDROPDOWN = &H14F'显示下拉条
Private Sub Command1_Click()
Call SendMessageLong(Combo1.hwnd, CB_SHOWDROPDOWN, True, 0)
End Sub