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 Sub Combo1_Change()
r = SendMessageLong(Combo1.hwnd, &H14F, True, 0)
If Combo1.Text = "H" Then
For i = 1 To 10
Combo1.AddItem "货车" & i
Next
End If
If Combo1.Text = "k" Then
For i = 1 To 10
Combo1.AddItem "客车" & i
Next
End If
End Sub