To display the List Box of a Combobox automatically, without clicking it, you can use the SENDKEYS (“Key”,[Wait]) function. First, create a VB standard exe project. Then add a combo box. Next, add some items to the List property and a command button. Finally, add the following code:

  Private Sub Combo1_GotFocus()SendKeys "{F4}"End Sub Private Sub Command2_Click()Combo1.SetFocusEnd Sub