Question

By default, when I click a Delphi TFilterComboBox it will display only 8 items. To access the rest of them, the user has to scroll down which is such a wast of time. Can I make it display more items (or even all of them)?

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I have found an answer that says: “If you click the combobox in the resource template editor, you can drag its “opened” frame size to fit more items”.
But I don’t know what is this “resource template editor”.

Answer 1

Normally one would like to use its DropDownCount property to set the maximum number of items visible in the dropdown window. But that seems to be hidden here (i.e. it is protected). I guess one can send it a message directly:

SendMessage(FilterComboBox1.Handle, CB_SETMINVISIBLE, 
  WPARAM(YourDropDownCount), 0);