If owner-drawing is to be used with the XbpCombobox object, the constant XBPCOMBO_DROPDOWNLIST must be assigned to the :typeinstance variable.
Member variable XbpCombobox():type Foundation
Determines the combo box type.
Attribute: EXPORTED
Data type: Numeric (XBPCOMBO_DROPDOWN)
Description
Three constants are available for the :type instance variable. These constants are defined in the XBP.CH file and are listed in the following table:
Constants for the definition of the type of combo box
| Constant | Description |
|---|---|
| XBPCOMBO_SIMPLE | List box is always dropped down |
| XBPCOMBO_DROPDOWN *) | List box dropped down via a mouse click |
| XBPCOMBO_DROPDOWNLIST | List box dropped down via a mouse click and keyboard input in the entry field is not allowed |
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