This message is sent by an application to select either the default user interface or the extended user interface for a combo box that has the CBS_DROPDOWN or CBS_DROPDOWNLIST style.
At a Glance
| Header file: | Winuser.h |
| Windows CE versions: | 1.0 and later |
Syntax
CB_SETEXTENDEDUI wParam = (WPARAM)(BOOL) fExtended;
lParam = 0;
Parameters
fExtended
Boolean that specifies whether the combo box uses the extended user interface or the default user interface. A value of TRUE selects the extended user interface; a value of FALSE selects the standard user interface.
Return Values
CB_OKAY indicates success. CB_ERR indicates that an error has occurred.
Remarks
By default, the F4 key opens or closes the list and the DOWN ARROW changes the current selection. In the extended user interface, the F4 key is disabled and the DOWN ARROW key opens the drop-down list.
See Also