Returns the item from the combo box's pop-up list that matches the text entered by the user.
Original signature is '- (NSString *)comboBoxCell:(NSComboBoxCell *)aComboBoxCell completedString:(NSString *)uncompletedString'
Available in Mac OS X v10.0 and later.

C# | Visual Basic | Visual C++ |
NSString ComboBoxCellCompletedString( NSComboBoxCell aComboBoxCell, NSString uncompletedString )
Function ComboBoxCellCompletedString ( _ aComboBoxCell As NSComboBoxCell, _ uncompletedString As NSString _ ) As NSString
NSString^ ComboBoxCellCompletedString( NSComboBoxCell^ aComboBoxCell, NSString^ uncompletedString )

- aComboBoxCell (NSComboBoxCell)
- The combo box cell.
- uncompletedString (NSString)
- The substring containing the text the user typed into the text field of the combo box cell.

The completed string, from the items in the pop-up list, that matches the text entered by the user. Your implementation should return the first complete string that starts with uncompletedString.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)