>>>>Robert,
>>>>
>>>>Are you trying to allow the user to enter a value in the textbox area of the combobox and if what they typed doesn't already exist in the combobox add it to the combobox choices?
>>>
>>>Colin,
>>>yes - I want to treat the combo like a field.
>>
>>Robert,
>>
>>I've done something similar. The combobox is a list of positions and allows the user to add new values. The code below is in the combobox's .Valid method. The combobox's RowSource is Position.Position and the ControlSource is People.Position.
>>
>>IF NOT SEEK(ALLTRIM(THIS.DisplayValue),"POSITION")
>> mnadd=MESSAGEBOX("Do you wish to add this position type?",4+32+256,;
>> ALLTRIM(THIS.DisplayValue)+" not found")
>> IF mnadd=6
>> INSERT INTO Position (Position) ;
>> VALUES (THIS.DisplayValue)
>> REPLACE People.Position WITH THIS.DisplayValue
>> THISFORM.rtgPageFrame1.Page1.cmbPosition.Requery
>> THISFORM.rtgPageFrame1.Page1.Refresh
>> ELSE
>> THISFORM.rtgPageFrame1.Page1.cmbPosition.DisplayValue=""
>> THISFORM.rtgPageFrame1.Page1.cmbPosition.Value=""
>> THISFORM.rtgPageFrame1.Page1.cmbPosition.SetFocus
>> ENDIF
>>ENDIF
>
>Nice code, but the more common way is check in Combo.Lostfocus
>IF This.DisplayValue!=This.Value && not any rowsource can be SEEK
> **** add new record as you did here
>Endif

I tried this before and it doesn't work. However, your suggestion got me thinking and I came up with a better IF statement. I replaced:

IF NOT SEEK(ALLTRIM(THIS.DisplayValue),"POSITION") with IF THIS.ListIndex=0

Much faster than the SEEK especially as the Position table grows.