I got the same results on VFP6 SP4.

>Could somebody explain the results of the following code:
>
>

>CREATE DATABASE temp
>CREATE TABLE anytable (pkey I PRIMARY KEY)
>SET MULTILOCKS ON
>CURSORSETPROP('Buffering',5)
>
>FOR n = 1 TO 10
>   INSERT INTO anytable (pkey) VALUES (n)
>	
>   IF !INDEXSEEK(n,.F.,'anytable','pkey')	&& same result with .T. or .F. in move record pointer parameter
>      WAIT TRANSFORM(n) WINDOW	&& no record found ???? Why not?
>   ENDIF
>ENDFOR
>
>WAIT 'Now try KEYMATCH' WINDOW
>
>FOR n = 11 TO 20
>   INSERT INTO anytable (pkey) VALUES (n)
>	
>   IF !KEYMATCH(n,TAGNO('pkey'),'anytable')
>      WAIT TRANSFORM(n) WINDOW	&& never executed, because KEYMATCH works fine
>   ENDIF
>ENDFOR
>
>WAIT 'Now try SEEK' WINDOW
>
>FOR n = 21 TO 30
>   INSERT INTO anytable (pkey) VALUES (n)
>	
>   IF !SEEK(n,'anytable','pkey')
>      WAIT TRANSFORM(n) window	&& never executed, because SEEK also works as advertised
>   ENDIF
>ENDFOR
>
>=TABLEREVERT()
>USE IN anytable
>CLOSE DATABASES all
>
>ERASE anytable.dbf
>ERASE anytable.cdx
>
>ERASE temp.dbc
>ERASE temp.dct
>ERASE temp.dcx
>

>
>So INDEXSEEK doesn't work on buffered tables? Doesn't say that in the documentation anywhere that I can find. Makes the function more or less useless, doesn't it?