PLT OF TWIN TURBO PROP TAKES EVASIVE ACTION BY TURNING AND CLBING TO AVOID ANOTHER ACFT ON SHORT FINAL AT UNCTLED ARPT.

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WHEN IN THE TFC PATTERN ON DOWNWIND TO LAND ON RWY 26. WE HEARD A CESSNA ON FINAL ON THE CTAF. WE DID NOT SEE THE ACFT. WHILE TURNING BASE TO FINAL 3 MI OUT WE HEARD THE SAME CESSNA CALL 'SHORT FINAL.' AGAIN BOTH CREW MEMBERS DID NOT SEE THE AIRPLANE DUE TO HAVING TO LOOK INTO A VERY BRIGHT LATE AFTERNOON SETTING SUN WITH THE CESSNA ON SHORT FINAL WE CONTINUED THE APCH. ON A 1 1/2 MI FINAL THE ARPT FUELER/MGR CALLED US AND SAID THAT WE WERE VERY CLOSE TO THE CESSNA. IN LATER CONVERSATION THE DISTANCE WAS DESCRIBED AS 6 ACFT LENGTHS. (DIFFICULT TO SAY DUE TO ANGLE OF VIEWING; ETC). WE STILL DIDN'T SEE THE CESSNA SO I BEGAN A CLBING L TURN. AFTER DEPARTING THE PATTERN TO THE S SEVERAL (5-6) AIRPLANES BEGAN RPTING POS IN THE PATTERN. I REMEMBERED THE PATTERN ON A R XWIND (R TFC FOR RWY 26) AND LANDED. I ASKED THE ARPT MGR AND TFC TO CHANGE TO RWY 3 TO AVOID THE SUN. HE REPLIED THAT THE WIND (XWIND) WAS TOO GREAT FOR RWY 3. THE WIND WOULD HAVE BEEN 5-8 KTS AND 30-45 DEGS. I BELIEVE THAT THE XWIND CONDITION WOULD HAVE BEEN SAFER THAN THE SUN-IN -YOUR- EYES CONDITION.