PLT OF AN SMA SEL LOST CTL OF ACFT DURING LNDG; RESULTING IN A RWY EXCURSION AND HITTING A WINGTIP ON A HANGAR; CAUSING THE ACFT TO SPIN AROUND BREAKING THE L WHEEL OFF AND SWINGING THE ACFT INTO THE HANGAR WHERE IT WAS FINALLY STOPPED. THERE WERE NO INJURIES AND THE DAMAGED ACFT WAS CLASSIFIED AS AN INCIDENT.

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I WAS FLYING INTO PEN YAN ARPT. I CALLED ATC ROCHESTER AND ASKED FOR WINDS AND ACTIVE AND THEY SAID WINDS AT 240 DEGS; 8 KTS. I ASKED FOR RADIO FREQ CHANGE AND IT CHANGED; WENT TO 123.0 PEN YAN UNICOM. I RADIOED IN FOR WINDS AND ACTIVE AND UNICOM REPLIED WINDS OUT OF W 8 KTS; YOUR CHOICE OF RWY. I LANDED ON RWY 28 AND IT HAD A STEEP SLOPE AND I COULD NOT STOP ON THE RWY. I APPLIED FULL BRAKES AND ENG WAS AT IDLE; 20 DEGS FLAPS. YOKE FULL BACK. I RAN OFF END OF RWY AND THE WING OF MY AIRPLANE CLIPPED THE HANGAR AND I SPUN ACFT AROUND BREAKING THE L WHEEL OFF AND ACFT STOPPED IN THE HANGAR. I FEEL I SHOULD HAVE LANDED CLOSER TO THE NUMBERS AND IF I CLOSED MY FLAPS I MIGHT HAVE HAD MORE OF A CHANCE OF STOPPING. I REALLY THOUGHT I COULD STOP THE PLANE BUT IF I KNEW THE SLOPE WAS SO STEEP I WOULD HAVE PUSHED PWR IN AND DID A GAR AND LANDED ON N/S RWY. THIS WAS MY FIRST TIME I HAD EVER LANDED ON A SLOPE; AND NEXT TIME; I WILL TRY TO FIND A RWY WITHOUT A SLOPE. P.S. WITH THE TREES AT THE END OF RWY; I WAS AFRAID I WOULD HAVE NOT BEEN ABLE TO CLR THEM.